{"title":"Inta","description":"\u003cp\u003eInta is a trusted UK manufacturer specialising in water control, pressure management, and temperature regulation solutions for domestic and commercial plumbing systems. Known for precision engineering and consistent quality, the products are widely used in heating, hot water, and potable water installations where safety and compliance are essential.\u003c\/p\u003e\n\n\u003cp\u003eThe brand has built a strong reputation for developing reliable solutions that help protect systems, improve performance, and maintain correct operating conditions. Inta places a strong focus on water safety, offering components designed to control pressure, regulate temperature, and prevent backflow in line with UK building regulations and industry standards.\u003c\/p\u003e\n\n\u003cp\u003eInstaller-friendly design is a key part of it’s approach. Its solutions are engineered for straightforward installation, long-term durability, and dependable operation in demanding environments. This makes Inta a preferred choice for plumbing and heating professionals working on both new installations and system upgrades.\u003c\/p\u003e\n\n\u003cp\u003eThrough ongoing investment in product development and technical expertise, it continues to support modern plumbing systems that prioritise efficiency, protection, and user safety. Its commitment to quality manufacturing and regulatory compliance ensures peace of mind for installers, specifiers, and end users alike.\u003c\/p\u003e\n\n\u003cp\u003eExplore our range of Inta water control and safety solutions for dependable performance, regulatory compliance, and professional-grade system protection.\u003c\/p\u003e","products":[{"product_id":"inta-unvented-group-multibloc-expansion-vessel-connection-22mm-3-bar-prv-6-bar-srv","title":"Unvented Group Multibloc Expansion Vessel Connection 22mm - 3Bar PRV 6Bar SRV","description":"\u003cdiv style=\"color: inherit;\"\u003e\n\u003cdiv style=\"color: inherit;\"\u003e\u003cspan\u003eThis unvented multibloc expansion vessel group set controls pressure for unvented hot water systems mpn UVGS21822210. It includes essential safety components pre-configured for compliant installations, featuring a 3 bar pressure-reducing valve (PRV), 6 bar safety relief valve (SRV), integral check valve, and a cleanable 300-micron stainless steel filter.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"color: inherit;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"color: inherit;\"\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eNon-adjustable 3 bar PRV and 6 bar SRV factory-set for safety\u003c\/li\u003e\n\u003cli\u003eRemovable 300-micron stainless steel mesh filter\u003c\/li\u003e\n\u003cli\u003e3\/4\" expansion vessel connection\u003c\/li\u003e\n\u003cli\u003eIntegrated cold feed connection for balanced pressure\u003c\/li\u003e\n\u003cli\u003eConforms to BS EN 1567 and CPR standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003ePressure-reducing valve (PRV)\u003c\/li\u003e\n\u003cli\u003eSafety relief valve (SRV)\u003c\/li\u003e\n\u003cli\u003eCheck valve (non-return)\u003c\/li\u003e\n\u003cli\u003e300-micron stainless steel filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eConnections: 22mm compression (main), 3\/4\" expansion vessel thread\u003c\/li\u003e\n\u003cli\u003eOperating Pressure: 3 bar (PRV), 6 bar (SRV)\u003c\/li\u003e\n\u003cli\u003eFilter Type: Reusable stainless steel mesh\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eTundish not included (required for regulatory compliance)\u003c\/li\u003e\n\u003cli\u003eMust be installed by a G3-qualified engineer\u003c\/li\u003e\n\u003cli\u003eComplies with UK Building Regulations for unvented systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"color: inherit;\"\u003e\n\u003cstrong\u003eProduct details\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003eConnections: 22 mm\u003c\/li\u003e\n\u003cli\u003eExpansion vessel connection: 22mm\u003c\/li\u003e\n\u003cli\u003ePressure reducing valve factory setting: 3 Bar\u003c\/li\u003e\n\u003cli\u003eSafety relief valve factory setting: 6 Bar\u003c\/li\u003e\n\u003cli\u003eMax. inlet pressure: 16 Bar\u003c\/li\u003e\n\u003cli\u003eMax. working temperature: 80°C\u003c\/li\u003e\n\u003cli\u003eHeight: 110 mm\u003c\/li\u003e\n\u003cli\u003eWidth: 133.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":57822548099421,"sku":"UVGLN","price":53.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/600x600_6d36b8a7-ab85-4c4b-8b90-5a0bf596500f.webp?v=1750947978"},{"product_id":"15-mm-compression-single-check-valve","title":"15 mm Single Compression Check Valve","description":"\u003cp\u003eThe \u003cstrong\u003e15 mm Single Compression Check Valve\u003c\/strong\u003e is a compact, reliable solution for preventing backflow and contamination in domestic plumbing systems. Designed for easy installation, this compression check valve allows water to flow in only one direction, safeguarding potable water supplies and ensuring system compliance.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePrevents backflow and contamination by allowing water to flow in one direction only\u003c\/li\u003e\n\u003cli\u003e15mm compression fittings for quick, secure installation\u003c\/li\u003e\n\u003cli\u003eCompact design—ideal for use in tight spaces and retrofit applications\u003c\/li\u003e\n\u003cli\u003eSuitable for domestic cold and hot water systems\u003c\/li\u003e\n\u003cli\u003eDurable brass body for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eLow maintenance, with no moving parts exposed to the environment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width: 100%; height: 196.938px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 45.9152%; height: 19.5938px;\"\u003eProduct Code\u003c\/th\u003e\n\u003ctd style=\"width: 51.2277%; height: 19.5938px;\"\u003eCVS15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.5938px;\"\u003e\n\u003cth style=\"width: 45.9152%; height: 20.5938px;\"\u003eEAN\u003c\/th\u003e\n\u003ctd style=\"width: 51.2277%; height: 20.5938px;\"\u003e6970472051241\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 45.9152%; height: 19.5938px;\"\u003eConnection Size\u003c\/th\u003e\n\u003ctd style=\"width: 51.2277%; height: 19.5938px;\"\u003e15 mm compression\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 45.9152%; height: 19.5938px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"width: 51.2277%; height: 19.5938px;\"\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 45.9152%; height: 19.5938px;\"\u003eMaximum Working Pressure\u003c\/th\u003e\n\u003ctd style=\"width: 51.2277%; height: 19.5938px;\"\u003e10 bar (typical for brass check valves)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 45.9152%; height: 19.5938px;\"\u003eMaximum Working Temperature\u003c\/th\u003e\n\u003ctd style=\"width: 51.2277%; height: 19.5938px;\"\u003e85°C (typical for domestic brass valves)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 45.9152%; height: 19.5938px;\"\u003eDirection\u003c\/th\u003e\n\u003ctd style=\"width: 51.2277%; height: 19.5938px;\"\u003eOne-way (single check)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 45.9152%; height: 19.5938px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"width: 51.2277%; height: 19.5938px;\"\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 45.9152%; height: 19.5938px;\"\u003eWarranty\u003c\/th\u003e\n\u003ctd style=\"width: 51.2277%; height: 19.5938px;\"\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 45.9152%; height: 19.5938px;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"width: 51.2277%; height: 19.5938px;\"\u003e0.065 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eProtects potable water systems from contamination\u003c\/li\u003e\n\u003cli\u003eEnsures compliance with plumbing regulations\u003c\/li\u003e\n\u003cli\u003eQuick and easy to install—no soldering required\u003c\/li\u003e\n\u003cli\u003eLow-profile design fits in restricted spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDomestic water supply lines\u003c\/li\u003e\n\u003cli\u003eHeating system pipework\u003c\/li\u003e\n\u003cli\u003ePreventing cross-contamination between hot and cold water\u003c\/li\u003e\n\u003cli\u003eAppliance and fixture connections (e.g., washing machines, dishwashers)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eChoose the 15 mm Compression Single Check Valve for reliable, compliant backflow prevention in any domestic plumbing system.\u003c\/p\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":57954160968029,"sku":"CVS15","price":2.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/15mm-single-check-ariston.jpg?v=1751858806"},{"product_id":"inta-1-y-pattern-strainer-with-isolation","title":"1\" Y Pattern Strainer With Isolation","description":"\u003cp\u003eThe \u003cstrong\u003e1\" Y Pattern Strainer with Isolation\u003c\/strong\u003e is designed to protect heat pump and heating system components by filtering out debris and allowing easy isolation for maintenance without draining the system. It safeguards solenoid valves, pumps, and other mechanical equipment from damage caused by particulate contamination.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Type:\u003c\/strong\u003e 1\" Y pattern strainer with integral isolation valve for seamless system protection and easy maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality brass construction for durability and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Filters out debris to prevent disruption and potential damage in heating and heat pump systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Capability:\u003c\/strong\u003e Allows sections of the system to be isolated for servicing without full system drainage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Inline installation with standard 1\" pipe connection size, compatible with common heating system pipework.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Removable strainer element for cleaning to maintain system efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProtects sensitive equipment such as solenoid valves and pumps from damage caused by debris.\u003c\/li\u003e\n\u003cli\u003eFacilitates easy maintenance and servicing with integral isolation.\u003c\/li\u003e\n\u003cli\u003eExtends system life and improves reliability of heat pump and heating systems.\u003c\/li\u003e\n\u003cli\u003eBrass body ensures long-lasting performance under typical heating system conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis 1\" Y Pattern Strainer with Isolation is an essential accessory for heat pump and heating installations, adding protection and ease of maintenance, helping to ensure smooth and reliable operation over the system's lifespan.\u003c\/p\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":58133801238877,"sku":"HZK-0Y-000001F","price":39.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/Joule1YPatternStrainerWithIsolation.jpg?v=1753948160"},{"product_id":"inta-full-bore-ball-valve-1-1-4-bsp-swivel-x-1-bsp-parallel-male-with-flat-face-and-extended-lever","title":"Inta 1-1\/4\" Female Swivel x 1\" Male Flat Face Extended Key Lever Ball Valve — Heat Pump Isolation Valve PN25 HPBV114","description":"\u003cdiv style=\"font-size:16px;font-family:Arial,Helvetica,sans-serif;color:#1a1a1a;max-width:900px;margin:0 auto;line-height:1.6;\"\u003e\n\u003c!-- ── INTRO ─────────────────────────────────────────────────────── --\u003e\u003cp style=\"margin:0 0 18px;\"\u003eThe \u003cstrong\u003eInta HPBV114\u003c\/strong\u003e is a \u003cstrong\u003efull-bore brass ball Pump Isolation Valve with extended key-type lever\u003c\/strong\u003e, designed specifically for isolating heat pump connections. The connection configuration — \u003cstrong\u003e1¼\" BSP female swivel nut × 1\" BSP parallel male flat face\u003c\/strong\u003e — is matched to the flow and return port dimensions of many air source heat pumps including Samsung and Riello, where the unit's own male flat-face threaded stubs are 1\" BSP and the connecting pipework or flexible hose uses a 1¼\" swivel nut. The \u003cstrong\u003eextended stem and key-type lever\u003c\/strong\u003e allow the valve to remain fully operational through insulation — the insulation jacket can be sealed around the body while the key slot on the extended stem remains accessible to open or close the valve without disturbing the thermal insulation. Maximum static inlet pressure \u003cstrong\u003e25 bar (PN25)\u003c\/strong\u003e; working temperature \u003cstrong\u003e–10°C to +90°C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c!-- ── TEAL APPLICATION CALLOUT ─────────────────────────────────── --\u003e\u003cdiv style=\"border-left:4px solid #008377CF;background:#e6f4f3;padding:10px 16px;margin-bottom:22px;border-radius:0 6px 6px 0;\"\u003e\n\u003cstrong\u003eℹ Typical Installation — Heat Pump Connections\u003c\/strong\u003e\u003cbr\u003eThe HPBV114 connects \u003cstrong\u003edirectly onto the heat pump's 1\" male flat-face flow and return ports\u003c\/strong\u003e — the 1¼\" swivel nut engages directly onto the unit port without additional adaptors. An Inta Intaflex flexible hose (28mm compression end) then attaches to the 1\" male flat-face outlet of the ball valve, connecting to the 28mm primary circuit pipework. \u003cstrong\u003eTwo valves are required per heat pump\u003c\/strong\u003e — one on the flow connection and one on the return. This arrangement allows the heat pump to be isolated and removed for servicing without draining the entire primary circuit.\u003c\/div\u003e\n\u003c!-- ── FEATURES GRID ──────────────────────────────────────────────── --\u003e\u003cdiv style=\"background:#008377CF;color:#fff;font-weight:600;font-size:15px;padding:10px 16px;border-radius:6px 6px 0 0;\"\u003eFeatures \u0026amp; Benefits\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:12px;background:#e6f4f3;padding:14px;border-radius:0 0 6px 6px;margin-bottom:22px;\"\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ Extended Key-Type Lever — Operates Through Insulation\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;\"\u003eThe \u003cstrong\u003eextended stem with key-type (fixed slot) adjuster\u003c\/strong\u003e is the defining feature of the HPBV heat pump range. The body of the valve can be fully enclosed in an insulation jacket to comply with Part L heat loss requirements, while the protruding key slot at the top of the extended stem remains exposed. A flat-blade or similar tool engages the slot to open or close the valve without removing or cutting into the insulation — saving time on every service visit and protecting the installation's thermal performance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ Direct Heat Pump Port Connection\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;\"\u003eThe \u003cstrong\u003e1¼\" female swivel nut\u003c\/strong\u003e connects directly onto the \u003cstrong\u003e1\" male flat-face BSP ports\u003c\/strong\u003e found on Samsung (Gen 6+) and Riello heat pump units — no reducer, adaptor, or additional fitting required at the heat pump end. The flat-face (non-tapered) male thread combined with a swivel nut requires a flat washer or bonded seal (usually supplied with the heat pump or flexible hose) for a leak-free connection. The swivel nut allows the valve body to be oriented correctly regardless of access requirements.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ Full Bore — Minimal Pressure Drop\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;\"\u003eThe \u003cstrong\u003efull-bore ball design\u003c\/strong\u003e means the internal diameter of the valve matches the internal bore of the connecting pipework — when fully open, there is no constriction and negligible pressure drop across the valve. This is important for heat pump primary circuits, where the circulating pump must maintain the manufacturer's minimum flow rate through the heat exchanger at all times. A reduced-bore valve would introduce unnecessary resistance into the primary circuit and risk triggering low-flow fault codes.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ PN25 — 25 Bar Rated\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;\"\u003eRated at \u003cstrong\u003ePN25 (25 bar maximum static inlet pressure)\u003c\/strong\u003e — substantially higher than the working pressures in any residential or light commercial heat pump primary circuit (typically 1.5–3 bar). The PN25 rating provides a large safety margin and confirms the valve's suitability for use with glycol-based antifreeze heat transfer fluids at the concentration and temperature ranges used in ASHP installations (working temperature –10°C to +90°C).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ Pairs with Inta Intaflex Hoses\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;\"\u003eThe HPBV114 is designed as part of the Inta heat pump connection system. The valve's \u003cstrong\u003e1\" male flat-face outlet\u003c\/strong\u003e connects directly to Inta Intaflex flexible hoses, which provide the flexible connection between the rigid valve body (mounted on the heat pump) and the 28mm compression pipework of the primary circuit. Using matched Inta components throughout simplifies specification and ensures the connection system functions as designed — particularly important for the warranty status of heat pumps that specify Inta components.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ Solid Brass — Glycol Compatible\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px;\"\u003eThe valve body is \u003cstrong\u003esolid brass construction\u003c\/strong\u003e (CW617N dezincification-resistant brass), compatible with water, water-glycol mixtures, and inhibited heat transfer fluids used in heat pump primary circuits. The ISO 228 thread standard ensures dimensional compatibility with the heat pump's own port threads. Thread sealing is achieved via the flat-face connection with a bonded seal or flat washer — no PTFE tape should be applied to parallel (non-tapered) flat-face threads.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ── SPEC TABLE ─────────────────────────────────────────────────── --\u003e\u003cdiv style=\"background:#008377CF;color:#fff;font-weight:600;font-size:15px;padding:10px 16px;border-radius:6px 6px 0 0;\"\u003eTechnical Specifications\u003c\/div\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin-bottom:8px;font-size:14px;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;width:44%;border-bottom:1px solid #c8e6e3;\"\u003eManufacturer \/ Part No.\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eIntatec (Inta) — \u003cstrong\u003eHPBV114\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eValve Type\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eFull-bore ball valve — extended key-type lever\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eInlet Connection\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e\u003cstrong\u003e1¼\" BSP female swivel nut\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eOutlet Connection\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e\u003cstrong\u003e1\" BSP parallel male flat face\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eThread Standard\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eISO 228\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eMax Inlet Pressure (static)\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e\u003cstrong\u003e25 bar (PN25)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e–10°C to +90°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eTemperature Range (full)\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e–20°C to +120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eBody Material\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eMedia\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eWater; water-glycol heat transfer fluids; inhibited antifreeze solutions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eLever Operation\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eExtended key-type slot — operable through insulation jacket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eCompatible Heat Pumps\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eSamsung, Riello, and other ASHP with 1\" male flat-face BSP ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eCompatible Flexible Hoses\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eInta Intaflex (28mm compression end on hose side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;\"\u003eQuantity per Heat Pump\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;\"\u003e2 (one flow, one return)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:6px 0 0;\"\u003eConnection note: flat-face parallel BSP threads seal via a flat washer or bonded seal. Do not apply PTFE tape to flat-face parallel threads — seal is made at the face, not the thread.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":62422763569501,"sku":"HPBV114","price":29.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/IntaHPBV1141-14FemaleSwivelx1MaleFlatFaceExtendedKeyLeverBallValveHeatPumpIsolationValvePN25.jpg?v=1775819177"},{"product_id":"inta-full-bore-ball-valve-1-bsp-swivel-x-1-bsp-parallel-male-with-flat-face-and-extended-lever","title":"Inta Full Bore Ball Valve - 1\" BSP Swivel x 1\" BSP Parallel Male with Flat Face and Extended Lever","description":"\u003ch3 dir=\"auto\"\u003eInta Full Bore Ball Valve - 1\" BSP Swivel x 1\" BSP Parallel Male with Flat Face and Extended Lever\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eDiscover the dependable Inta full bore ball valve, precision-engineered from robust brass for superior performance in heating systems and heat pumps. This premium brass ball valve boasts a 1\" BSP swivel female connection and 1\" BSP parallel male end with a flat face, delivering secure and effortless fittings. The extended lever facilitates simple operation, even with insulation, reducing heat loss and enabling maintenance without draining the system. Versatile and durable, the detachable lever extension offers adaptability for diverse setups, positioning it as a vital element for efficient plumbing and heating configurations. Boasting excellent corrosion resistance and adherence to BSP standards, this full bore valve excels in rigorous environments, providing enduring reliability for residential and commercial applications. Perfect for those in need of a trustworthy isolation valve that boosts system efficiency and minimises interruptions.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"lg\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-col-size=\"md\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eInta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eType\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eFull Bore Ball Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eSize\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eConnection\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eBSP Female Swivel x BSP Parallel Male with Flat Face\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003ePlated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eHandle\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eExtended Lever\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eHandle Colour\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eLockable\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eFull Bore\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eHeat Pumps and Heating Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eStandards\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eBSP to BS EN ISO 228\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMax. Operating Pressure\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e25 bar (static)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003ePressure Rating\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e15 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e-10°C to 90°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e-20°C to 120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMPN\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eHPBV11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":62422888481117,"sku":"HPBV11","price":27.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/Intahpbvl114ballvalve.webp?v=1775819177"},{"product_id":"inta-pressure-reducing-valve-15-22mm-with-gauge-and-compression","title":"Inta Trade-Tec Pressure Reducing Valve 15-22mm with Gauge","description":"\u003cp dir=\"auto\"\u003eDiscover the robust Inta pressure reducing valve with gauge, engineered for 15mm and 22mm pipes to deliver precise pressure control in domestic and commercial water systems. Crafted from durable DZR brass, this adjustable PRV effectively lowers high inlet pressures from mains or boosted supplies, safeguarding appliances and pipework from damage while promoting water efficiency. Featuring an integrated pressure gauge for easy monitoring and adjustment from 0.5 to 6 bar with a factory pre-set at 3 bar, it ensures consistent performance in hot and cold water applications. WRAS approved and compliant with BS EN 1254-2 standards, this versatile compression-fitting valve includes 15mm reducing inserts for seamless compatibility, along with a serviceable strainer to prevent debris buildup. Ideal for enhancing system reliability, reducing noise, and extending lifespan in plumbing installations, this high-quality isolation component offers straightforward installation in any orientation for maximum flexibility.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"lg\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-col-size=\"md\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eInta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eType\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003ePressure Reducing Valve with Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eSize\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e15-22mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eConnection\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eCompression (with 15mm Reducers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eDZR Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003ePlated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eAdjustable\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eYes (0.5-6 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003ePreset Pressure\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e3 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eLockable\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eHot and Cold Water Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eStandards\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eWRAS Approved, BS EN 1254-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMax. Inlet Pressure\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e16 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMax. Operating Temperature\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eUp to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMPN\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003ePRVG22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eEAN\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e5055143752373\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":62423065690461,"sku":"PRVG22","price":39.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/prv22gIntaPressureReducingValve15-22mmwithGaugeandCompression.webp?v=1761723793"},{"product_id":"inta-intamix-thermostatic-mixing-valve-15mm-and-22mm","title":"Inta Intamix Thermostatic Mixing Valve - 15mm and 22mm","description":"\u003ch3 dir=\"auto\"\u003eInta Intamix Thermostatic Mixing Valve - 15mm and 22mm\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eDiscover the versatile Inta Intamix thermostatic mixing valve, available in 15mm and 22mm sizes, precision-engineered for safe and reliable hot water blending in single outlet applications. This robust chrome-plated TMV2 and TMV3 approved valve delivers precise temperature control from 30°C to 50°C with outstanding stability of ±2°C, effectively preventing scalding while maintaining high flow rates and minimal pressure drops. Ideal for taps, showers, bidets, and other outlets in hospitals, schools, leisure centres, and residential settings, it incorporates integral check valves and strainers for enhanced durability and easy maintenance. Compliant with Building Regulations Part G, WRAS approved, and featuring an anti-tamper proof head for security, this high-performance mixing valve withstands maximum inlet temperatures up to 85°C and static pressures up to 10 bar, ensuring long-term efficiency and safety in demanding plumbing environments.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"lg\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-col-size=\"md\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eInta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eType\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eThermostatic Mixing Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eSize\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e15mm \/ 22mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eConnection\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eCompression\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eChrome Plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eLockable\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eHot Water Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eStandards\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eTMV2, TMV3, WRAS Approved, BS EN 1111, BS EN 1287, BS 7942, NHS D08, Building Regulations Part G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMax. Static Pressure\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e10 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMin. Dynamic Pressure\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e0.2 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMax. Inlet Temperature\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e30°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eTemperature Stability\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e±2°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMax. Pressure Differential\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMin. Failsafe Differential\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMPN\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e40015CP (15mm) \/ 40022CP (22mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eEAN\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e5055743501265 (15mm) \/ 5055143700046 (22mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"15mm","offer_id":62423300211037,"sku":"40015CP","price":57.0,"currency_code":"GBP","in_stock":true},{"title":"22mm","offer_id":62423300243805,"sku":"40022CP","price":63.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/inta15_IntaMix_Thermostatic_Mixing_Valve_TMV2.webp?v=1761724952"},{"product_id":"inta-expansion-vessel-non-return-valve-3-4","title":"Inta Expansion Vessel Non-Return Valve - 3\/4\"","description":"\u003ch3 dir=\"auto\"\u003eInta Expansion Vessel Non-Return Valve - 3\/4\"\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eDiscover the practical Inta expansion vessel non-return valve, designed as a quick-release connection for seamless integration in sealed central heating systems. This robust valve facilitates effortless attachment and detachment of expansion vessels up to 24 litres, incorporating a non-return feature to prevent backflow and ensure system integrity during maintenance. Ideal for space-constrained installations, it supports efficient servicing without draining the system, enhancing reliability in residential and commercial heating setups. Crafted for durability and compliance with industry standards, this essential component minimises downtime, promotes safety, and extends the lifespan of your heating infrastructure.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"lg\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-col-size=\"lg\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eInta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eType\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eNon-Return Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eSize\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eConnection\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e3\/4\" Inlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eSealed Central Heating Systems, Expansion Vessels up to 24L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMPN\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eNRV06680500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":62424304189789,"sku":null,"price":19.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/ExpansionVesselNon-ReturnValve.webp?v=1761732311"},{"product_id":"intatec-18-litre-intafil-plus-sealed-system-kit-wall-mounted-heating-vessel","title":"Intatec 18-Litre, Intafil Plus Sealed System Kit \u0026 Wall Mounted Heating Vessel","description":"\u003cdiv class=\"product-section\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eIntatec 18-Litre, Intafil Plus Sealed System Kit \u0026amp; Wall Mounted Heating Vessel  IFP18\u003c\/strong\u003e is a comprehensive G3-compliant sealed system kit designed for filling and maintaining pressurized heating systems, including an 18-litre expansion vessel, filling loop, and safety valves for safe and efficient operation.\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Intafil Plus kit is a complete solution for sealed heating systems, featuring a wall-mounted 18-litre expansion vessel with bracket for easy installation. It includes a filling loop with double check valve and isolating ball assembly, a ball valve, and a safety relief valve with gauge. Suitable for retrofits and new builds, it provides flexibility in system design and ensures compliance with regulations. Ideal for central heating systems to absorb expansion and maintain pressure, preventing leaks and improving efficiency.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e Includes filling loop, double check valve, isolating ball assembly, ball valve, safety relief valve with gauge, and 18L vessel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall-mounted vessel:\u003c\/strong\u003e Supplied with bracket for secure installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG3 compliant:\u003c\/strong\u003e Meets UK regulations for unvented systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible application:\u003c\/strong\u003e Suitable for retrofits and new build projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCPR compliant:\u003c\/strong\u003e Fully certified for safety and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation:\u003c\/strong\u003e Pre-assembled components reduce setup time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure management:\u003c\/strong\u003e Maintains system pressure to prevent damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e IFP18 – Intafil Plus Sealed System Kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVessel capacity:\u003c\/strong\u003e 18 litres.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum working pressure:\u003c\/strong\u003e 4 bar (vessel pre-charge 1.5 bar).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety relief valve:\u003c\/strong\u003e 3 bar with gauge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e 3\/4\" BSP male (vessel), 15mm compression (valves).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel vessel with EPDM membrane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CPR compliant, CE marked.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDimensions \u0026amp; Weights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVessel diameter:\u003c\/strong\u003e 270 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVessel height:\u003c\/strong\u003e 400 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 8 kg.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSystem \u0026amp; Application Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for sealed central heating systems in homes and small commercial properties.\u003c\/li\u003e\n\u003cli\u003eCompatible with boilers, heat pumps, and underfloor heating.\u003c\/li\u003e\n\u003cli\u003eSuitable for systems up to 180 litres total volume (calculate based on expansion).\u003c\/li\u003e\n\u003cli\u003eInstallation by qualified heating engineers; mount vessel vertically.\u003c\/li\u003e\n\u003cli\u003eSupports system filling and pressure maintenance.\u003c\/li\u003e\n\u003cli\u003eWarranty: Standard manufacturer warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63325491069277,"sku":"IFP18","price":67.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/Intatec18-Litre_IntafilPlusSealedSystemKit_WallMountedHeatingVessel.jpg?v=1770386428"},{"product_id":"intatec-28mm-fill-and-flush-valve","title":"Intatec 28mm Fill and Flush Valve","description":"\u003cdiv class=\"product-section\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eIntatec 28mm Fill and Flush Valve INFAF28\u003c\/strong\u003e is a brass ball valve designed to allow simple and easy filling and flushing of sealed heating systems in one convenient fitting, complete with end caps and compliant with water regulations for safe installation.\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Intatec Fill and Flush Valve is a versatile component for sealed heating systems, enabling efficient filling and flushing without multiple fittings. Made from durable brass, it features 28mm compression connections and comes with end caps for secure closure. It complies with G24.1 and G24.2 of the water regulations, making it suitable for retrofit and new build projects. Supplied with a wall mounting bracket, it provides flexibility in installation orientation and is fully CPR compliant.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient design:\u003c\/strong\u003e Allows filling and flushing in one fitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28mm connections:\u003c\/strong\u003e Compression fittings for easy pipe integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrass construction:\u003c\/strong\u003e Durable and corrosion-resistant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd caps included:\u003c\/strong\u003e For secure sealing when not in use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall mounting bracket:\u003c\/strong\u003e Provides installation flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegulatory compliance:\u003c\/strong\u003e Meets G24.1, G24.2, and CPR standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range:\u003c\/strong\u003e Operates from -5°C to 99°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e INFAF28 – 28mm Fill \u0026amp; Flush Valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e 28mm compression (G3\/4\").\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum operating temperature:\u003c\/strong\u003e 99 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum operating temperature:\u003c\/strong\u003e -5 °C (not in freezing conditions).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e Complies with G24.1 and G24.2 water regulations, CPR compliant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDimensions \u0026amp; Weights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 155 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 680 g.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSystem \u0026amp; Application Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for sealed heating systems in heat pumps, boilers, or underfloor heating.\u003c\/li\u003e\n\u003cli\u003eCompatible with retrofit and new build projects.\u003c\/li\u003e\n\u003cli\u003eSuitable for domestic and light commercial use.\u003c\/li\u003e\n\u003cli\u003eInstallation by qualified plumbers; mount using supplied bracket.\u003c\/li\u003e\n\u003cli\u003eSupports system maintenance with easy filling and flushing.\u003c\/li\u003e\n\u003cli\u003eWarranty: 2 years.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63325711892829,"sku":"INFAF28","price":43.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/INFAF28_Intatecfillandflushvalve28mm.jpg?v=1770387766"},{"product_id":"intatec-22mm-fill-and-flush-valve","title":"Intatec 22mm Fill and Flush Valve","description":"\u003cdiv class=\"product-section\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eIntatec 22mm Fill And Flush Valve (INFAF22)\u003c\/strong\u003e is a brass ball valve designed to allow simple and easy filling and flushing of sealed heating systems in one convenient fitting, complete with end caps and compliant with water regulations for safe installation.\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Intatec Fill and Flush Valve is a versatile component for sealed heating systems, enabling efficient filling and flushing without multiple fittings. Made from durable brass, it features 22mm compression connections and comes with end caps for secure closure. It complies with G24.1 and G24.2 of the water regulations, making it suitable for retrofit and new build projects. Supplied with a wall mounting bracket, it provides flexibility in installation orientation and is fully CPR compliant.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient design:\u003c\/strong\u003e Allows filling and flushing in one fitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e22mm connections:\u003c\/strong\u003e Compression fittings for easy pipe integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrass construction:\u003c\/strong\u003e Durable and corrosion-resistant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd caps included:\u003c\/strong\u003e For secure sealing when not in use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall mounting bracket:\u003c\/strong\u003e Provides installation flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegulatory compliance:\u003c\/strong\u003e Meets G24.1, G24.2, and CPR standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range:\u003c\/strong\u003e Operates from -5°C to 99°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e INFAF22 – 22mm Fill \u0026amp; Flush Valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e 22mm compression (G3\/4\").\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum operating temperature:\u003c\/strong\u003e 99 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum operating temperature:\u003c\/strong\u003e -5 °C (not in freezing conditions).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e Complies with G24.1 and G24.2 water regulations, CPR compliant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDimensions \u0026amp; Weights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 155 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 680 g.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSystem \u0026amp; Application Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for sealed heating systems in heat pumps, boilers, or underfloor heating.\u003c\/li\u003e\n\u003cli\u003eCompatible with retrofit and new build projects.\u003c\/li\u003e\n\u003cli\u003eSuitable for domestic and light commercial use.\u003c\/li\u003e\n\u003cli\u003eInstallation by qualified plumbers; mount using supplied bracket.\u003c\/li\u003e\n\u003cli\u003eSupports system maintenance with easy filling and flushing.\u003c\/li\u003e\n\u003cli\u003eWarranty: 2 years.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63325993337181,"sku":"INFAF22","price":43.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/INFAF28_Intatecfillandflushvalve28mm.jpg?v=1770387766"},{"product_id":"inta-wall-fixing-bracket-wall-mounted-expansion-vessell-arm","title":"Inta Wall Fixing Bracket Wall Mounted Expansion Vessell Arm","description":"\u003cdiv class=\"product-section\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eIntatec Wall Fixing Bracket for Wall Mounted Expansion Vessel Arm\u003c\/strong\u003e is a durable mounting solution designed to securely fix expansion vessels to walls, ensuring stable installation in sealed heating systems, complete with bracket and fixings for easy setup.\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Intatec Wall Fixing Bracket is engineered for mounting expansion vessels in sealed heating systems, providing a secure and space-saving solution. Made from high-quality materials, it supports vessels up to 24 litres and includes necessary fixings for straightforward installation. Ideal for domestic and light commercial applications, it helps maintain system pressure and prevents damage from expansion, compatible with Intatec and similar expansion vessels.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure mounting:\u003c\/strong\u003e Robust bracket for stable vessel fixation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall-mounted design:\u003c\/strong\u003e Saves floor space in boiler rooms or utility areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation:\u003c\/strong\u003e Includes fixings and simple setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible size:\u003c\/strong\u003e Supports expansion vessels up to 24 litres.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e High-quality materials for long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Wall Fixing Bracket for Expansion Vessel Arm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel or similar durable metal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e Up to 24 litre vessels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting type:\u003c\/strong\u003e Wall-mounted with screws.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDimensions \u0026amp; Weights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e Approx. 200 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e Approx. 150 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e Approx. 300 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e ~1 kg.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSystem \u0026amp; Application Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for sealed heating systems with expansion vessels.\u003c\/li\u003e\n\u003cli\u003eCompatible with Intatec and standard expansion vessels.\u003c\/li\u003e\n\u003cli\u003eSuitable for domestic boilers, heat pumps, and underfloor heating.\u003c\/li\u003e\n\u003cli\u003eInstallation by qualified plumbers; secure to solid wall.\u003c\/li\u003e\n\u003cli\u003eSupports system expansion management for safety and efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63326088495453,"sku":"ISG003","price":49.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/IntaSafe-groupWallFixingBracketWallMountedExpansionVessellArm.jpg?v=1770388930"},{"product_id":"mounting-bracket-for-expansion-vessel","title":"Mounting Bracket For Expansion Vessel","description":"\u003cdiv class=\"product-section\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eMounting Bracket For Expansion Vessel\u003c\/strong\u003e is a robust wall-mounting solution designed to securely fix expansion vessels in sealed heating systems, supporting vessels up to 25 litres and including necessary fixings for easy installation.\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe EVBKT is a high-quality mounting bracket for expansion vessels, providing a space-saving and secure way to install vessels in boiler rooms or utility areas. Made from durable materials, it ensures stability and compliance with system requirements. Suitable for domestic and light commercial heating systems, it helps maintain pressure balance and prevents damage from water expansion.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure fixation:\u003c\/strong\u003e Robust design for stable vessel mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall-mounted:\u003c\/strong\u003e Saves floor space in tight installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes fixings:\u003c\/strong\u003e Comes with screws and brackets for complete setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible size:\u003c\/strong\u003e Supports expansion vessels up to 25 litres.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Galvanized or stainless steel for corrosion resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e EVBKT – Expansion Vessel Mounting Bracket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Galvanized steel or stainless steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e Up to 25 litre vessels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting type:\u003c\/strong\u003e Wall-mounted with screws.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDimensions \u0026amp; Weights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 200 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 150 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 300 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1 kg.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSystem \u0026amp; Application Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for sealed heating systems with expansion vessels.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard expansion vessels in boilers and heat pumps.\u003c\/li\u003e\n\u003cli\u003eSuitable for domestic and light commercial use.\u003c\/li\u003e\n\u003cli\u003eInstallation by qualified plumbers; secure to solid wall.\u003c\/li\u003e\n\u003cli\u003eSupports system expansion management for safety and efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63326214193501,"sku":"EVBKT","price":7.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/EVBKTMountingBracketForExpansionVessel.webp?v=1770389764"},{"product_id":"intatec-28mm-flow-balancing-valve-with-fill-flush-10-50l","title":"Intatec 28mm Heat Pump Flow Balancing Valve with Fill \u0026 Flush 10-50L","description":"\u003cdiv class=\"product-section\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eIntatec 28mm Flow Balancing Valve with Fill \u0026amp; Flush 10-50L \u003c\/strong\u003eis a bi-directional ball valve designed to regulate water flow in heat pump systems, featuring fill and flush ports for easy servicing and a clear window for precise flow rate adjustment.\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Intatec INFBV2850 Flow Balancing Valve is engineered to control fluctuating upstream water flow in heat pump systems, ensuring optimal performance. It includes G 3\/4\" fill and flush connections with retained sealing caps for convenient system maintenance. The valve supports water and up to 50% glycol solutions, with 28mm compression connections according to EN1254-2. A clear window allows easy adjustment of the flow rate, making it ideal for domestic and commercial heating applications.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBi-directional ball valve:\u003c\/strong\u003e Stops water flow and allows access to fill and flush ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFill \u0026amp; flush connections:\u003c\/strong\u003e G 3\/4\" with retained sealing caps for servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow adjustment:\u003c\/strong\u003e Clear window for easy and precise flow rate setting (10-50 L\/min).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28mm compression connections:\u003c\/strong\u003e Compliant with EN1254-2 for secure fitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid compatibility:\u003c\/strong\u003e Suitable for water and up to 50% glycol solutions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh pressure rating:\u003c\/strong\u003e Maximum operating pressure of 10 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e INFBV2850 – 28mm Flow Balancing Valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e 28mm compression (EN1254-2).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFill \u0026amp; flush ports:\u003c\/strong\u003e G 3\/4\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow range:\u003c\/strong\u003e 10-50 L\/min.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum operating pressure:\u003c\/strong\u003e 10 bar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid:\u003c\/strong\u003e Water or water-glycol mixtures (up to 50%).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDimensions \u0026amp; Weights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 155 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 680 g.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSystem \u0026amp; Application Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for heat pump systems to regulate and balance water flow.\u003c\/li\u003e\n\u003cli\u003eCompatible with domestic and commercial heating installations.\u003c\/li\u003e\n\u003cli\u003eSuitable for systems requiring fill and flush access.\u003c\/li\u003e\n\u003cli\u003eInstallation by qualified plumbers; secure connections to prevent leaks.\u003c\/li\u003e\n\u003cli\u003eSupports system maintenance with integrated ports.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63326704075101,"sku":"INFBV2850","price":59.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/hpfbv2850ffIntatec28mmFlowBalancingValvewithFill_Flush10-50L.webp?v=1770392419"},{"product_id":"intatec-28mm-flow-balancing-valve-5-40ltr","title":"Intatec 28mm Flow Balancing Valve 5-40LTR","description":"\u003cdiv class=\"product-section\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eIntatec 28mm Flow Balancing Valve 5-40LTR\u003c\/strong\u003e is a bi-directional ball valve designed to regulate fluctuating upstream water flow in heat pump systems, featuring fill and flush ports with retained sealing caps for convenient servicing and 28mm compression connections.\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Intatec INFSV2840 Flow Balancing Valve controls water flow to ensure optimal performance in heat pump systems, maximizing heat collection in cylinders. It includes an integral ball valve for isolation and G 3\/4\" fill and flush connections for easy system maintenance. Suitable for water and up to 50% glycol solutions, it offers precise flow adjustment through a clear window, making it ideal for domestic and commercial heating applications.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBi-directional ball valve:\u003c\/strong\u003e Stops water flow and allows access to fill and flush ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFill \u0026amp; flush connections:\u003c\/strong\u003e G 3\/4\" with retained sealing caps for servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow adjustment:\u003c\/strong\u003e Clear window for easy and precise flow rate setting (5-40 L\/min).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28mm compression connections:\u003c\/strong\u003e Compliant with EN1254-2 for secure fitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid compatibility:\u003c\/strong\u003e Suitable for water and up to 50% glycol solutions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh pressure rating:\u003c\/strong\u003e Maximum operating pressure of 10 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e INFSV2840 – 28mm Flow Balancing Valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e 28mm compression (EN1254-2).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFill \u0026amp; flush ports:\u003c\/strong\u003e G 3\/4\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow range:\u003c\/strong\u003e 5-40 L\/min.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum operating pressure:\u003c\/strong\u003e 10 bar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid:\u003c\/strong\u003e Water or water-glycol mixtures (up to 50%).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDimensions \u0026amp; Weights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 155 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 680 g.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSystem \u0026amp; Application Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for heat pump systems to regulate and balance water flow.\u003c\/li\u003e\n\u003cli\u003eCompatible with domestic and commercial heating installations.\u003c\/li\u003e\n\u003cli\u003eSuitable for systems requiring fill and flush access.\u003c\/li\u003e\n\u003cli\u003eInstallation by qualified plumbers; secure connections to prevent leaks.\u003c\/li\u003e\n\u003cli\u003eSupports system maintenance with integrated ports.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63326769152349,"sku":"INFSV2840","price":53.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/Intatec28mmHeatPumpFlowBalancingValvewithFill_Flush10-50L.png?v=1770392419"},{"product_id":"intatec-28mm-flow-meter-balancing-valve","title":"Intatec 28mm Flow Meter Balancing Valve","description":"\u003cdiv class=\"product-section\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eIntatec 28mm Flow Meter Balancing Valve (MPN: INFBV28)\u003c\/strong\u003e is a bi-directional brass valve designed to measure and balance water flow in heating systems, featuring an integrated flow meter for precise adjustment and 28mm compression connections for easy installation.\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Intatec INFBV28 is a flow meter balancing valve suitable for central heating and underfloor heating systems, allowing accurate measurement and regulation of water flow rates. It includes a visual flow indicator for easy commissioning and maintenance, ensuring optimal system performance and energy efficiency. The valve is ideal for balancing circuits in boilers, heat pumps, and manifold systems, with a robust brass body for durability.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated flow meter:\u003c\/strong\u003e Visual indicator for precise flow measurement and adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBi-directional:\u003c\/strong\u003e Suitable for flow in either direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28mm compression connections:\u003c\/strong\u003e Quick and secure fitting to copper pipes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrass construction:\u003c\/strong\u003e Corrosion-resistant for long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow range:\u003c\/strong\u003e Adjustable for various system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy commissioning:\u003c\/strong\u003e Simplifies balancing and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e INFBV28 – 28mm Flow Meter Balancing Valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e 28mm compression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum pressure:\u003c\/strong\u003e 10 bar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e -5°C to 99°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow measurement:\u003c\/strong\u003e Integrated meter for accuracy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDimensions \u0026amp; Weights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 155 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 680 g.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSystem \u0026amp; Application Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for balancing flow in central heating, underfloor heating, and heat pump systems.\u003c\/li\u003e\n\u003cli\u003eCompatible with domestic and light commercial installations.\u003c\/li\u003e\n\u003cli\u003eSuitable for systems requiring precise flow regulation.\u003c\/li\u003e\n\u003cli\u003eInstallation by qualified plumbers; adjust flow using integrated meter.\u003c\/li\u003e\n\u003cli\u003eSupports efficient system performance and energy savings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63326937514333,"sku":"INFBV28","price":69.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/hpfbv2850ffIntatec28mmFlowBalancingValvewithFill_Flush10-50L.webp?v=1770392419"},{"product_id":"intatec-28mm-zero-heat-pump-anti-freeze-valve","title":"Intatec 28mm Zero Heat Pump Anti-Freeze Valve","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #1a1a1a; max-width: 900px; line-height: 1.7;\"\u003e\n\u003c!-- Header bar --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 14px 20px; border-radius: 4px; margin-bottom: 24px;\"\u003e\n\u003cp style=\"margin: 4px 0 0; font-size: 11px; opacity: 0.7;\"\u003e28mm Compression — Water-Sensing Thermostatic Anti-Freeze Valve — Part L Compliant\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Intro --\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe \u003cstrong\u003eIntatec ZERO28\u003c\/strong\u003e is a patented water-sensing thermostatic anti-freeze valve engineered to protect air source heat pump systems from freeze damage. Unlike ambient air-sensing valves, the Zero's wax thermostatic element sits directly in the water flow — it reacts to the actual system water temperature, not the surrounding air temperature. This means it operates correctly when fully insulated, in compliance with Building Regulations Part L, which requires all external heat pump pipework and fittings to be fully insulated and sealed.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe valve discharges when the water temperature drops to 3°C and closes again at 4°C, draining just enough water to prevent ice formation without unnecessary water loss. Sold individually; Inta recommend fitting one valve on both the flow and return pipework.\u003c\/p\u003e\n\u003c!-- Badge strip --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0;\"\u003e\n\u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eMPN: ZERO28\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eOpens at 3°C\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePart L Compliant\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eWater-Sensing Element\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eR290 Compatible\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePatented Design\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Connection callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 18px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eConnection note:\u003c\/strong\u003e Direct 28mm compression connection — suits 28mm copper or plastic pipework. Commonly paired with HPBV28 ball valve on the heat pump port.\u003c\/div\u003e\n\u003c!-- Size note callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eWhen to choose the ZERO28:\u003c\/strong\u003e Most common choice for domestic ASHP systems on 28mm pipework circuits.\u003c\/div\u003e\n\u003c!-- Independently tested performance --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eIndependently Tested Insulation Performance\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eInta independently tested the Zero valves at a controlled ambient temperature of -1°C to +1°C with a starting water temperature of 10°C:\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px; text-align: center;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eWithout Insulation\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eDischarge temperature: \u003cstrong\u003e2.49°C\u003c\/strong\u003e\u003cbr\u003eTime to discharge: \u003cstrong\u003e1 hour 4 minutes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; border-radius: 6px; padding: 14px 16px; text-align: center; color: #fff;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; font-size: 14px;\"\u003eWith Insulation ✓\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eDischarge temperature: \u003cstrong\u003e2.03°C\u003c\/strong\u003e\u003cbr\u003eTime to discharge: \u003cstrong\u003e4 hours 3 minutes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 13px; color: #555; margin-bottom: 24px;\"\u003eInsulation delays discharge (giving more time for the system to respond) and results in a slightly lower discharge temperature — confirming the valve functions correctly and reliably when fully insulated.\u003c\/p\u003e\n\u003c!-- Technical specifications --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMPN \/ Product code\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eZERO28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInlet connection\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e28mm compression (inlet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOutlet \/ discharge\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eDischarge port — vertical downward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eKv value\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e64 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMax inlet pressure (static)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e10 Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMin inlet pressure\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e0.5 Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOpening temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e3°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eClosing temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e4°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e±1°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eWorking temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e0°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eAmbient temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e-30°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMax discharge flow rate @ 3 Bar\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1.5 L\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMedium\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eWater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e76mm (body height)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eThread standard\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBS EN ISO 228\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eValve body material\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBrass — BS EN 12165 CW617N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eSpring\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eTemperature element\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eWax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInternal seals\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eEPDM peroxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInternal parts\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBrass — BS EN 12164 CW617N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eR290 refrigerant compatible\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eIntatec Ltd, Hixon, Staffordshire ST18 0PF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- Key features grid --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eWater-sensing — not air-sensing\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe wax thermostatic element sits directly in the water flow. The valve responds to actual system water temperature — not ambient air — so it operates accurately regardless of weather conditions, wind chill, or the insulation layer around the valve body.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eFully insulatable — Part L compliant\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eBuilding Regulations Part L requires all external ASHP fittings to be fully insulated. Because the Zero element sits in the water (not the air), the valve can be completely encased in insulation and sealed — maintaining system efficiency while still discharging reliably at 3°C.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eDebris-resistant cartridge design\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eA protective ring around the thermostatic cartridge prevents system debris from settling into the operating mechanism. Double O-rings with reduced-friction surface treatment ensure correct valve operation and reliable sealing even after extended periods without activation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eVacuum breaker with ZEROGUARD option\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe built-in vacuum breaker prevents backflow contamination and must remain clear at all times. The optional ZEROGUARD cover (sold separately or as part of a ZG bundle) fits over the vacuum breaker, protecting it from debris, insects, and the elements while allowing air flow and annual inspection without disturbing the insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eChamfered discharge edge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe discharge outlet has a chamfered edge that prevents water droplets forming and freezing at the tip — a subtle but important design detail that maintains free discharge even in sub-zero ambient temperatures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eServiceable thermostatic cartridge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe thermostatic cartridge and vacuum breaker are both replaceable in the field using standard spanners (26mm A\/F for cartridge, 20mm A\/F for vacuum breaker), without removing the valve body from the pipework. Replacement parts available from Intatec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Installation requirements --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eInstallation Requirements\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eThe Zero valve must be installed \u003cstrong\u003eoutdoors, vertically, with the discharge port facing directly downward\u003c\/strong\u003e — never horizontal or inverted. Install as close to the heat pump as possible, on both flow and return pipes. Minimum 150mm clearance between the discharge port and the ground to prevent discharged water refreezing and blocking the outlet. If installing two valves on adjacent pipes, leave at least 100mm between them so discharge from the upper valve cannot fall onto the lower valve.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px;\"\u003eFlush all pipework thoroughly before installation. Do not allow debris, PTFE tape, or metal particles to enter the valve. Avoid installing near heat sources (boilers, flues) which could interfere with the thermostatic element. Avoid any upstream elbow that creates a water trap below the valve, which would prevent complete drainage.\u003c\/p\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 14px 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eCritical insulation warning:\u003c\/strong\u003e If the ZERO28 is insulated, \u003cem\u003eall\u003c\/em\u003e external pipework and fittings on the circuit must also be fully insulated and sealed. Partial insulation creates cold spots that can freeze even if the valve itself operates correctly. The anti-vacuum valve (vacuum breaker) must remain clear at all times — use ZEROGUARD to protect it. Inspect insulation and re-seal all joints annually.\u003c\/div\u003e\n\u003c!-- Compatible accessories table --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eCompatible Accessories (Intatec)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eCode\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZEROGUARD\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eAnti-vacuum valve protector — two-part push-fit cover for the vacuum breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULZERO28\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003ePre-formed insulation jacket for 28mm \/ 1\" Zero valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULZERO28SW\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULBOND\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e290ml Bond \u0026amp; Seal — for sealing insulation joints around the valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZERO28ZG\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eZERO28 pre-bundled with ZEROGUARD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eHPBV28\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eHeat pump extended key ball valve 28mm — installs upstream\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- FAQ --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eHow many ZERO28 valves do I need?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eInta recommend fitting one valve on both the flow and return pipework — so a standard heat pump installation requires two ZERO28 valves. The valve is sold individually; order two for a complete installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eDoes the ZERO28 need to be insulated?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eBuilding Regulations Part L requires all external heat pump pipework and fittings to be fully insulated. Use the INSULZERO28 pre-formed insulation jacket (sold separately) with INSULBOND 290ml Bond \u0026amp; Seal to fully encapsulate the valve. Only the ZEROGUARD-protected vacuum breaker and the discharge port tip should remain exposed. Insulation must be inspected and resealed annually.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhy does the ZERO28 have a ZEROGUARD version (ZERO28ZG)?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe ZERO28ZG is simply the ZERO28 supplied pre-paired with a ZEROGUARD vacuum breaker cover. Inta recommend always using a ZEROGUARD, so the ZG bundle saves a separate order and ensures the correct cover is to hand at installation. The cover can also be purchased separately if you already have the valve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhat does the vacuum breaker do and can it be serviced?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe vacuum breaker (anti-vacuum valve) prevents a negative pressure siphon from drawing contaminated water back into the system after discharge. It must remain clear and unobstructed at all times. It can be removed for inspection or replacement using a 20mm A\/F spanner — without removing the valve body from the pipework. The plastic vacuum cap should fall free when the body is inverted; if it does not, the vacuum breaker needs replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eCan the thermostatic cartridge be replaced on site?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eYes — using a 26mm A\/F spanner to unscrew the cartridge from the valve body. Only fit genuine Inta replacement cartridges. If the valve keeps discharging without the water temperature dropping to 3°C, check that the valve is not located near a heat source, that the vacuum breaker is not blocked, and that insulation has not been applied incorrectly. If the fault persists, replace the cartridge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Warning box --\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eDo not install indoors, horizontally, or inverted.\u003c\/strong\u003e The ZERO28 must be installed outdoors, vertically, discharge pointing down. Indoor installation prevents the valve from operating when the heat pump stops — the water inside will not cool to 3°C as quickly indoors. Installing horizontally or inverted prevents discharged water from draining freely and can cause the discharge port to freeze.\u003c\/div\u003e\n\u003c!-- Related products footer --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 16px 20px; border-radius: 4px; margin-top: 32px; font-size: 14px; line-height: 1.9;\"\u003e\n\u003cstrong\u003eRelated Products:\u003c\/strong\u003e\u003cbr\u003eIntatec ZERO35 Anti-Freeze Valve 35mm companion valve for larger systems | Intatec ZEROGUARD Anti-Vacuum Valve Protector | INSULZERO28 Insulation Jacket | INSULBOND 290ml Bond \u0026amp; Seal | Intatec HPBV28 Heat Pump Ball Valve | Intatec IntaKlean HP Magnetic Filter\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63327003607389,"sku":"ZERO28","price":89.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/hpzero28Intatec28mmZeroAnti-FreezeValve.webp?v=1770393431"},{"product_id":"intatec-2-pack-750mm-pre-insulated-hoses-1-female-x-28mm","title":"Intatec 2 Pack 750mm Pre Insulated Hoses 1\" Female X 28mm","description":"\u003cdiv class=\"product-section\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eIntatec 2 Pack 750mm Pre Insulated Hoses 1\" Female X 28mm HPHOSE750\u003c\/strong\u003e is a set of two pre-insulated flexible hoses designed for connecting heat pumps and cylinders, featuring straight 1\" female connections and 28mm insulation for efficient thermal performance and easy installation.\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Intatec HPHOSE750 hoses are pre-insulated with 28mm closed-cell polyethylene foam, providing excellent thermal insulation to minimize heat loss in heat pump systems. The 750mm length offers flexibility in installation, while the 1\" female ends ensure secure connections. Suitable for both heating and cooling applications, these hoses are ideal for linking outdoor heat pump units to indoor cylinders or manifolds, reducing installation time and improving system efficiency.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-insulated:\u003c\/strong\u003e 28mm closed-cell foam for superior thermal efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible design:\u003c\/strong\u003e Corrugated stainless steel core for bendability without kinking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" female connections:\u003c\/strong\u003e Secure and easy fitting to heat pumps and cylinders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 pack:\u003c\/strong\u003e Convenient for supply and return lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 750mm for versatile installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh temperature rating:\u003c\/strong\u003e Suitable for water up to 95°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure resistant:\u003c\/strong\u003e Max working pressure 10 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HPHOSE750 – Pre Insulated Hoses 750mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e 1\" female x 1\" female (straight).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation thickness:\u003c\/strong\u003e 28 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore material:\u003c\/strong\u003e Corrugated stainless steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum temperature:\u003c\/strong\u003e 95 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum pressure:\u003c\/strong\u003e 10 bar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid:\u003c\/strong\u003e Water or water-glycol mixtures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDimensions \u0026amp; Weights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 750 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter (outer):\u003c\/strong\u003e Approx. 60 mm (with insulation).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (per hose):\u003c\/strong\u003e ~1.5 kg.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSystem \u0026amp; Application Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for heat pump connections between outdoor units and indoor cylinders.\u003c\/li\u003e\n\u003cli\u003eCompatible with domestic and light commercial heating systems.\u003c\/li\u003e\n\u003cli\u003eSuitable for supply and return lines in insulated setups.\u003c\/li\u003e\n\u003cli\u003eInstallation by qualified plumbers; secure connections to prevent leaks.\u003c\/li\u003e\n\u003cli\u003eSupports efficient thermal performance in renewable systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63327585304925,"sku":"HPHOSE750","price":105.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/Intatec2Pack750mmPreInsulatedHoses1FemaleX28mm.jpg?v=1770397376"},{"product_id":"intatec-2-pack-750mm-pre-insulated-hoses-1-female-bent-x-28mm","title":"Intatec 2 Pack 750mm Pre Insulated Hoses 1\" Female Bent X 28mm","description":"\u003cdiv class=\"product-section\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eIntatec 2 Pack 750mm Pre Insulated Hoses 1\" Female Bent X 28mm HPHOSE750B\u003c\/strong\u003e is a set of two pre-insulated flexible hoses designed for connecting heat pumps and cylinders, featuring 1\" female bent connections and 28mm insulation for efficient thermal performance and easy installation.\u003c\/p\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Intatec HPHOSE750B hoses are pre-insulated with 28mm closed-cell polyethylene foam, providing excellent thermal insulation to minimize heat loss in heat pump systems. The 750mm length offers flexibility in installation, while the 1\" female bent ends ensure secure connections. Suitable for both heating and cooling applications, these hoses are ideal for linking outdoor heat pump units to indoor cylinders or manifolds, reducing installation time and improving system efficiency.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-insulated:\u003c\/strong\u003e 28mm closed-cell foam for superior thermal efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible design:\u003c\/strong\u003e Corrugated stainless steel core for bendability without kinking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\" female bent connections:\u003c\/strong\u003e Secure and easy fitting to heat pumps and cylinders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 pack:\u003c\/strong\u003e Convenient for supply and return lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 750mm for versatile installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh temperature rating:\u003c\/strong\u003e Suitable for water up to 95°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure resistant:\u003c\/strong\u003e Max working pressure 10 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HPHOSE750B – Pre Insulated Hoses 750mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e 1\" female bent x 1\" female bent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation thickness:\u003c\/strong\u003e 28 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore material:\u003c\/strong\u003e Corrugated stainless steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum temperature:\u003c\/strong\u003e 95 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum pressure:\u003c\/strong\u003e 10 bar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid:\u003c\/strong\u003e Water or water-glycol mixtures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDimensions \u0026amp; Weights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 750 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter (outer):\u003c\/strong\u003e Approx. 60 mm (with insulation).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (per hose):\u003c\/strong\u003e ~1.5 kg.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSystem \u0026amp; Application Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for heat pump connections between outdoor units and indoor cylinders.\u003c\/li\u003e\n\u003cli\u003eCompatible with domestic and light commercial heating systems.\u003c\/li\u003e\n\u003cli\u003eSuitable for supply and return lines in insulated setups.\u003c\/li\u003e\n\u003cli\u003eInstallation by qualified plumbers; secure connections to prevent leaks.\u003c\/li\u003e\n\u003cli\u003eSupports efficient thermal performance in renewable systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63328190955869,"sku":"HPHOSE750B","price":107.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/inta-inta-2-pack-750mm-pre-insulated-hoses-1-female-swivel-elbow-x-28mm-hphose750b.jpg?v=1770397278"},{"product_id":"intatec-28mm-straight-by-pass-valve","title":"Inta Heat Pump Automatic Differential Bypass Valve 28mm — ABPS28CP Straight ABPA28CP Angled — Compression Fittings","description":"\u003cdiv style=\"font-size:16px;font-family:Arial,Helvetica,sans-serif;color:#1a1a1a;max-width:900px;margin:0 auto;line-height:1.6;\"\u003e\n\n  \u003c!-- ── INTRO ─────────────────────────────────────────────────────── --\u003e\n  \u003cp style=\"margin:0 0 18px;\"\u003e\n    The \u003cstrong\u003eInta 28mm Automatic Differential Bypass Valve\u003c\/strong\u003e is a \u003cstrong\u003emanually adjustable differential-pressure bypass valve for 28mm heating and heat pump pipework\u003c\/strong\u003e, available in two configurations: \u003cstrong\u003eABPS28CP (straight)\u003c\/strong\u003e for in-line installation on a bypass spur, and \u003cstrong\u003eABPA28CP (angled)\u003c\/strong\u003e for fitting at a 90° corner between parallel flow and return connections. Designed by Intatec specifically for heat pump systems that use 28mm primary pipework, these valves stabilise circulation, maintain the required minimum flow rate through the heat pump, and protect the pump from running against a closed head when zone valves or TRVs shut down. The \u003cstrong\u003evisual adjustment dial sets the bypass opening differential pressure from 0.1 to 0.5 bar\u003c\/strong\u003e — matched to the system's pump curve and the heat pump manufacturer's minimum flow specification. Maximum working pressure \u003cstrong\u003e10 bar\u003c\/strong\u003e, maximum temperature \u003cstrong\u003e100°C\u003c\/strong\u003e, flow capacity \u003cstrong\u003e1 to 5 m³\/h\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003c!-- ── AMBER VARIANT CALLOUT ─────────────────────────────────────── --\u003e\n  \u003cdiv style=\"border-left:4px solid #f59e0b;background:#fff8e1;padding:10px 16px;margin-bottom:22px;border-radius:0 6px 6px 0;\"\u003e\n    \u003cstrong style=\"color:#b45309;\"\u003e⚡ ABPS28CP vs ABPA28CP — Which configuration?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eABPS28CP (straight):\u003c\/strong\u003e Inlet and outlet are in-line — fits on a short straight bypass spur connecting two parallel sections of 28mm flow and return pipework. The most compact installation where flow and return run alongside each other.\u003cbr\u003e\n    \u003cstrong\u003eABPA28CP (angled):\u003c\/strong\u003e Inlet and outlet at 90° — fits directly at a corner between 28mm flow and return pipework without additional bends or offsets. Most commonly used adjacent to the heat pump or in airing cupboard installations where flow and return enter from different wall faces.\u003cbr\u003e\n    Both variants are functionally identical — the choice is determined entirely by the pipework layout at the installation point.\n  \u003c\/div\u003e\n\n  \u003c!-- ── TEAL HEAT PUMP NOTE ───────────────────────────────────────── --\u003e\n  \u003cdiv style=\"border-left:4px solid #008377CF;background:#e6f4f3;padding:10px 16px;margin-bottom:22px;border-radius:0 6px 6px 0;\"\u003e\n    \u003cstrong style=\"color:#005c54;\"\u003eℹ Why 28mm? Heat pump systems require larger pipework\u003c\/strong\u003e\u003cbr\u003e\n    Air source heat pump systems operate at lower flow temperatures and higher flow rates than gas boilers — achieving the same heat output requires moving significantly more water. For this reason, heat pump primary circuits are typically designed in \u003cstrong\u003e28mm rather than 22mm pipework\u003c\/strong\u003e to minimise pressure drop and ensure the pump can deliver the manufacturer's minimum required flow rate. The ABPS28CP \/ ABPA28CP are the correct bypass valves for these 28mm primary circuits; using a 22mm bypass valve with reducing adaptors would create unnecessary restriction and pressure drop.\n  \u003c\/div\u003e\n\n  \u003c!-- ── FEATURES GRID ──────────────────────────────────────────────── --\u003e\n  \u003cdiv style=\"background:#008377CF;color:#fff;font-weight:600;font-size:15px;padding:10px 16px;border-radius:6px 6px 0 0;\"\u003e\n    Features \u0026amp; Benefits\n  \u003c\/div\u003e\n  \u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:12px;background:#e6f4f3;padding:14px;border-radius:0 0 6px 6px;margin-bottom:22px;\"\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ Adjustable 0.1–0.5 Bar — Visual Dial\u003c\/div\u003e\n      \u003cdiv style=\"font-size:14px;\"\u003eThe bypass opening pressure is set via a \u003cstrong\u003evisual dial on the valve body\u003c\/strong\u003e, adjustable from 0.1 to 0.5 bar differential pressure. This allows the installer to calibrate the bypass precisely to the heat pump's pump operating curve and the manufacturer's stated minimum flow requirement. A setting of 0.2–0.3 bar is typical for most domestic heat pump systems; the correct value should be confirmed against the pump curve and system hydraulic calculations at commissioning.\u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ Protects the Heat Pump — Minimum Flow Maintained\u003c\/div\u003e\n      \u003cdiv style=\"font-size:14px;\"\u003eHeat pump manufacturers specify a \u003cstrong\u003eminimum flow rate through the heat exchanger\u003c\/strong\u003e at all times — if flow falls below this threshold, the heat pump triggers a fault, goes into low-flow protection mode, or reduces output. When zone valves close down or UFH circuits limit flow, the bypass opens to maintain circulation. This is particularly important in multi-zone heat pump installations where individual zones can be off while others are calling — the bypass ensures the heat pump circuit always has adequate flow.\u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ Protects the Circulation Pump\u003c\/div\u003e\n      \u003cdiv style=\"font-size:14px;\"\u003eWithout a bypass, a circulation pump running against a closed or near-closed system creates a condition known as \u003cstrong\u003eclosed-head pumping\u003c\/strong\u003e — the pump circulates in a tight loop with minimal flow, overheating the motor, and creating high differential pressure that stresses pipework joints and heat exchanger plates. The bypass valve prevents this by providing an alternative flow path as soon as the differential pressure reaches the set point.\u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ 1–5 m³\/h Flow Capacity\u003c\/div\u003e\n      \u003cdiv style=\"font-size:14px;\"\u003eA flow capacity range of \u003cstrong\u003e1 to 5 m³\/h (approximately 17–83 litres\/minute)\u003c\/strong\u003e covers the full range of domestic heat pump primary circuit flow rates — from a modest 3–5 kW micro-system to a 16 kW multi-zone installation running at maximum duty. The 28mm bore ensures low resistance even at higher flow rates.\u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ 28mm Compression — No Specialist Tooling\u003c\/div\u003e\n      \u003cdiv style=\"font-size:14px;\"\u003eStandard \u003cstrong\u003e28mm compression fittings\u003c\/strong\u003e connect directly to copper tube without soldering or specialist tools — appropriate for retrofit on existing 28mm pipework or new installations. The compression connections also allow the valve to be removed for replacement without cutting the pipework, simplifying future servicing.\u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ Reduces System Noise from Zone Valves\u003c\/div\u003e\n      \u003cdiv style=\"font-size:14px;\"\u003eAs UFH circuits and zone valves close down during a heat pump heating cycle, increasing flow restriction can cause \u003cstrong\u003epipework noise and pump whine\u003c\/strong\u003e. The bypass valve opens progressively to maintain a stable system pressure and prevents the pressure surges that propagate as noise through 28mm pipework runs. This is particularly noticeable in open-plan properties where pipework passes through habitable areas.\u003c\/div\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- ── SPEC TABLE ─────────────────────────────────────────────────── --\u003e\n  \u003cdiv style=\"background:#008377CF;color:#fff;font-weight:600;font-size:15px;padding:10px 16px;border-radius:6px 6px 0 0;\"\u003e\n    Technical Specifications\n  \u003c\/div\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;margin-bottom:8px;font-size:14px;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;width:44%;border-bottom:1px solid #c8e6e3;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eIntatec (Inta)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003ePart Numbers\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e\n\u003cstrong\u003eABPS28CP\u003c\/strong\u003e (straight) \/ \u003cstrong\u003eABPA28CP\u003c\/strong\u003e (angled)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eConnection Size\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e28mm compression\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eConfiguration\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eABPS28CP: straight (in-line) · ABPA28CP: angled (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eDifferential Pressure Range\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e\n\u003cstrong\u003e0.1 – 0.5 bar\u003c\/strong\u003e (adjustable via visual dial)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eFlow Capacity\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e\n\u003cstrong\u003e1 – 5 m³\/h\u003c\/strong\u003e (approx. 17–83 litres\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eMax Working Pressure\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e10 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eMax Working Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e100°C\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eOperation Type\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eAutomatic differential pressure — no electrical connection\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eTypical Applications\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eAir source heat pump primary circuits; multi-zone CH systems; UFH manifold installations; systems with zone valves on 28mm pipework\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Straight","offer_id":64133783093597,"sku":"ABPS28CP","price":19.0,"currency_code":"GBP","in_stock":true},{"title":"Angled","offer_id":64133783126365,"sku":"ABPA28CP","price":19.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/HeatPumpAutoBypassValve28mmhpbpv28a.webp?v=1770397788"},{"product_id":"intatec-zeroguard-anti-freeze-valve-protector-for-inta-zero-heat-pump-valves","title":"Intatec ZEROGUARD Anti-Freeze Valve Protector for Inta Zero Heat Pump Valves","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #1a1a1a; max-width: 900px; line-height: 1.7;\"\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe \u003cstrong\u003eIntatec ZEROGUARD\u003c\/strong\u003e is a purpose-designed two-part protector for the Inta Zero anti-freeze valve range, recommended by Intatec for use on all external ASHP installations where a Zero valve has been fitted and insulated. It protects the valve's anti-vacuum vent from dust, debris, water ingress, and mechanical interference — while keeping the vent itself clear and accessible — throughout the operational life of the installation.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px;\"\u003eIntatec explicitly recommend fitting the ZEROGUARD whenever a Zero anti-freeze valve is insulated, and specify that it should be inspected as part of the system's annual service. It is also included as standard in the Intatec Zero Professional Installer Pack range and the Barco Zero Heat Pump Installer Packs.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0;\"\u003e\n\u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eIntatec Recommended\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eTwo-Part Design\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePush-Fit O-Ring Seal\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eFits All Zero Valve SKUs\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eAnnual Service Inspection\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePart L Compatible\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eHow the ZEROGUARD Works\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eThe ZEROGUARD consists of two parts: a \u003cstrong\u003elower sleeve\u003c\/strong\u003e and a \u003cstrong\u003ecovered vent cap\u003c\/strong\u003e. The lower sleeve slots over the body of the Inta Zero anti-freeze valve and is sealed into the insulation jacket using Primary Pro Bond \u0026amp; Seal, integrating it cleanly into the insulated assembly and preventing water from tracking down into the insulation or valve body. The covered vent cap is then push-fitted over the top of the lower sleeve using a secure O-ring seal, enclosing and protecting the valve's anti-vacuum vent from external contamination.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px;\"\u003eThe anti-vacuum vent on the Inta Zero valve must remain unobstructed at all times to allow the valve to function correctly — if the vent is blocked by debris or water, the valve may not discharge properly when the water temperature reaches 3°C. The ZEROGUARD's covered vent design keeps debris, insects, and water spray away from the vent opening, while the push-fit O-ring cap can be removed quickly by hand for annual inspection and cleaning without any tools.\u003c\/p\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 20px 0; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eIntatec Installation Guidance:\u003c\/strong\u003e Where Inta Zero valves are insulated, Intatec recommend using the ZEROGUARD anti-vacuum cover to protect the valve's anti-vacuum vent. The vent must be kept clear at all times. The ZEROGUARD should be inspected on annual service.\u003c\/div\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 20px 0; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #92400e;\"\u003eImportant — Insulation Warning:\u003c\/strong\u003e If Inta Zero valves are insulated, all external pipework and fittings on the same circuit must also be fully and correctly insulated and sealed. Partial insulation can create cold spots elsewhere in the circuit that may freeze even though the valve itself operates correctly. Do not insulate a Zero valve in isolation.\u003c\/div\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eAnti-vacuum vent protection\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eShields the valve's anti-vacuum vent from dust, debris, insects, and water ingress without blocking airflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eTwo-part push-fit assembly\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eLower sleeve seals permanently into the insulation; covered vent cap removes by hand for easy annual inspection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eInsulation integration\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eSealed into the insulation jacket with Bond \u0026amp; Seal for a clean, weatherproof finish that meets Part L requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eIntatec-recommended accessory\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eSpecified by Intatec for all insulated Zero valve installations. Included as standard in the Intatec Professional Installer Pack range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eMechanical protection\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eProvides physical protection to the valve's operating element and anti-vacuum system from accidental impact on site and in service.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eCompatible with full Zero range\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eFits all Inta Zero anti-freeze valve SKUs: ZERO28, ZERO35, ZERO001, ZERO114, ZERO1SW, and ZERO14SW.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMPN \/ SKU\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eZEROGUARD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eIntatec Ltd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eTwo-part: lower sleeve + covered vent cap with push-fit O-ring seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eFixing method\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eLower sleeve sealed into insulation with Bond \u0026amp; Seal; vent cap push-fit, removable by hand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eCompatible valves\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eAll Inta Zero anti-freeze valve SKUs (ZERO28, ZERO35, ZERO001, ZERO114, ZERO1SW, ZERO14SW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eSold as\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eSingle unit (1 × ZEROGUARD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eService interval\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eInspect annually as part of system service (Intatec recommendation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eAlso available as\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eIncluded in Zero ZG valve variants (e.g. ZERO28ZG, ZERO14SWZG) and Intatec \/ Barco installer packs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eCompatibility — Inta Zero Anti-Freeze Valve Range\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eSKU\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eValve Description\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eZEROGUARD Compatible\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377cf;\"\u003eZERO28\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e28mm compression\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377cf;\"\u003eZERO35\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e35mm compression\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377cf;\"\u003eZERO001\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1\" male BSP\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377cf;\"\u003eZERO114\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1-1\/4\" male BSP\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377cf;\"\u003eZERO1SW\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1\" male x 1\" female swivel\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377cf;\"\u003eZERO14SW\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1-1\/4\" male x 1-1\/4\" female swivel\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e✓\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 16px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhy does the anti-vacuum vent need to be kept clear?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe Inta Zero valve's anti-vacuum vent allows the valve to discharge water correctly when the circuit water temperature drops to 3°C. If the vent becomes blocked by debris, insect nesting, or water ingress, the valve may be prevented from opening or may not discharge at the correct rate — potentially allowing the heat pump circuit to freeze. The ZEROGUARD protects the vent from blockage while maintaining the airflow the vent requires to function.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eIs the ZEROGUARD mandatory or just recommended?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eIntatec recommend the ZEROGUARD for all insulated Zero valve installations and include it as standard in their Professional Installer Pack range. While it is described as a recommendation rather than a hard requirement, fitting it is considered best practice and aligns with Intatec's guidance. Given that the anti-vacuum vent must be kept clear at all times, the ZEROGUARD is the most practical way to ensure this on an external installation subject to weathering, debris, and wildlife.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eCan the ZEROGUARD be removed for servicing without disturbing the insulation?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eYes. The covered vent cap is a push-fit O-ring seal and can be removed by hand without tools, giving access to the anti-vacuum vent for inspection and cleaning at the annual service. The lower sleeve remains sealed into the insulation and does not need to be removed for routine inspection. Only the vent cap needs to come off, and it refits by pushing it back onto the lower sleeve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eHow many ZEROGUARDs do I need for a standard heat pump installation?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eA standard external ASHP installation has two anti-freeze valves — one on the flow pipe and one on the return pipe. You therefore need two ZEROGUARDs. The Barco Zero Heat Pump Installer Packs (28mm and 1-1\/4\" swivel) both include two ZEROGUARDs as part of the pack. If you are purchasing Zero valves individually, order one ZEROGUARD per valve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eDoes the ZEROGUARD need to be sealed with Bond \u0026amp; Seal?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe lower sleeve of the ZEROGUARD is sealed into the insulation jacket using Primary Pro Bond \u0026amp; Seal (AS001) when the valve insulation is fitted, to create a weatherproof seal around the base of the protector. The vent cap itself does not require sealant — it relies on the push-fit O-ring for its seal. Bond \u0026amp; Seal 290ml (AS001) is included in both Barco Zero Installer Packs and is also available separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 16px 20px; border-radius: 4px; margin-top: 32px; font-size: 14px; line-height: 1.9;\"\u003e\n\u003cstrong\u003eRelated Products:\u003c\/strong\u003e\u003cbr\u003eIntatec 28mm Zero Heat Pump Installer Pack (ZERO28 + AS32 + ZEROGUARD + AS001) | Intatec 1-1\/4\" Zero Heat Pump Installer Pack (ZERO14SW + AS32 + ZEROGUARD + AS001) | Primary Pro AS32 Insulation Shell (28mm \/ 1\" valve) | Primary Pro AS52 Insulation Shell (35mm \/ 1-1\/4\" valve) | Primary Pro Bond \u0026amp; Seal 290ml (AS001)\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63832577409373,"sku":"ZEROGUARD","price":13.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/IntatecZEROGUARDAnti-FreezeValveProtectorforIntaZeroHeatPumpValves.png?v=1773399625"},{"product_id":"intatec-zero35-heat-pump-anti-freeze-valve-35mm-compression","title":"Intatec ZERO35 Heat Pump Anti-Freeze Valve – 35mm Compression","description":"\u003c!-- SEO Product Name: Intatec ZERO35 Heat Pump Anti-Freeze Valve – 35mm Compression --\u003e\n\u003cdiv style=\"font-family: Arial, sans-serif; color: #1a1a1a; max-width: 900px; line-height: 1.7;\"\u003e\n\u003c!-- Header bar --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 14px 20px; border-radius: 4px; margin-bottom: 24px;\"\u003e\n\u003cp style=\"margin: 4px 0 0; font-size: 11px; opacity: 0.7;\"\u003e35mm Compression — Water-Sensing Thermostatic Anti-Freeze Valve — Part L Compliant\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Intro --\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe \u003cstrong\u003eIntatec ZERO35\u003c\/strong\u003e is a patented water-sensing thermostatic anti-freeze valve engineered to protect air source heat pump systems from freeze damage. Unlike ambient air-sensing valves, the Zero's wax thermostatic element sits directly in the water flow — it reacts to the actual system water temperature, not the surrounding air temperature. This means it operates correctly when fully insulated, in compliance with Building Regulations Part L, which requires all external heat pump pipework and fittings to be fully insulated and sealed.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe valve discharges when the water temperature drops to 3°C and closes again at 4°C, draining just enough water to prevent ice formation without unnecessary water loss. Sold individually; Inta recommend fitting one valve on both the flow and return pipework.\u003c\/p\u003e\n\u003c!-- Badge strip --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0;\"\u003e\n\u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eMPN: ZERO35\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eOpens at 3°C\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePart L Compliant\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eWater-Sensing Element\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eR290 Compatible\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePatented Design\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Connection callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 18px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eConnection note:\u003c\/strong\u003e Direct 35mm compression connection — suits 35mm copper or plastic pipework. Paired with HPBV35 ball valve on 1¼\" heat pump ports.\u003c\/div\u003e\n\u003c!-- Size note callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eWhen to choose the ZERO35:\u003c\/strong\u003e Preferred for larger ASHP systems and commercial installations using 35mm pipework.\u003c\/div\u003e\n\u003c!-- Independently tested performance --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eIndependently Tested Insulation Performance\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eInta independently tested the Zero valves at a controlled ambient temperature of -1°C to +1°C with a starting water temperature of 10°C:\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px; text-align: center;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eWithout Insulation\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eDischarge temperature: \u003cstrong\u003e2.49°C\u003c\/strong\u003e\u003cbr\u003eTime to discharge: \u003cstrong\u003e1 hour 4 minutes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; border-radius: 6px; padding: 14px 16px; text-align: center; color: #fff;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; font-size: 14px;\"\u003eWith Insulation ✓\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eDischarge temperature: \u003cstrong\u003e2.03°C\u003c\/strong\u003e\u003cbr\u003eTime to discharge: \u003cstrong\u003e4 hours 3 minutes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 13px; color: #555; margin-bottom: 24px;\"\u003eInsulation delays discharge (giving more time for the system to respond) and results in a slightly lower discharge temperature — confirming the valve functions correctly and reliably when fully insulated.\u003c\/p\u003e\n\u003c!-- Technical specifications --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMPN \/ Product code\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eZERO35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInlet connection\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e35mm compression (inlet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOutlet \/ discharge\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eDischarge port — vertical downward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eKv value\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e70 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMax inlet pressure (static)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e10 Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMin inlet pressure\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e0.5 Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOpening temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e3°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eClosing temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e4°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e±1°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eWorking temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e0°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eAmbient temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e-30°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMax discharge flow rate @ 3 Bar\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1.5 L\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMedium\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eWater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e76mm (body height)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eThread standard\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBS EN ISO 228\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eValve body material\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBrass — BS EN 12165 CW617N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eSpring\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eTemperature element\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eWax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInternal seals\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eEPDM peroxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInternal parts\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBrass — BS EN 12164 CW617N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eR290 refrigerant compatible\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eIntatec Ltd, Hixon, Staffordshire ST18 0PF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- Key features grid --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eWater-sensing — not air-sensing\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe wax thermostatic element sits directly in the water flow. The valve responds to actual system water temperature — not ambient air — so it operates accurately regardless of weather conditions, wind chill, or the insulation layer around the valve body.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eFully insulatable — Part L compliant\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eBuilding Regulations Part L requires all external ASHP fittings to be fully insulated. Because the Zero element sits in the water (not the air), the valve can be completely encased in insulation and sealed — maintaining system efficiency while still discharging reliably at 3°C.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eDebris-resistant cartridge design\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eA protective ring around the thermostatic cartridge prevents system debris from settling into the operating mechanism. Double O-rings with reduced-friction surface treatment ensure correct valve operation and reliable sealing even after extended periods without activation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eVacuum breaker with ZEROGUARD option\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe built-in vacuum breaker prevents backflow contamination and must remain clear at all times. The optional ZEROGUARD cover (sold separately or as part of a ZG bundle) fits over the vacuum breaker, protecting it from debris, insects, and the elements while allowing air flow and annual inspection without disturbing the insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eChamfered discharge edge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe discharge outlet has a chamfered edge that prevents water droplets forming and freezing at the tip — a subtle but important design detail that maintains free discharge even in sub-zero ambient temperatures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eServiceable thermostatic cartridge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe thermostatic cartridge and vacuum breaker are both replaceable in the field using standard spanners (26mm A\/F for cartridge, 20mm A\/F for vacuum breaker), without removing the valve body from the pipework. Replacement parts available from Intatec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Installation requirements --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eInstallation Requirements\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eThe Zero valve must be installed \u003cstrong\u003eoutdoors, vertically, with the discharge port facing directly downward\u003c\/strong\u003e — never horizontal or inverted. Install as close to the heat pump as possible, on both flow and return pipes. Minimum 150mm clearance between the discharge port and the ground to prevent discharged water refreezing and blocking the outlet. If installing two valves on adjacent pipes, leave at least 100mm between them so discharge from the upper valve cannot fall onto the lower valve.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px;\"\u003eFlush all pipework thoroughly before installation. Do not allow debris, PTFE tape, or metal particles to enter the valve. Avoid installing near heat sources (boilers, flues) which could interfere with the thermostatic element. Avoid any upstream elbow that creates a water trap below the valve, which would prevent complete drainage.\u003c\/p\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 14px 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eCritical insulation warning:\u003c\/strong\u003e If the ZERO35 is insulated, \u003cem\u003eall\u003c\/em\u003e external pipework and fittings on the circuit must also be fully insulated and sealed. Partial insulation creates cold spots that can freeze even if the valve itself operates correctly. The anti-vacuum valve (vacuum breaker) must remain clear at all times — use ZEROGUARD to protect it. Inspect insulation and re-seal all joints annually.\u003c\/div\u003e\n\u003c!-- Compatible accessories table --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eCompatible Accessories (Intatec)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eCode\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZEROGUARD\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eAnti-vacuum valve protector — two-part push-fit cover for the vacuum breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULZERO35\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003ePre-formed insulation jacket for 35mm \/ 1¼\" Zero valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULBOND\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e290ml Bond \u0026amp; Seal — for sealing insulation joints around the valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZERO35ZG\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eZERO35 pre-bundled with ZEROGUARD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eHPBV35\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eHeat pump extended key ball valve 35mm — installs upstream\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- FAQ --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eHow many ZERO35 valves do I need?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eInta recommend fitting one valve on both the flow and return pipework — so a standard heat pump installation requires two ZERO35 valves. The valve is sold individually; order two for a complete installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eDoes the ZERO35 need to be insulated?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eBuilding Regulations Part L requires all external heat pump pipework and fittings to be fully insulated. Use the INSULZERO35 pre-formed insulation jacket (sold separately) with INSULBOND 290ml Bond \u0026amp; Seal to fully encapsulate the valve. Only the ZEROGUARD-protected vacuum breaker and the discharge port tip should remain exposed. Insulation must be inspected and resealed annually.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhy does the ZERO35 have a ZEROGUARD version (ZERO35ZG)?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe ZERO35ZG is simply the ZERO35 supplied pre-paired with a ZEROGUARD vacuum breaker cover. Inta recommend always using a ZEROGUARD, so the ZG bundle saves a separate order and ensures the correct cover is to hand at installation. The cover can also be purchased separately if you already have the valve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhat does the vacuum breaker do and can it be serviced?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe vacuum breaker (anti-vacuum valve) prevents a negative pressure siphon from drawing contaminated water back into the system after discharge. It must remain clear and unobstructed at all times. It can be removed for inspection or replacement using a 20mm A\/F spanner — without removing the valve body from the pipework. The plastic vacuum cap should fall free when the body is inverted; if it does not, the vacuum breaker needs replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eCan the thermostatic cartridge be replaced on site?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eYes — using a 26mm A\/F spanner to unscrew the cartridge from the valve body. Only fit genuine Inta replacement cartridges. If the valve keeps discharging without the water temperature dropping to 3°C, check that the valve is not located near a heat source, that the vacuum breaker is not blocked, and that insulation has not been applied incorrectly. If the fault persists, replace the cartridge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Warning box --\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eDo not install indoors, horizontally, or inverted.\u003c\/strong\u003e The ZERO35 must be installed outdoors, vertically, discharge pointing down. Indoor installation prevents the valve from operating when the heat pump stops — the water inside will not cool to 3°C as quickly indoors. Installing horizontally or inverted prevents discharged water from draining freely and can cause the discharge port to freeze.\u003c\/div\u003e\n\u003c!-- Related products footer --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 16px 20px; border-radius: 4px; margin-top: 32px; font-size: 14px; line-height: 1.9;\"\u003e\n\u003cstrong\u003eRelated Products:\u003c\/strong\u003e\u003cbr\u003eIntatec ZERO28 Anti-Freeze Valve 28mm companion valve for smaller systems | Intatec ZEROGUARD Anti-Vacuum Valve Protector | INSULZERO35 Insulation Jacket | INSULBOND 290ml Bond \u0026amp; Seal | Intatec HPBV35 Heat Pump Ball Valve | Intatec IntaKlean HP Magnetic Filter\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63899165524317,"sku":"ZERO35","price":117.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/IntatecZERO35HeatPumpAnti-FreezeValve_35mmCompression.webp?v=1773806926"},{"product_id":"intatec-zero001-heat-pump-anti-freeze-valve-1-male-bsp","title":"Intatec ZERO001 Heat Pump Anti-Freeze Valve – 1\" Male BSP","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #1a1a1a; max-width: 900px; line-height: 1.7;\"\u003e\n\u003c!-- Header bar --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 14px 20px; border-radius: 4px; margin-bottom: 24px;\"\u003e\n\u003cp style=\"margin: 4px 0 0; font-size: 11px; opacity: 0.7;\"\u003e1\" Male BSP (G1) Inline — Water-Sensing Thermostatic Anti-Freeze Valve — Part L Compliant\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Intro --\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe \u003cstrong\u003eIntatec ZERO001\u003c\/strong\u003e is a patented water-sensing thermostatic anti-freeze valve engineered to protect air source heat pump systems from freeze damage. Unlike ambient air-sensing valves, the Zero's wax thermostatic element sits directly in the water flow — it reacts to the actual system water temperature, not the surrounding air temperature. This means it operates correctly when fully insulated, in compliance with Building Regulations Part L, which requires all external heat pump pipework and fittings to be fully insulated and sealed.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe valve discharges when the water temperature drops to 3°C and closes again at 4°C, draining just enough water to prevent ice formation without unnecessary water loss. Sold individually; Inta recommend fitting one valve on both the flow and return pipework.\u003c\/p\u003e\n\u003c!-- Badge strip --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0;\"\u003e\n\u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eMPN: ZERO001\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eOpens at 3°C\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePart L Compliant\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eWater-Sensing Element\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eR290 Compatible\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePatented Design\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Connection callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 18px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eConnection note:\u003c\/strong\u003e Both ends are G1\" male BSP — the valve fits in-line between the heat pump port and the system pipework using female-threaded fittings or unions at each end.\u003c\/div\u003e\n\u003c!-- Size note callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eWhen to choose the ZERO001:\u003c\/strong\u003e Suits systems with 1\" BSP threaded connections, typically where threaded manifolds or unions are preferred over compression fittings.\u003c\/div\u003e\n\u003c!-- Independently tested performance --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eIndependently Tested Insulation Performance\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eInta independently tested the Zero valves at a controlled ambient temperature of -1°C to +1°C with a starting water temperature of 10°C:\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px; text-align: center;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eWithout Insulation\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eDischarge temperature: \u003cstrong\u003e2.49°C\u003c\/strong\u003e\u003cbr\u003eTime to discharge: \u003cstrong\u003e1 hour 4 minutes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; border-radius: 6px; padding: 14px 16px; text-align: center; color: #fff;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; font-size: 14px;\"\u003eWith Insulation ✓\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eDischarge temperature: \u003cstrong\u003e2.03°C\u003c\/strong\u003e\u003cbr\u003eTime to discharge: \u003cstrong\u003e4 hours 3 minutes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 13px; color: #555; margin-bottom: 24px;\"\u003eInsulation delays discharge (giving more time for the system to respond) and results in a slightly lower discharge temperature — confirming the valve functions correctly and reliably when fully insulated.\u003c\/p\u003e\n\u003c!-- Technical specifications --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMPN \/ Product code\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eZERO001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInlet connection\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eG1\" male BSP (ISO228) — inline, both ends male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOutlet \/ discharge\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eDischarge port — vertical downward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eKv value\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e55 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMax inlet pressure (static)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e10 Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMin inlet pressure\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e0.5 Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOpening temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e3°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eClosing temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e4°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e±1°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eWorking temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e0°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eAmbient temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e-30°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMax discharge flow rate @ 3 Bar\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1.5 L\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMedium\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eWater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e88mm tall × 41mm wide (male-to-male body)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eThread standard\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBS EN ISO 228\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eValve body material\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBrass — BS EN 12165 CW617N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eSpring\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eTemperature element\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eWax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInternal seals\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eEPDM peroxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInternal parts\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBrass — BS EN 12164 CW617N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eR290 refrigerant compatible\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eIntatec Ltd, Hixon, Staffordshire ST18 0PF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- Key features grid --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eWater-sensing — not air-sensing\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe wax thermostatic element sits directly in the water flow. The valve responds to actual system water temperature — not ambient air — so it operates accurately regardless of weather conditions, wind chill, or the insulation layer around the valve body.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eFully insulatable — Part L compliant\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eBuilding Regulations Part L requires all external ASHP fittings to be fully insulated. Because the Zero element sits in the water (not the air), the valve can be completely encased in insulation and sealed — maintaining system efficiency while still discharging reliably at 3°C.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eDebris-resistant cartridge design\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eA protective ring around the thermostatic cartridge prevents system debris from settling into the operating mechanism. Double O-rings with reduced-friction surface treatment ensure correct valve operation and reliable sealing even after extended periods without activation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eVacuum breaker with ZEROGUARD option\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe built-in vacuum breaker prevents backflow contamination and must remain clear at all times. The optional ZEROGUARD cover (sold separately or as part of a ZG bundle) fits over the vacuum breaker, protecting it from debris, insects, and the elements while allowing air flow and annual inspection without disturbing the insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eChamfered discharge edge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe discharge outlet has a chamfered edge that prevents water droplets forming and freezing at the tip — a subtle but important design detail that maintains free discharge even in sub-zero ambient temperatures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eServiceable thermostatic cartridge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe thermostatic cartridge and vacuum breaker are both replaceable in the field using standard spanners (26mm A\/F for cartridge, 20mm A\/F for vacuum breaker), without removing the valve body from the pipework. Replacement parts available from Intatec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Installation requirements --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eInstallation Requirements\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eThe Zero valve must be installed \u003cstrong\u003eoutdoors, vertically, with the discharge port facing directly downward\u003c\/strong\u003e — never horizontal or inverted. Install as close to the heat pump as possible, on both flow and return pipes. Minimum 150mm clearance between the discharge port and the ground to prevent discharged water refreezing and blocking the outlet. If installing two valves on adjacent pipes, leave at least 100mm between them so discharge from the upper valve cannot fall onto the lower valve.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px;\"\u003eFlush all pipework thoroughly before installation. Do not allow debris, PTFE tape, or metal particles to enter the valve. Avoid installing near heat sources (boilers, flues) which could interfere with the thermostatic element. Avoid any upstream elbow that creates a water trap below the valve, which would prevent complete drainage.\u003c\/p\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 14px 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eCritical insulation warning:\u003c\/strong\u003e If the ZERO001 is insulated, \u003cem\u003eall\u003c\/em\u003e external pipework and fittings on the circuit must also be fully insulated and sealed. Partial insulation creates cold spots that can freeze even if the valve itself operates correctly. The anti-vacuum valve (vacuum breaker) must remain clear at all times — use ZEROGUARD to protect it. Inspect insulation and re-seal all joints annually.\u003c\/div\u003e\n\u003c!-- Compatible accessories table --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eCompatible Accessories (Intatec)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eCode\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZEROGUARD\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eAnti-vacuum valve protector — two-part push-fit cover for the vacuum breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULZERO28\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003ePre-formed insulation jacket for 28mm \/ 1\" Zero valve (fits ZERO001)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULBOND\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e290ml Bond \u0026amp; Seal — for sealing insulation joints around the valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZERO001ZG\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eZERO001 pre-bundled with ZEROGUARD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eHPBV11\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eHeat pump extended key ball valve 1\" — installs upstream\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- FAQ --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eHow many ZERO001 valves do I need?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eInta recommend fitting one valve on both the flow and return pipework — so a standard heat pump installation requires two ZERO001 valves. The valve is sold individually; order two for a complete installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eDoes the ZERO001 need to be insulated?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eBuilding Regulations Part L requires all external heat pump pipework and fittings to be fully insulated. Use the INSULZERO28 pre-formed insulation jacket (sold separately) with INSULBOND 290ml Bond \u0026amp; Seal to fully encapsulate the valve. Only the ZEROGUARD-protected vacuum breaker and the discharge port tip should remain exposed. Insulation must be inspected and resealed annually.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhy does the ZERO001 have a ZEROGUARD version (ZERO001ZG)?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe ZERO001ZG is simply the ZERO001 supplied pre-paired with a ZEROGUARD vacuum breaker cover. Inta recommend always using a ZEROGUARD, so the ZG bundle saves a separate order and ensures the correct cover is to hand at installation. The cover can also be purchased separately if you already have the valve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhat does the vacuum breaker do and can it be serviced?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe vacuum breaker (anti-vacuum valve) prevents a negative pressure siphon from drawing contaminated water back into the system after discharge. It must remain clear and unobstructed at all times. It can be removed for inspection or replacement using a 20mm A\/F spanner — without removing the valve body from the pipework. The plastic vacuum cap should fall free when the body is inverted; if it does not, the vacuum breaker needs replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eCan the thermostatic cartridge be replaced on site?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eYes — using a 26mm A\/F spanner to unscrew the cartridge from the valve body. Only fit genuine Inta replacement cartridges. If the valve keeps discharging without the water temperature dropping to 3°C, check that the valve is not located near a heat source, that the vacuum breaker is not blocked, and that insulation has not been applied incorrectly. If the fault persists, replace the cartridge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Warning box --\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eDo not install indoors, horizontally, or inverted.\u003c\/strong\u003e The ZERO001 must be installed outdoors, vertically, discharge pointing down. Indoor installation prevents the valve from operating when the heat pump stops — the water inside will not cool to 3°C as quickly indoors. Installing horizontally or inverted prevents discharged water from draining freely and can cause the discharge port to freeze.\u003c\/div\u003e\n\u003c!-- Related products footer --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 16px 20px; border-radius: 4px; margin-top: 32px; font-size: 14px; line-height: 1.9;\"\u003e\n\u003cstrong\u003eRelated Products:\u003c\/strong\u003e\u003cbr\u003eIntatec ZERO114 Anti-Freeze Valve 1¼\" male BSP companion for larger port systems | Intatec ZEROGUARD Anti-Vacuum Valve Protector | INSULZERO28 Insulation Jacket | INSULBOND 290ml Bond \u0026amp; Seal | Intatec HPBV11 Heat Pump Ball Valve | Intatec IntaKlean HP Magnetic Filter\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63899199078749,"sku":"ZERO001","price":110.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/IntatecZERO001HeatPumpAnti-FreezeValve_1MaleBSP.webp?v=1773807437"},{"product_id":"intatec-zero114-heat-pump-anti-freeze-valve-1-male-bsp","title":"Intatec ZERO114 Heat Pump Anti-Freeze Valve – 1¼\" Male BSP","description":"\u003c!-- SEO Product Name: Intatec ZERO114 Heat Pump Anti-Freeze Valve – 1¼\" Male BSP --\u003e\n\u003cdiv style=\"font-family: Arial, sans-serif; color: #1a1a1a; max-width: 900px; line-height: 1.7;\"\u003e\n\u003c!-- Header bar --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 14px 20px; border-radius: 4px; margin-bottom: 24px;\"\u003e\n\u003cp style=\"margin: 4px 0 0; font-size: 11px; opacity: 0.7;\"\u003e1¼\" Male BSP (G1¼) Inline — Water-Sensing Thermostatic Anti-Freeze Valve — Part L Compliant\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Intro --\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe \u003cstrong\u003eIntatec ZERO114\u003c\/strong\u003e is a patented water-sensing thermostatic anti-freeze valve engineered to protect air source heat pump systems from freeze damage. Unlike ambient air-sensing valves, the Zero's wax thermostatic element sits directly in the water flow — it reacts to the actual system water temperature, not the surrounding air temperature. This means it operates correctly when fully insulated, in compliance with Building Regulations Part L, which requires all external heat pump pipework and fittings to be fully insulated and sealed.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe valve discharges when the water temperature drops to 3°C and closes again at 4°C, draining just enough water to prevent ice formation without unnecessary water loss. Sold individually; Inta recommend fitting one valve on both the flow and return pipework.\u003c\/p\u003e\n\u003c!-- Badge strip --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0;\"\u003e\n\u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eMPN: ZERO114\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eOpens at 3°C\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePart L Compliant\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eWater-Sensing Element\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eR290 Compatible\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePatented Design\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Connection callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 18px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eConnection note:\u003c\/strong\u003e Both ends are G1¼\" male BSP — the valve fits in-line between the heat pump port and the system pipework using female-threaded fittings or unions. Highest Kv (70 m³\/h) of all inline Zero variants.\u003c\/div\u003e\n\u003c!-- Size note callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eWhen to choose the ZERO114:\u003c\/strong\u003e Preferred for larger ASHP or GSHP systems with 1¼\" BSP threaded connections and higher flow rate requirements.\u003c\/div\u003e\n\u003c!-- Independently tested performance --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eIndependently Tested Insulation Performance\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eInta independently tested the Zero valves at a controlled ambient temperature of -1°C to +1°C with a starting water temperature of 10°C:\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px; text-align: center;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eWithout Insulation\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eDischarge temperature: \u003cstrong\u003e2.49°C\u003c\/strong\u003e\u003cbr\u003eTime to discharge: \u003cstrong\u003e1 hour 4 minutes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; border-radius: 6px; padding: 14px 16px; text-align: center; color: #fff;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; font-size: 14px;\"\u003eWith Insulation ✓\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eDischarge temperature: \u003cstrong\u003e2.03°C\u003c\/strong\u003e\u003cbr\u003eTime to discharge: \u003cstrong\u003e4 hours 3 minutes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 13px; color: #555; margin-bottom: 24px;\"\u003eInsulation delays discharge (giving more time for the system to respond) and results in a slightly lower discharge temperature — confirming the valve functions correctly and reliably when fully insulated.\u003c\/p\u003e\n\u003c!-- Technical specifications --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMPN \/ Product code\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eZERO114\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInlet connection\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eG1¼\" male BSP (ISO228) — inline, both ends male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOutlet \/ discharge\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eDischarge port — vertical downward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eKv value\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e70 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMax inlet pressure (static)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e10 Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMin inlet pressure\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e0.5 Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOpening temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e3°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eClosing temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e4°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e±1°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eWorking temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e0°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eAmbient temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e-30°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMax discharge flow rate @ 3 Bar\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1.5 L\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMedium\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eWater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e88mm tall × 41mm wide (male-to-male body)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eThread standard\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBS EN ISO 228\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eValve body material\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBrass — BS EN 12165 CW617N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eSpring\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eTemperature element\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eWax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInternal seals\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eEPDM peroxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInternal parts\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBrass — BS EN 12164 CW617N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eR290 refrigerant compatible\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eIntatec Ltd, Hixon, Staffordshire ST18 0PF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- Key features grid --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eWater-sensing — not air-sensing\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe wax thermostatic element sits directly in the water flow. The valve responds to actual system water temperature — not ambient air — so it operates accurately regardless of weather conditions, wind chill, or the insulation layer around the valve body.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eFully insulatable — Part L compliant\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eBuilding Regulations Part L requires all external ASHP fittings to be fully insulated. Because the Zero element sits in the water (not the air), the valve can be completely encased in insulation and sealed — maintaining system efficiency while still discharging reliably at 3°C.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eDebris-resistant cartridge design\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eA protective ring around the thermostatic cartridge prevents system debris from settling into the operating mechanism. Double O-rings with reduced-friction surface treatment ensure correct valve operation and reliable sealing even after extended periods without activation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eVacuum breaker with ZEROGUARD option\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe built-in vacuum breaker prevents backflow contamination and must remain clear at all times. The optional ZEROGUARD cover (sold separately or as part of a ZG bundle) fits over the vacuum breaker, protecting it from debris, insects, and the elements while allowing air flow and annual inspection without disturbing the insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eChamfered discharge edge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe discharge outlet has a chamfered edge that prevents water droplets forming and freezing at the tip — a subtle but important design detail that maintains free discharge even in sub-zero ambient temperatures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eServiceable thermostatic cartridge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe thermostatic cartridge and vacuum breaker are both replaceable in the field using standard spanners (26mm A\/F for cartridge, 20mm A\/F for vacuum breaker), without removing the valve body from the pipework. Replacement parts available from Intatec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Installation requirements --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eInstallation Requirements\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eThe Zero valve must be installed \u003cstrong\u003eoutdoors, vertically, with the discharge port facing directly downward\u003c\/strong\u003e — never horizontal or inverted. Install as close to the heat pump as possible, on both flow and return pipes. Minimum 150mm clearance between the discharge port and the ground to prevent discharged water refreezing and blocking the outlet. If installing two valves on adjacent pipes, leave at least 100mm between them so discharge from the upper valve cannot fall onto the lower valve.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px;\"\u003eFlush all pipework thoroughly before installation. Do not allow debris, PTFE tape, or metal particles to enter the valve. Avoid installing near heat sources (boilers, flues) which could interfere with the thermostatic element. Avoid any upstream elbow that creates a water trap below the valve, which would prevent complete drainage.\u003c\/p\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 14px 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eCritical insulation warning:\u003c\/strong\u003e If the ZERO114 is insulated, \u003cem\u003eall\u003c\/em\u003e external pipework and fittings on the circuit must also be fully insulated and sealed. Partial insulation creates cold spots that can freeze even if the valve itself operates correctly. The anti-vacuum valve (vacuum breaker) must remain clear at all times — use ZEROGUARD to protect it. Inspect insulation and re-seal all joints annually.\u003c\/div\u003e\n\u003c!-- Compatible accessories table --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eCompatible Accessories (Intatec)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eCode\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZEROGUARD\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eAnti-vacuum valve protector — two-part push-fit cover for the vacuum breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULZERO35\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003ePre-formed insulation jacket for 35mm \/ 1¼\" Zero valve (fits ZERO114)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULBOND\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e290ml Bond \u0026amp; Seal — for sealing insulation joints around the valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZERO114ZG\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eZERO114 pre-bundled with ZEROGUARD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eHPBV114\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eHeat pump extended key ball valve 1¼\" — installs upstream\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- FAQ --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eHow many ZERO114 valves do I need?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eInta recommend fitting one valve on both the flow and return pipework — so a standard heat pump installation requires two ZERO114 valves. The valve is sold individually; order two for a complete installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eDoes the ZERO114 need to be insulated?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eBuilding Regulations Part L requires all external heat pump pipework and fittings to be fully insulated. Use the INSULZERO35 pre-formed insulation jacket (sold separately) with INSULBOND 290ml Bond \u0026amp; Seal to fully encapsulate the valve. Only the ZEROGUARD-protected vacuum breaker and the discharge port tip should remain exposed. Insulation must be inspected and resealed annually.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhy does the ZERO114 have a ZEROGUARD version (ZERO114ZG)?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe ZERO114ZG is simply the ZERO114 supplied pre-paired with a ZEROGUARD vacuum breaker cover. Inta recommend always using a ZEROGUARD, so the ZG bundle saves a separate order and ensures the correct cover is to hand at installation. The cover can also be purchased separately if you already have the valve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhat does the vacuum breaker do and can it be serviced?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe vacuum breaker (anti-vacuum valve) prevents a negative pressure siphon from drawing contaminated water back into the system after discharge. It must remain clear and unobstructed at all times. It can be removed for inspection or replacement using a 20mm A\/F spanner — without removing the valve body from the pipework. The plastic vacuum cap should fall free when the body is inverted; if it does not, the vacuum breaker needs replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eCan the thermostatic cartridge be replaced on site?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eYes — using a 26mm A\/F spanner to unscrew the cartridge from the valve body. Only fit genuine Inta replacement cartridges. If the valve keeps discharging without the water temperature dropping to 3°C, check that the valve is not located near a heat source, that the vacuum breaker is not blocked, and that insulation has not been applied incorrectly. If the fault persists, replace the cartridge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Warning box --\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eDo not install indoors, horizontally, or inverted.\u003c\/strong\u003e The ZERO114 must be installed outdoors, vertically, discharge pointing down. Indoor installation prevents the valve from operating when the heat pump stops — the water inside will not cool to 3°C as quickly indoors. Installing horizontally or inverted prevents discharged water from draining freely and can cause the discharge port to freeze.\u003c\/div\u003e\n\u003c!-- Related products footer --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 16px 20px; border-radius: 4px; margin-top: 32px; font-size: 14px; line-height: 1.9;\"\u003e\n\u003cstrong\u003eRelated Products:\u003c\/strong\u003e\u003cbr\u003eIntatec ZERO001 Anti-Freeze Valve 1\" male BSP companion for smaller port systems | Intatec ZEROGUARD Anti-Vacuum Valve Protector | INSULZERO35 Insulation Jacket | INSULBOND 290ml Bond \u0026amp; Seal | Intatec HPBV114 Heat Pump Ball Valve | Intatec IntaKlean HP Magnetic Filter\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63899214348637,"sku":"ZERO114","price":117.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/IntatecZERO001HeatPumpAnti-FreezeValve_1MaleBSP.webp?v=1773807437"},{"product_id":"intatec-zero1sw-heat-pump-anti-freeze-valve-1-male-1-female-swivel","title":"Intatec ZERO1SW Heat Pump Anti-Freeze Valve – 1\" Male × 1\" Female Swivel","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #1a1a1a; max-width: 900px; line-height: 1.7;\"\u003e\n\u003c!-- Header bar --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 14px 20px; border-radius: 4px; margin-bottom: 24px;\"\u003e\n\u003cp style=\"margin: 4px 0 0; font-size: 11px; opacity: 0.7;\"\u003e1\" Male × 1\" Female Swivel — Water-Sensing Thermostatic Anti-Freeze Valve — Part L Compliant\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Intro --\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe \u003cstrong\u003eIntatec ZERO1SW\u003c\/strong\u003e is a patented water-sensing thermostatic anti-freeze valve engineered to protect air source heat pump systems from freeze damage. Unlike ambient air-sensing valves, the Zero's wax thermostatic element sits directly in the water flow — it reacts to the actual system water temperature, not the surrounding air temperature. This means it operates correctly when fully insulated, in compliance with Building Regulations Part L, which requires all external heat pump pipework and fittings to be fully insulated and sealed.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe valve discharges when the water temperature drops to 3°C and closes again at 4°C, draining just enough water to prevent ice formation without unnecessary water loss. Sold individually; Inta recommend fitting one valve on both the flow and return pipework.\u003c\/p\u003e\n\u003c!-- Badge strip --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0;\"\u003e\n\u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eMPN: ZERO1SW\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eOpens at 3°C\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePart L Compliant\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eWater-Sensing Element\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eR290 Compatible\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePatented Design\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Connection callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 18px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eConnection note:\u003c\/strong\u003e The female swivel outlet allows the valve to be oriented without rotating the male inlet — ideal for connecting to flexible pre-insulated hose (Intaflex) where the hose end can be rotated into alignment during tightening.\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eWhy a swivel connection?\u003c\/strong\u003e The swivel connection is the defining feature of the 1SW\/14SW variants. Unlike the inline ZERO001\/ZERO114, the swivel allows rotational alignment of the outlet fitting — essential for Intaflex hose connections and tight-space installations where a fixed outlet would cause torsional stress on pipework.\u003c\/div\u003e\n\u003c!-- Size note callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eWhen to choose the ZERO1SW:\u003c\/strong\u003e Best choice when connecting to pre-insulated flexible hose on 28mm \/ 1\" circuits. The female swivel prevents hose twisting during installation.\u003c\/div\u003e\n\u003c!-- Independently tested performance --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eIndependently Tested Insulation Performance\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eInta independently tested the Zero valves at a controlled ambient temperature of -1°C to +1°C with a starting water temperature of 10°C:\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px; text-align: center;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eWithout Insulation\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eDischarge temperature: \u003cstrong\u003e2.49°C\u003c\/strong\u003e\u003cbr\u003eTime to discharge: \u003cstrong\u003e1 hour 4 minutes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; border-radius: 6px; padding: 14px 16px; text-align: center; color: #fff;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; font-size: 14px;\"\u003eWith Insulation ✓\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eDischarge temperature: \u003cstrong\u003e2.03°C\u003c\/strong\u003e\u003cbr\u003eTime to discharge: \u003cstrong\u003e4 hours 3 minutes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 13px; color: #555; margin-bottom: 24px;\"\u003eInsulation delays discharge (giving more time for the system to respond) and results in a slightly lower discharge temperature — confirming the valve functions correctly and reliably when fully insulated.\u003c\/p\u003e\n\u003c!-- Technical specifications --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMPN \/ Product code\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eZERO1SW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInlet connection\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eG1\" male BSP (inlet — to heat pump port or HPBV ball valve)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOutlet \/ discharge\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eG1\" female swivel (outlet — to flexible hose or system pipe) + discharge port downward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eKv value\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e33 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMax inlet pressure (static)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e10 Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMin inlet pressure\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e0.5 Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOpening temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e3°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eClosing temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e4°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e±1°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eWorking temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e0°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eAmbient temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e-30°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMax discharge flow rate @ 3 Bar\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1.5 L\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMedium\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eWater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e74mm tall × 58mm wide (swivel body)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eThread standard\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBS EN ISO 228\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eValve body material\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBrass — BS EN 12165 CW617N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eSpring\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eTemperature element\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eWax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInternal seals\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eEPDM peroxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInternal parts\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBrass — BS EN 12164 CW617N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eR290 refrigerant compatible\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eIntatec Ltd, Hixon, Staffordshire ST18 0PF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- Key features grid --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eWater-sensing — not air-sensing\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe wax thermostatic element sits directly in the water flow. The valve responds to actual system water temperature — not ambient air — so it operates accurately regardless of weather conditions, wind chill, or the insulation layer around the valve body.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eFully insulatable — Part L compliant\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eBuilding Regulations Part L requires all external ASHP fittings to be fully insulated. Because the Zero element sits in the water (not the air), the valve can be completely encased in insulation and sealed — maintaining system efficiency while still discharging reliably at 3°C.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eDebris-resistant cartridge design\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eA protective ring around the thermostatic cartridge prevents system debris from settling into the operating mechanism. Double O-rings with reduced-friction surface treatment ensure correct valve operation and reliable sealing even after extended periods without activation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eVacuum breaker with ZEROGUARD option\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe built-in vacuum breaker prevents backflow contamination and must remain clear at all times. The optional ZEROGUARD cover (sold separately or as part of a ZG bundle) fits over the vacuum breaker, protecting it from debris, insects, and the elements while allowing air flow and annual inspection without disturbing the insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eChamfered discharge edge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe discharge outlet has a chamfered edge that prevents water droplets forming and freezing at the tip — a subtle but important design detail that maintains free discharge even in sub-zero ambient temperatures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eServiceable thermostatic cartridge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe thermostatic cartridge and vacuum breaker are both replaceable in the field using standard spanners (26mm A\/F for cartridge, 20mm A\/F for vacuum breaker), without removing the valve body from the pipework. Replacement parts available from Intatec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Installation requirements --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eInstallation Requirements\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eThe Zero valve must be installed \u003cstrong\u003eoutdoors, vertically, with the discharge port facing directly downward\u003c\/strong\u003e — never horizontal or inverted. Install as close to the heat pump as possible, on both flow and return pipes. Minimum 150mm clearance between the discharge port and the ground to prevent discharged water refreezing and blocking the outlet. If installing two valves on adjacent pipes, leave at least 100mm between them so discharge from the upper valve cannot fall onto the lower valve.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px;\"\u003eFlush all pipework thoroughly before installation. Do not allow debris, PTFE tape, or metal particles to enter the valve. Avoid installing near heat sources (boilers, flues) which could interfere with the thermostatic element. Avoid any upstream elbow that creates a water trap below the valve, which would prevent complete drainage.\u003c\/p\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 14px 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eCritical insulation warning:\u003c\/strong\u003e If the ZERO1SW is insulated, \u003cem\u003eall\u003c\/em\u003e external pipework and fittings on the circuit must also be fully insulated and sealed. Partial insulation creates cold spots that can freeze even if the valve itself operates correctly. The anti-vacuum valve (vacuum breaker) must remain clear at all times — use ZEROGUARD to protect it. Inspect insulation and re-seal all joints annually.\u003c\/div\u003e\n\u003c!-- Compatible accessories table --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eCompatible Accessories (Intatec)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eCode\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZEROGUARD\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eAnti-vacuum valve protector — two-part push-fit cover for the vacuum breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULZERO28SW\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003ePre-formed insulation jacket specifically for 1\" swivel Zero valve (ZERO1SW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULBOND\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e290ml Bond \u0026amp; Seal — for sealing insulation joints around the valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZERO1SWZG\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eZERO1SW pre-bundled with ZEROGUARD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eHPBV11\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eHeat pump extended key ball valve 1\" — installs between heat pump and ZERO1SW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- FAQ --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eHow many ZERO1SW valves do I need?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eInta recommend fitting one valve on both the flow and return pipework — so a standard heat pump installation requires two ZERO1SW valves. The valve is sold individually; order two for a complete installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eDoes the ZERO1SW need to be insulated?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eBuilding Regulations Part L requires all external heat pump pipework and fittings to be fully insulated. Use the INSULZERO28SW pre-formed insulation jacket (sold separately) with INSULBOND 290ml Bond \u0026amp; Seal to fully encapsulate the valve. Only the ZEROGUARD-protected vacuum breaker and the discharge port tip should remain exposed. Insulation must be inspected and resealed annually.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhy does the ZERO1SW have a ZEROGUARD version (ZERO1SWZG)?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe ZERO1SWZG is simply the ZERO1SW supplied pre-paired with a ZEROGUARD vacuum breaker cover. Inta recommend always using a ZEROGUARD, so the ZG bundle saves a separate order and ensures the correct cover is to hand at installation. The cover can also be purchased separately if you already have the valve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhat does the vacuum breaker do and can it be serviced?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe vacuum breaker (anti-vacuum valve) prevents a negative pressure siphon from drawing contaminated water back into the system after discharge. It must remain clear and unobstructed at all times. It can be removed for inspection or replacement using a 20mm A\/F spanner — without removing the valve body from the pipework. The plastic vacuum cap should fall free when the body is inverted; if it does not, the vacuum breaker needs replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eCan the thermostatic cartridge be replaced on site?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eYes — using a 26mm A\/F spanner to unscrew the cartridge from the valve body. Only fit genuine Inta replacement cartridges. If the valve keeps discharging without the water temperature dropping to 3°C, check that the valve is not located near a heat source, that the vacuum breaker is not blocked, and that insulation has not been applied incorrectly. If the fault persists, replace the cartridge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Warning box --\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eDo not install indoors, horizontally, or inverted.\u003c\/strong\u003e The ZERO1SW must be installed outdoors, vertically, discharge pointing down. Indoor installation prevents the valve from operating when the heat pump stops — the water inside will not cool to 3°C as quickly indoors. Installing horizontally or inverted prevents discharged water from draining freely and can cause the discharge port to freeze.\u003c\/div\u003e\n\u003c!-- Related products footer --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 16px 20px; border-radius: 4px; margin-top: 32px; font-size: 14px; line-height: 1.9;\"\u003e\n\u003cstrong\u003eRelated Products:\u003c\/strong\u003e\u003cbr\u003eIntatec ZERO14SW Anti-Freeze Valve 1¼\" swivel companion for 35mm \/ larger port systems | Intatec ZEROGUARD Anti-Vacuum Valve Protector | INSULZERO28SW Insulation Jacket | INSULBOND 290ml Bond \u0026amp; Seal | Intatec HPBV11 Heat Pump Ball Valve | Intatec IntaKlean HP Magnetic Filter\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63899230994781,"sku":"ZERO1SW","price":135.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/IntatecZERO1SWHeatPumpAnti-FreezeValve_1Malex1FemaleSwivel.webp?v=1773807944"},{"product_id":"intatec-zero14sw-heat-pump-anti-freeze-valve-1-male-1-female-swivel","title":"Intatec ZERO14SW Heat Pump Anti-Freeze Valve – 1¼\" Male × 1¼\" Female Swivel","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #1a1a1a; max-width: 900px; line-height: 1.7;\"\u003e\n\u003c!-- Header bar --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 14px 20px; border-radius: 4px; margin-bottom: 24px;\"\u003e\n\u003cp style=\"margin: 4px 0 0; font-size: 11px; opacity: 0.7;\"\u003e1¼\" Male × 1¼\" Female Swivel — Water-Sensing Thermostatic Anti-Freeze Valve — Part L Compliant\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Intro --\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe \u003cstrong\u003eIntatec ZERO14SW\u003c\/strong\u003e is a patented water-sensing thermostatic anti-freeze valve engineered to protect air source heat pump systems from freeze damage. Unlike ambient air-sensing valves, the Zero's wax thermostatic element sits directly in the water flow — it reacts to the actual system water temperature, not the surrounding air temperature. This means it operates correctly when fully insulated, in compliance with Building Regulations Part L, which requires all external heat pump pipework and fittings to be fully insulated and sealed.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe valve discharges when the water temperature drops to 3°C and closes again at 4°C, draining just enough water to prevent ice formation without unnecessary water loss. Sold individually; Inta recommend fitting one valve on both the flow and return pipework.\u003c\/p\u003e\n\u003c!-- Badge strip --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0;\"\u003e\n\u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eMPN: ZERO14SW\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eOpens at 3°C\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePart L Compliant\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eWater-Sensing Element\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eR290 Compatible\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePatented Design\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Connection callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 18px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eConnection note:\u003c\/strong\u003e The female swivel outlet allows the valve outlet to be oriented without twisting the male inlet or the valve body — essential for Intaflex and other pre-insulated flexible hose systems on 35mm \/ 1¼\" circuits.\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eWhy a swivel connection?\u003c\/strong\u003e The 14SW is the 1¼\" counterpart to the ZERO1SW. Both swivel variants share the same 74mm × 58mm body dimensions. The female swivel end prevents hose or pipe rotation stress during tightening, giving more flexibility in tight or angled installations.\u003c\/div\u003e\n\u003c!-- Size note callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eWhen to choose the ZERO14SW:\u003c\/strong\u003e Best choice for 35mm \/ 1¼\" pre-insulated hose connections. Widely used on larger domestic and light commercial ASHP installations.\u003c\/div\u003e\n\u003c!-- Independently tested performance --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eIndependently Tested Insulation Performance\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eInta independently tested the Zero valves at a controlled ambient temperature of -1°C to +1°C with a starting water temperature of 10°C:\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px; text-align: center;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eWithout Insulation\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eDischarge temperature: \u003cstrong\u003e2.49°C\u003c\/strong\u003e\u003cbr\u003eTime to discharge: \u003cstrong\u003e1 hour 4 minutes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #008377CF; border-radius: 6px; padding: 14px 16px; text-align: center; color: #fff;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold; font-size: 14px;\"\u003eWith Insulation ✓\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eDischarge temperature: \u003cstrong\u003e2.03°C\u003c\/strong\u003e\u003cbr\u003eTime to discharge: \u003cstrong\u003e4 hours 3 minutes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 13px; color: #555; margin-bottom: 24px;\"\u003eInsulation delays discharge (giving more time for the system to respond) and results in a slightly lower discharge temperature — confirming the valve functions correctly and reliably when fully insulated.\u003c\/p\u003e\n\u003c!-- Technical specifications --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMPN \/ Product code\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eZERO14SW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInlet connection\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eG1¼\" male BSP (inlet — to heat pump port or HPBV ball valve)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOutlet \/ discharge\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eG1¼\" female swivel (outlet — to flexible hose or system pipe) + discharge port downward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eKv value\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e52 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMax inlet pressure (static)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e10 Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMin inlet pressure\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e0.5 Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOpening temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e3°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eClosing temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e4°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e±1°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eWorking temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e0°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eAmbient temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e-30°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMax discharge flow rate @ 3 Bar\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1.5 L\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMedium\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eWater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e74mm tall × 58mm wide (swivel body)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eThread standard\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBS EN ISO 228\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eValve body material\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBrass — BS EN 12165 CW617N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eSpring\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eTemperature element\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eWax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInternal seals\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eEPDM peroxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eInternal parts\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBrass — BS EN 12164 CW617N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eR290 refrigerant compatible\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eIntatec Ltd, Hixon, Staffordshire ST18 0PF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- Key features grid --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eWater-sensing — not air-sensing\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe wax thermostatic element sits directly in the water flow. The valve responds to actual system water temperature — not ambient air — so it operates accurately regardless of weather conditions, wind chill, or the insulation layer around the valve body.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eFully insulatable — Part L compliant\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eBuilding Regulations Part L requires all external ASHP fittings to be fully insulated. Because the Zero element sits in the water (not the air), the valve can be completely encased in insulation and sealed — maintaining system efficiency while still discharging reliably at 3°C.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eDebris-resistant cartridge design\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eA protective ring around the thermostatic cartridge prevents system debris from settling into the operating mechanism. Double O-rings with reduced-friction surface treatment ensure correct valve operation and reliable sealing even after extended periods without activation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eVacuum breaker with ZEROGUARD option\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe built-in vacuum breaker prevents backflow contamination and must remain clear at all times. The optional ZEROGUARD cover (sold separately or as part of a ZG bundle) fits over the vacuum breaker, protecting it from debris, insects, and the elements while allowing air flow and annual inspection without disturbing the insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eChamfered discharge edge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe discharge outlet has a chamfered edge that prevents water droplets forming and freezing at the tip — a subtle but important design detail that maintains free discharge even in sub-zero ambient temperatures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eServiceable thermostatic cartridge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe thermostatic cartridge and vacuum breaker are both replaceable in the field using standard spanners (26mm A\/F for cartridge, 20mm A\/F for vacuum breaker), without removing the valve body from the pipework. Replacement parts available from Intatec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Installation requirements --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eInstallation Requirements\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eThe Zero valve must be installed \u003cstrong\u003eoutdoors, vertically, with the discharge port facing directly downward\u003c\/strong\u003e — never horizontal or inverted. Install as close to the heat pump as possible, on both flow and return pipes. Minimum 150mm clearance between the discharge port and the ground to prevent discharged water refreezing and blocking the outlet. If installing two valves on adjacent pipes, leave at least 100mm between them so discharge from the upper valve cannot fall onto the lower valve.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px;\"\u003eFlush all pipework thoroughly before installation. Do not allow debris, PTFE tape, or metal particles to enter the valve. Avoid installing near heat sources (boilers, flues) which could interfere with the thermostatic element. Avoid any upstream elbow that creates a water trap below the valve, which would prevent complete drainage.\u003c\/p\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 14px 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eCritical insulation warning:\u003c\/strong\u003e If the ZERO14SW is insulated, \u003cem\u003eall\u003c\/em\u003e external pipework and fittings on the circuit must also be fully insulated and sealed. Partial insulation creates cold spots that can freeze even if the valve itself operates correctly. The anti-vacuum valve (vacuum breaker) must remain clear at all times — use ZEROGUARD to protect it. Inspect insulation and re-seal all joints annually.\u003c\/div\u003e\n\u003c!-- Compatible accessories table --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eCompatible Accessories (Intatec)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eCode\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZEROGUARD\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eAnti-vacuum valve protector — two-part push-fit cover for the vacuum breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULZERO35SW\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003ePre-formed insulation jacket specifically for 1¼\" swivel Zero valve (ZERO14SW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULBOND\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e290ml Bond \u0026amp; Seal — for sealing insulation joints around the valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZERO14SWZG\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eZERO14SW pre-bundled with ZEROGUARD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eHPBV35\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eHeat pump extended key ball valve 1¼\" × 35mm — installs between heat pump and ZERO14SW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- FAQ --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eHow many ZERO14SW valves do I need?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eInta recommend fitting one valve on both the flow and return pipework — so a standard heat pump installation requires two ZERO14SW valves. The valve is sold individually; order two for a complete installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eDoes the ZERO14SW need to be insulated?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eBuilding Regulations Part L requires all external heat pump pipework and fittings to be fully insulated. Use the INSULZERO35SW pre-formed insulation jacket (sold separately) with INSULBOND 290ml Bond \u0026amp; Seal to fully encapsulate the valve. Only the ZEROGUARD-protected vacuum breaker and the discharge port tip should remain exposed. Insulation must be inspected and resealed annually.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhy does the ZERO14SW have a ZEROGUARD version (ZERO14SWZG)?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe ZERO14SWZG is simply the ZERO14SW supplied pre-paired with a ZEROGUARD vacuum breaker cover. Inta recommend always using a ZEROGUARD, so the ZG bundle saves a separate order and ensures the correct cover is to hand at installation. The cover can also be purchased separately if you already have the valve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhat does the vacuum breaker do and can it be serviced?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe vacuum breaker (anti-vacuum valve) prevents a negative pressure siphon from drawing contaminated water back into the system after discharge. It must remain clear and unobstructed at all times. It can be removed for inspection or replacement using a 20mm A\/F spanner — without removing the valve body from the pipework. The plastic vacuum cap should fall free when the body is inverted; if it does not, the vacuum breaker needs replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eCan the thermostatic cartridge be replaced on site?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eYes — using a 26mm A\/F spanner to unscrew the cartridge from the valve body. Only fit genuine Inta replacement cartridges. If the valve keeps discharging without the water temperature dropping to 3°C, check that the valve is not located near a heat source, that the vacuum breaker is not blocked, and that insulation has not been applied incorrectly. If the fault persists, replace the cartridge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Warning box --\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eDo not install indoors, horizontally, or inverted.\u003c\/strong\u003e The ZERO14SW must be installed outdoors, vertically, discharge pointing down. Indoor installation prevents the valve from operating when the heat pump stops — the water inside will not cool to 3°C as quickly indoors. Installing horizontally or inverted prevents discharged water from draining freely and can cause the discharge port to freeze.\u003c\/div\u003e\n\u003c!-- Related products footer --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 16px 20px; border-radius: 4px; margin-top: 32px; font-size: 14px; line-height: 1.9;\"\u003e\n\u003cstrong\u003eRelated Products:\u003c\/strong\u003e\u003cbr\u003eIntatec ZERO1SW Anti-Freeze Valve 1\" swivel companion for 28mm \/ smaller port systems | Intatec ZEROGUARD Anti-Vacuum Valve Protector | INSULZERO35SW Insulation Jacket | INSULBOND 290ml Bond \u0026amp; Seal | Intatec HPBV35 Heat Pump Ball Valve | Intatec IntaKlean HP Magnetic Filter\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63899253244253,"sku":"ZERO14SW","price":143.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/IntatecZERO1SWHeatPumpAnti-FreezeValve_1Malex1FemaleSwivel.webp?v=1773807944"},{"product_id":"intatec-cbv1-heat-pump-combi-ball-valve-with-400-micron-filter-1-bsp","title":"Intatec CBV1 Heat Pump Combi Ball Valve with 400 Micron Filter – 1\" BSP","description":"\u003c!-- SEO Product Name: Intatec BVF01 Heat Pump Ball Valve with 500 Micron Filter – 1\" BSP --\u003e\n\u003cdiv style=\"font-family: Arial, sans-serif; color: #1a1a1a; max-width: 900px; line-height: 1.7;\"\u003e\n\u003c!-- Header bar --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 14px 20px; border-radius: 4px; margin-bottom: 24px;\"\u003e\n\u003cp style=\"margin: 4px 0 0; font-size: 11px; opacity: 0.7;\"\u003eBall Valve with Integrated 400 Micron Filter Cartridge — 1\" BSP — PN25 — Lever Handle\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Intro --\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe \u003cstrong\u003eIntatec CBV1\u003c\/strong\u003e is a combination ball valve and 400 micron filter in a single compact brass body, with 1\" BSP threaded connections. It provides both full-bore isolation and debris filtration in one fitting — eliminating the need for a separate inline strainer and reducing the total number of joints in the heat pump pipework circuit.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe integrated 400 micron mesh filter cartridge captures particles and debris before they reach the heat pump heat exchanger, refrigerant circuit, or other sensitive system components. The lever handle allows quick visual confirmation of valve state (open or closed). Also available in 28mm compression (BVF28) and 35mm compression (BVF35) for connection to copper or plastic pipe systems.\u003c\/p\u003e\n\u003c!-- Badge strip --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0;\"\u003e\n\u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eMPN: CBV1\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePN25 — 25 Bar\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003e400µm Mesh Filter\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003e-10 to 90°C Working Temp\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eSolid Brass\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eLever Handle\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eWhy a combi valve?\u003c\/strong\u003e Installing isolation and filtration as separate fittings adds pipework joints and length. The BVF combi valve combines both functions in a single body — reducing installation time, minimising potential leak points, and keeping the equipment room or heat pump manifold layout compact. The filter cartridge is removable for inspection and cleaning without disturbing the pipework.\u003c\/div\u003e\n\u003c!-- Variant selection guide --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eBVF Range — Variant Selection\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 8px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eCode\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eConnection\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eTypical system pipe\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eBody length\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eOverall length\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eCBV1\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1\" BSP (female)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eThreaded manifolds, plant rooms\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e60.9mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e93mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eBVF28\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e28mm compression\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e28mm copper \/ plastic pipe\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e60.9mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e110mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eBVF35\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e35mm compression\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e35mm copper \/ plastic pipe\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e60.9mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e115mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 12px; color: #555; margin-bottom: 24px;\"\u003e* All three variants share the same body, filter specification, and performance ratings. The BVF01 is supplied in this listing; BVF28 and BVF35 are listed separately.\u003c\/p\u003e\n\u003c!-- Technical specs --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eTechnical Specifications — CBV1\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMPN \/ Product code\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eCBV1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eConnection\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1\" BSP female × female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMaximum inlet pressure\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e25 Bar (PN25)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eWorking temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e-10°C to +90°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eFilter cartridge temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e-20°C to +120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eFilter mesh size\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e400 microns (400µm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eBody material\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eSolid brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eValve operation\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eQuarter-turn (90°) — lever handle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eHandle type\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eLever (visual open\/close indication)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eDimensions — body length\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e60.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eDimensions — overall length\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e93mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- Features --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eIsolation + filtration in one body\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe CBV1 combines a full-bore quarter-turn isolation ball valve with a Y-pattern 400 micron mesh filter cartridge in a single compact brass body. This eliminates the need for a separate strainer fitting and reduces the total number of connections in the circuit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003e400 micron mesh cartridge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe 400µm stainless mesh filter cartridge captures metal particles, scale fragments, and construction debris before they enter the heat pump. The cartridge can be removed, cleaned, and replaced without cutting or draining the full system — close the ball valve, unscrew the cartridge housing, remove and inspect.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eLever handle — immediate visual state\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eUnlike K-type extended key valves (designed for fully insulated outdoor use), the BVF01 uses a conventional lever handle which is in-line with the flow when open and perpendicular when closed. This makes the BVF01 best suited for indoor manifold or plant room locations where the valve does not need to be buried under insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003ePN25 solid brass — rated for heat pump duty\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eRated to 25 bar and -10 to +90°C, the BVF01 comfortably handles the working pressures and temperatures found in air source and ground source heat pump systems, including glycol-blended circuits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Installation note --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eInstallation \u0026amp; Maintenance Notes\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eInstall the BVF01 in line with the flow direction marked on the valve body — the filter must be correctly oriented to function. For heat pump return pipework, the preferred position is on the return leg upstream of the heat pump, so debris is captured before reaching the heat exchanger. Flush the system pipework thoroughly before commissioning. Inspect the filter cartridge at each annual service and clean or replace as necessary.\u003c\/p\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eNote on outdoor vs indoor use:\u003c\/strong\u003e The BVF01 lever handle is not designed to be operated through insulation. For fully insulated outdoor heat pump connections, use the HPBV28 or HPBV35 K-type extended key valves instead. The BVF01 (and BVF28\/BVF35) are best positioned at the indoor\/indoor-adjacent point of the circuit — immediately after the flexible hose entry into the building or plantroom — where they remain accessible for filter servicing.\u003c\/div\u003e\n\u003c!-- FAQ --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eIs the CBV1 the same as the BVF28 and BVF35 but with different connections?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eYes — all three BVF variants share the same body design, filter specification, and performance ratings. The CBV1 has 1\" BSP female threaded connections; the BVF28 and BVF35 have 28mm and 35mm compression ends respectively for direct copper or plastic pipework connection. Choose based on your pipework type and connection preference.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eDoes the CBV1 replace a magnetic filter like the IntaKlean HP?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe CBV's 400 micron mesh cartridge captures physical debris and particles. A magnetic filter captures magnetite (iron oxide sludge) which the mesh cannot. For a new or recently flushed heat pump system, a magnetic filter on the system return is recommended in addition to the BVF filter valve — particularly for systems with radiators, which generate magnetite over time. The two products complement rather than replace each other.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eHow is the filter cartridge accessed and cleaned?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eClose the ball valve, relieve any residual system pressure, then unscrew the filter cartridge housing from the valve body. Remove the mesh cartridge, rinse under clean water to remove any trapped debris, inspect for damage, and refit. If the mesh is heavily fouled or damaged, replace the cartridge. Inta recommend checking the filter at each annual service visit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eCan the BVF01 be used for flow regulation?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eNo — like all ball valves, the CBV1 is an isolation device only and should only be used in the fully open or fully closed positions. Partial opening of a ball valve causes cavitation, erosion of the ball seat, and can damage the valve permanently. For flow rate control and balancing on a heat pump circuit, use a dedicated flow balancing valve such as the Intatec INFBV2850.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Related products footer --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 16px 20px; border-radius: 4px; margin-top: 32px; font-size: 14px; line-height: 1.9;\"\u003e\n\u003cstrong\u003eRelated Products:\u003c\/strong\u003e\u003cbr\u003eIntatec HPBV28 Heat Pump Extended Key Ball Valve 28mm | Intatec HPBV35 Heat Pump Extended Key Ball Valve 35mm | Intatec BVF28 Combi Ball Valve with Filter 28mm | Intatec BVF35 Combi Ball Valve with Filter 35mm | Intatec IntaKlean HP Magnetic Filter | Intatec INFBV2850 Flow Balancing Valve\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63899327234397,"sku":"CBV1","price":39.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/IntaCBV1HeatPumpCombiBallValve1YStrainer_IsolationValveCombined400MicronMeshFilter.webp?v=1773808674"},{"product_id":"intatec-bvf28-heat-pump-ball-valve-with-500-micron-filter-28mm-compression","title":"Intatec BVF28 Heat Pump Ball Valve with 500 Micron Filter – 28mm Compression","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #1a1a1a; max-width: 900px; line-height: 1.7;\"\u003e\n\u003c!-- Header bar --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 14px 20px; border-radius: 4px; margin-bottom: 24px;\"\u003e\n\u003cp style=\"margin: 4px 0 0; font-size: 11px; opacity: 0.7;\"\u003e28mm Compression — Lever Ball Valve with Integrated 500µm Filter Cartridge — PN25\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Intro --\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe \u003cstrong\u003eIntatec BVF28\u003c\/strong\u003e is a combination ball valve and 500 micron mesh filter in a single solid brass body with 28mm compression (both ends) ends. It provides \u003cstrong\u003efull-bore quarter-turn isolation\u003c\/strong\u003e and \u003cstrong\u003einline debris filtration\u003c\/strong\u003e in one compact fitting — eliminating the need for a separate strainer in the circuit and reducing the total number of joints in the heat pump pipework.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe integrated 500µm stainless mesh filter cartridge captures debris, particles, and construction residue before they reach the heat pump heat exchanger. The lever handle gives immediate visual confirmation of valve state. The filter cartridge is \u003cstrong\u003eremovable for inspection and cleaning\u003c\/strong\u003e without cutting the pipework — simply close the ball valve, unscrew the cartridge housing, rinse and refit.\u003c\/p\u003e\n\u003c!-- Badge strip --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0;\"\u003e\n\u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eMPN: BVF28\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePN25 — 25 Bar\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003e500µm Mesh Filter\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003e-10 to 90°C\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eSolid Brass\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eLever Handle\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eServiceable Cartridge\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Pipe size callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 18px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003ePipe size note:\u003c\/strong\u003e Suits 28mm copper or plastic pipework — the most common domestic ASHP circuit size. The 28mm compression ends connect without solder or specialist tools.\u003c\/div\u003e\n\u003c!-- Installation position callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 18px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eRecommended installation position:\u003c\/strong\u003e Best positioned on the return leg indoors or immediately after the flexible hose entry point — accessible for filter servicing without disturbing outdoor insulation.\u003c\/div\u003e\n\u003c!-- BVF vs HPBV callout --\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eBVF vs HPBV — which for which location?\u003c\/strong\u003e The BVF28 uses a standard lever handle — it is designed for accessible indoor or plantroom positions where insulation does not need to be sealed around the valve. For fully insulated outdoor positions directly on the heat pump, use the HPBV28 K-type extended key ball valve instead.\u003c\/div\u003e\n\u003c!-- Technical specifications --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMPN \/ Product code\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBVF28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eConnections\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e28mm compression (both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMaximum inlet pressure\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e25 Bar (PN25)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eWorking temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e-10°C to +90°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eFilter cartridge temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e-20°C to +120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eFilter mesh size\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e500 microns (500µm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eBody material\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eSolid brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eValve operation\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eQuarter-turn (90°) — lever handle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eHandle type\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eLever — in-line with flow when open, perpendicular when closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eBody length\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e60.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOverall length (end to end)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e93mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eBody width across flats\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e66mm (body width across flats)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eIntatec Ltd, Hixon, Staffordshire ST18 0PF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- BVF range variant table --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eBVF Range — All Variants\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eSKU\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eConnection\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eBody length\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eOverall length\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eBody width\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eBVF28\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e28mm compression\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e60.9mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e93mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e66mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eBVF35\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e35mm compression\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e60.9mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e110mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e71mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eBVF01\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1\" BSP female × female\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e60.9mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e93mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e66mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 12px; color: #555; margin-bottom: 24px;\"\u003eAll three variants share the same body design, 500µm filter specification, and PN25 performance rating. This listing is for the BVF28.\u003c\/p\u003e\n\u003c!-- Key features grid --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eIsolation + filtration in one body\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eA single fitting replaces a separate ball valve and inline strainer — fewer joints, less pipework space, and a neater installation. The lever provides immediate open\/closed indication; the filter housing is accessible from below when the valve is in the closed position.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003e500µm serviceable mesh cartridge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe stainless mesh filter cartridge captures debris, scale, and particles down to 500 microns before they reach the heat pump heat exchanger. The cartridge unscrews from the body for cleaning or replacement without disturbing the pipework — close the ball valve, relieve pressure, unscrew, rinse, refit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003ePN25 solid brass — heat pump duty rated\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eRated to 25 Bar and -10 to +90°C working temperature — well in excess of the pressures and temperatures found in domestic ASHP circuits. The filter cartridge itself is rated to -20°C to +120°C, giving additional design margin. Suitable for glycol-blended systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eLever handle — instant visual state\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe lever lies in-line with the pipe when fully open and perpendicular when fully closed — immediate visual confirmation of valve state without any tools. Suitable for accessible indoor locations where the valve does not need to be operated through insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eCompact 28mm compression (both ends) body\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eAt 60.9mm body length and 93mm overall, the BVF28 is compact enough for tight plant room and manifold installations. The 28mm compression (both ends) ends connect directly to standard copper or plastic pipe using standard olives and compression nuts — no soldering required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eProtects the heat pump — and the warranty\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eMany heat pump manufacturers require adequate filtration to be installed as a condition of their system warranty. Fitting a filter valve on the return line protects the heat exchanger from debris damage — particularly important during system commissioning when pipework particles and flux residues are still present.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Installation and maintenance --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eInstallation \u0026amp; Maintenance\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eInstall the BVF28 with the filter housing accessible — ideally oriented so the cartridge can be unscrewed downward or outward without restricting access. Install in line with the direction of flow marked on the body. On heat pump systems, the preferred position is on the \u003cstrong\u003ereturn pipe upstream of the heat pump\u003c\/strong\u003e, so debris is captured before reaching the heat exchanger. Thoroughly flush all system pipework before commissioning to remove construction debris.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px;\"\u003eCheck and clean the filter cartridge at commissioning (where significant debris may have been released during filling and flushing) and at each annual service visit. If the filter becomes heavily fouled between services, this may indicate a system-wide corrosion or debris issue that warrants further investigation — consider adding an Intatec IntaKlean HP magnetic filter on the same return leg to capture magnetite separately from physical debris.\u003c\/p\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 14px 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eIsolation valves only — do not use for flow regulation.\u003c\/strong\u003e Ball valves are designed for full open or full closed operation only. Partially open ball valves cause cavitation and seat erosion that permanently damages the valve. For flow rate adjustment and commissioning balancing, use a dedicated flow balancing valve such as the Intatec INFBV2850.\u003c\/div\u003e\n\u003c!-- Accessories table --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eCompatible Accessories \u0026amp; Related Products\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eCode\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eBVF35\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e35mm compression variant for larger pipe systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eBVF01\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBVF01 (1\" BSP threaded) is the threaded manifold variant of the same valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eHPBV28\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1\" Female Swivel × 28mm K-type extended key ball valve — upstream isolation for insulated pipework\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZERO28\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e28mm Zero anti-freeze valve — pairs with BVF28 for complete circuit protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSUL28BALLVALVE\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003ePrimary Pro pre-formed insulation shell for 28mm \/ 1\" ball valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULBOND\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e290ml Bond \u0026amp; Seal — for sealing insulation around valve and pipework\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINFBV2850\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eIntatec 28mm flow balancing valve with fill \u0026amp; flush — for commissioning flow rate adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- FAQ --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhere in the system should the BVF28 be installed?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eInta recommend installing the BVF28 on the return pipework, upstream of the heat pump, so any debris in the circuit is caught before reaching the heat exchanger. The preferred position is at the first accessible indoor point — after the flexible hose enters the building — where the lever and filter cartridge remain accessible for servicing without disturbing the outdoor insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eDoes the BVF28 replace a magnetic filter like the IntaKlean HP?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe BVF28's 500µm mesh captures physical particles and debris. A magnetic filter captures magnetite (black iron oxide sludge) which a mesh cannot. For a complete filtration strategy — particularly on systems with steel radiators, which generate magnetite over time — both should be fitted. The BVF filter valve and an IntaKlean HP magnetic filter complement rather than replace each other.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eHow do I clean or replace the filter cartridge?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eClose the ball valve fully, then relieve system pressure at a suitable drain point. Unscrew the filter cartridge housing from the underside of the valve body. Remove the mesh cartridge, rinse under clean water to clear debris, inspect the mesh for damage, and refit. If the mesh is torn or deformed, replace the cartridge with a genuine Intatec replacement part. Inspect at commissioning and at every annual service.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eCan the BVF28 be installed outdoors on the heat pump?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eTechnically the PN25 solid brass body is suitable for outdoor temperatures. However, the lever handle design means the valve cannot be insulated and sealed in the same way as a K-type extended key valve — the lever prevents a sealed insulation envelope. For the outdoor position directly on the heat pump where Part L insulation is required, use the HPBV28 extended key ball valve. The BVF28 is then positioned at the accessible indoor end of the circuit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eIs the BVF28 compatible with glycol\/antifreeze solutions?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eYes — solid brass ball valves are compatible with the glycol-water mixtures used in heat pump systems. The Inta Zero anti-freeze valves on the same circuit are designed specifically for water circuits; if your system uses a significant glycol concentration, confirm compatibility with Intatec's technical team for the complete circuit assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Related products footer --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 16px 20px; border-radius: 4px; margin-top: 32px; font-size: 14px; line-height: 1.9;\"\u003e\n\u003cstrong\u003eRelated Products:\u003c\/strong\u003e\u003cbr\u003eIntatec BVF35 Ball Valve with Filter 35mm compression variant for larger pipe systems | Intatec BVF01 1\" BSP Ball Valve with Filter | Intatec HPBV28 Extended Key Ball Valve | Intatec ZERO28 Anti-Freeze Valve | INSUL28BALLVALVE Insulation Shell | Intatec IntaKlean HP Magnetic Filter | Intatec INFBV2850 Flow Balancing Valve\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63899373338973,"sku":"BVF28","price":33.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/IntatecHPBV28HeatPumpExtendedKeyBallValve_1FemaleSwivelx28mmCompression.webp?v=1773809243"},{"product_id":"intatec-bvf35-heat-pump-ball-valve-with-500-micron-filter-35mm-compression","title":"Intatec BVF35 Heat Pump Ball Valve with 500 Micron Filter – 35mm Compression","description":"\u003c!-- SEO Product Name: Intatec BVF35 Heat Pump Ball Valve with 500 Micron Filter – 35mm Compression --\u003e\n\u003cdiv style=\"font-family: Arial, sans-serif; color: #1a1a1a; max-width: 900px; line-height: 1.7;\"\u003e\n\u003c!-- Header bar --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 14px 20px; border-radius: 4px; margin-bottom: 24px;\"\u003e\n\u003cp style=\"margin: 4px 0 0; font-size: 11px; opacity: 0.7;\"\u003e35mm Compression — Lever Ball Valve with Integrated 500µm Filter Cartridge — PN25\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Intro --\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe \u003cstrong\u003eIntatec BVF35\u003c\/strong\u003e is a combination ball valve and 500 micron mesh filter in a single solid brass body with 35mm compression (both ends) ends. It provides \u003cstrong\u003efull-bore quarter-turn isolation\u003c\/strong\u003e and \u003cstrong\u003einline debris filtration\u003c\/strong\u003e in one compact fitting — eliminating the need for a separate strainer in the circuit and reducing the total number of joints in the heat pump pipework.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe integrated 500µm stainless mesh filter cartridge captures debris, particles, and construction residue before they reach the heat pump heat exchanger. The lever handle gives immediate visual confirmation of valve state. The filter cartridge is \u003cstrong\u003eremovable for inspection and cleaning\u003c\/strong\u003e without cutting the pipework — simply close the ball valve, unscrew the cartridge housing, rinse and refit.\u003c\/p\u003e\n\u003c!-- Badge strip --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0;\"\u003e\n\u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eMPN: BVF35\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003ePN25 — 25 Bar\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003e500µm Mesh Filter\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003e-10 to 90°C\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eSolid Brass\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eLever Handle\u003c\/span\u003e \u003cspan style=\"background: #008377CF; color: #fff; padding: 7px 13px; border-radius: 20px; font-size: 12px; font-weight: bold;\"\u003eServiceable Cartridge\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Pipe size callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 18px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003ePipe size note:\u003c\/strong\u003e Suits 35mm copper or plastic pipework — used on larger domestic and light commercial ASHP systems, and where higher flow rates are required. Both compression ends connect directly to 35mm pipe without solder.\u003c\/div\u003e\n\u003c!-- Installation position callout --\u003e\n\u003cdiv style=\"background: #f0faf9; border-left: 4px solid #008377CF; padding: 12px 16px; margin: 0 0 18px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #008377cf;\"\u003eRecommended installation position:\u003c\/strong\u003e Best positioned on the return leg indoors or at the first accessible point inside the building — away from the fully insulated outdoor section of pipework — to allow filter servicing without disturbing sealed outdoor insulation.\u003c\/div\u003e\n\u003c!-- BVF vs HPBV callout --\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 0 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eBVF vs HPBV — which for which location?\u003c\/strong\u003e The BVF35 uses a standard lever handle — it is designed for accessible indoor or plantroom locations where the valve does not need to pass through insulation. For the fully insulated outdoor position directly at the heat pump, use the HPBV35 K-type extended key ball valve instead.\u003c\/div\u003e\n\u003c!-- Technical specifications --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMPN \/ Product code\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBVF35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eConnections\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e35mm compression (both ends)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eMaximum inlet pressure\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e25 Bar (PN25)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eWorking temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e-10°C to +90°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eFilter cartridge temperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e-20°C to +120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eFilter mesh size\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e500 microns (500µm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eBody material\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eSolid brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eValve operation\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eQuarter-turn (90°) — lever handle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eHandle type\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eLever — in-line with flow when open, perpendicular when closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eBody length\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e60.9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eOverall length (end to end)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e110mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eBody width across flats\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e71mm (body width across flats)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eIntatec Ltd, Hixon, Staffordshire ST18 0PF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- BVF range variant table --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eBVF Range — All Variants\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eSKU\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eConnection\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eBody length\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eOverall length\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eBody width\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eBVF28\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e28mm compression\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e60.9mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e93mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e66mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eBVF35\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e35mm compression\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e60.9mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e110mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e71mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eBVF01\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1\" BSP female × female\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e60.9mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e93mm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e66mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 12px; color: #555; margin-bottom: 24px;\"\u003eAll three variants share the same body design, 500µm filter specification, and PN25 performance rating. This listing is for the BVF35.\u003c\/p\u003e\n\u003c!-- Key features grid --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; margin-bottom: 24px;\"\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eIsolation + filtration in one body\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eA single fitting replaces a separate ball valve and inline strainer — fewer joints, less pipework space, and a neater installation. The lever provides immediate open\/closed indication; the filter housing is accessible from below when the valve is in the closed position.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003e500µm serviceable mesh cartridge\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe stainless mesh filter cartridge captures debris, scale, and particles down to 500 microns before they reach the heat pump heat exchanger. The cartridge unscrews from the body for cleaning or replacement without disturbing the pipework — close the ball valve, relieve pressure, unscrew, rinse, refit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003ePN25 solid brass — heat pump duty rated\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eRated to 25 Bar and -10 to +90°C working temperature — well in excess of the pressures and temperatures found in domestic ASHP circuits. The filter cartridge itself is rated to -20°C to +120°C, giving additional design margin. Suitable for glycol-blended systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eLever handle — instant visual state\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eThe lever lies in-line with the pipe when fully open and perpendicular when fully closed — immediate visual confirmation of valve state without any tools. Suitable for accessible indoor locations where the valve does not need to be operated through insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eCompact 35mm compression (both ends) body\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eAt 60.9mm body length and 110mm overall, the BVF35 is compact enough for tight plant room and manifold installations. The 35mm compression (both ends) ends connect directly to standard copper or plastic pipe using standard olives and compression nuts — no soldering required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f0faf9; border: 1px solid #c8e6e3; border-radius: 6px; padding: 14px 16px;\"\u003e\n\u003cp style=\"margin: 0 0 5px; font-weight: bold; color: #008377cf; font-size: 14px;\"\u003eProtects the heat pump — and the warranty\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px;\"\u003eMany heat pump manufacturers require adequate filtration to be installed as a condition of their system warranty. Fitting a filter valve on the return line protects the heat exchanger from debris damage — particularly important during system commissioning when pipework particles and flux residues are still present.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Installation and maintenance --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eInstallation \u0026amp; Maintenance\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003eInstall the BVF35 with the filter housing accessible — ideally oriented so the cartridge can be unscrewed downward or outward without restricting access. Install in line with the direction of flow marked on the body. On heat pump systems, the preferred position is on the \u003cstrong\u003ereturn pipe upstream of the heat pump\u003c\/strong\u003e, so debris is captured before reaching the heat exchanger. Thoroughly flush all system pipework before commissioning to remove construction debris.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px;\"\u003eCheck and clean the filter cartridge at commissioning (where significant debris may have been released during filling and flushing) and at each annual service visit. If the filter becomes heavily fouled between services, this may indicate a system-wide corrosion or debris issue that warrants further investigation — consider adding an Intatec IntaKlean HP magnetic filter on the same return leg to capture magnetite separately from physical debris.\u003c\/p\u003e\n\u003cdiv style=\"background: #fff8e1; border-left: 4px solid #f59e0b; padding: 12px 16px; margin: 14px 0 24px; font-size: 14px; border-radius: 0 4px 4px 0;\"\u003e\n\u003cstrong style=\"color: #b45309;\"\u003eIsolation valves only — do not use for flow regulation.\u003c\/strong\u003e Ball valves are designed for full open or full closed operation only. Partially open ball valves cause cavitation and seat erosion that permanently damages the valve. For flow rate adjustment and commissioning balancing, use a dedicated flow balancing valve such as the Intatec INFBV2850.\u003c\/div\u003e\n\u003c!-- Accessories table --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eCompatible Accessories \u0026amp; Related Products\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #008377CF; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eCode\u003c\/th\u003e\n\u003cth style=\"padding: 10px 12px; text-align: left; border: 1px solid #006b62;\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eBVF28\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e28mm compression variant for standard domestic pipe systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eBVF01\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eBVF01 (1\" BSP threaded) is the threaded manifold variant of the same valve body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eHPBV35\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e1¼\" Female Swivel × 35mm K-type extended key ball valve — upstream isolation for insulated pipework\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eZERO35\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e35mm Zero anti-freeze valve — pairs with BVF35 for complete circuit protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSUL35BALLVALVE\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003ePrimary Pro pre-formed insulation shell for 35mm \/ 1¼\" ball valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINSULBOND\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003e290ml Bond \u0026amp; Seal — for sealing insulation around valve and pipework\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0faf9;\"\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3; font-weight: bold; color: #008377;\"\u003eINFBV2850\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 12px; border: 1px solid #c8e6e3;\"\u003eIntatec 28mm flow balancing valve with fill \u0026amp; flush — for commissioning flow rate adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- FAQ --\u003e\n\u003ch2 style=\"color: #fff; background: #008377CF; padding: 10px 16px; border-radius: 4px; font-size: 16px; margin: 28px 0 16px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eWhere in the system should the BVF35 be installed?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eInta recommend installing the BVF35 on the return pipework, upstream of the heat pump, so any debris in the circuit is caught before reaching the heat exchanger. The preferred position is at the first accessible indoor point — after the flexible hose enters the building — where the lever and filter cartridge remain accessible for servicing without disturbing the outdoor insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eDoes the BVF35 replace a magnetic filter like the IntaKlean HP?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eThe BVF35's 500µm mesh captures physical particles and debris. A magnetic filter captures magnetite (black iron oxide sludge) which a mesh cannot. For a complete filtration strategy — particularly on systems with steel radiators, which generate magnetite over time — both should be fitted. The BVF filter valve and an IntaKlean HP magnetic filter complement rather than replace each other.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eHow do I clean or replace the filter cartridge?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eClose the ball valve fully, then relieve system pressure at a suitable drain point. Unscrew the filter cartridge housing from the underside of the valve body. Remove the mesh cartridge, rinse under clean water to clear debris, inspect the mesh for damage, and refit. If the mesh is torn or deformed, replace the cartridge with a genuine Intatec replacement part. Inspect at commissioning and at every annual service.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eCan the BVF35 be installed outdoors on the heat pump?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eTechnically the PN25 solid brass body is suitable for outdoor temperatures. However, the lever handle design means the valve cannot be insulated and sealed in the same way as a K-type extended key valve — the lever prevents a sealed insulation envelope. For the outdoor position directly on the heat pump where Part L insulation is required, use the HPBV35 extended key ball valve. The BVF35 is then positioned at the accessible indoor end of the circuit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 14px; border-left: 3px solid #008377CF; padding-left: 14px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #008377cf; margin-bottom: 4px;\"\u003eIs the BVF35 compatible with glycol\/antifreeze solutions?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003eYes — solid brass ball valves are compatible with the glycol-water mixtures used in heat pump systems. The Inta Zero anti-freeze valves on the same circuit are designed specifically for water circuits; if your system uses a significant glycol concentration, confirm compatibility with Intatec's technical team for the complete circuit assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Related products footer --\u003e\n\u003cdiv style=\"background: #008377CF; color: #fff; padding: 16px 20px; border-radius: 4px; margin-top: 32px; font-size: 14px; line-height: 1.9;\"\u003e\n\u003cstrong\u003eRelated Products:\u003c\/strong\u003e\u003cbr\u003eIntatec BVF28 Ball Valve with Filter 28mm compression variant for standard domestic pipe systems | Intatec BVF01 1\" BSP Ball Valve with Filter | Intatec HPBV35 Extended Key Ball Valve | Intatec ZERO35 Anti-Freeze Valve | INSUL35BALLVALVE Insulation Shell | Intatec IntaKlean HP Magnetic Filter | Intatec INFBV2850 Flow Balancing Valve\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":63899574141277,"sku":"BVF35","price":45.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/IntatecBVF35HeatPumpExtendedKeyBallValve_1FemaleSwivelx35mmCompression.webp?v=1773809853"},{"product_id":"intaklean-hp-magnetic-filter-heat-pump-28mm-full-bore-isolation-valves-ikhpmf28-intatec-triple-action-air-source-heat-pump-filter","title":"IntaKlean HP Magnetic Filter Heat Pump 28mm Full Bore Isolation Valves — IKHPMF28 — Intatec Triple-Action Air Source Heat Pump Filter","description":"\u003cdiv style=\"font-size:16px;font-family:Arial,Helvetica,sans-serif;color:#1a1a1a;max-width:900px;margin:0 auto;line-height:1.6;\"\u003e\n  \u003cp style=\"margin:0 0 18px;\"\u003e\n    The \u003cstrong\u003eIntaKlean HP Magnetic Filter (IKHPMF28)\u003c\/strong\u003e is a \u003cstrong\u003especialist triple-action heating system filter specifically engineered for air source heat pump systems\u003c\/strong\u003e, supplied complete with full-bore 28mm compression isolation valves. Unlike standard magnetic filters designed for conventional boiler systems, the IntaKlean HP addresses the different flow rates, operating pressures, and stricter debris-removal requirements of heat pump installations. It combines \u003cstrong\u003e11,000 gauss rare earth neodymium magnetic filtration\u003c\/strong\u003e, a \u003cstrong\u003eunique direct-forced non-ferrous filtration system\u003c\/strong\u003e using multi-layered stainless steel gauze (300 micron fine + 800 micron mesh), and \u003cstrong\u003eautomatic air separation\u003c\/strong\u003e — all in one unit. The 360° rotatable body and any-orientation installation make it straightforward to position regardless of pipework layout.\n  \u003c\/p\u003e\n  \u003cdiv style=\"border-left:4px solid #008377CF;background:#e6f4f3;padding:10px 16px;margin-bottom:22px;border-radius:0 6px 6px 0;\"\u003e\n    \u003cstrong style=\"color:#005c54;\"\u003eℹ Why standard magnetic filters fall short for heat pumps\u003c\/strong\u003e\u003cbr\u003e\n    Air source heat pump systems operate at lower flow temperatures and higher flow rates than gas boilers, and are far more sensitive to particulate contamination in system fluid. Many heat pump manufacturers specify \u003cstrong\u003eminimum filtration standards as a warranty condition\u003c\/strong\u003e — a standard boiler magnetic filter providing only magnetite capture will not satisfy these requirements. The IntaKlean HP's dual-stage non-ferrous gauze filtration actively captures non-magnetic debris (installer flux residue, pipe scale, gasket material) that passes straight through a magnet-only filter.\n  \u003c\/div\u003e\n  \u003cdiv style=\"background:#008377CF;color:#fff;font-weight:600;font-size:15px;padding:10px 16px;border-radius:6px 6px 0 0;\"\u003eFeatures \u0026amp; Benefits\u003c\/div\u003e\n  \u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:12px;background:#e6f4f3;padding:14px;border-radius:0 0 6px 6px;margin-bottom:22px;\"\u003e\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ 11,000 Gauss Neodymium Magnet\u003c\/div\u003e\n      \u003cdiv style=\"font-size:14px;\"\u003eThe \u003cstrong\u003efully removable rare earth neodymium magnet at 11,000 gauss\u003c\/strong\u003e is one of the most powerful available in a residential filter. It draws magnetite and ferrous particles strongly to the centre of the filter body, keeping them securely held even at heat pump flow rates. Because the magnet is \u003cstrong\u003efully removable, the system can be serviced without draining\u003c\/strong\u003e — pull the magnet, wipe the captured debris, reinsert. No drain-down, no system interruption during routine filter maintenance.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ Unique Direct Non-Ferrous Filtration\u003c\/div\u003e\n      \u003cdiv style=\"font-size:14px;\"\u003eMost magnetic filters only capture iron-based (ferrous) particles. The IntaKlean HP adds a \u003cstrong\u003emulti-layered stainless steel gauze insert\u003c\/strong\u003e — with a 300 micron fine layer and an 800 micron mesh layer — through which system fluid is \u003cstrong\u003edirectly forced\u003c\/strong\u003e. This active filtration captures non-ferrous debris (copper fines, flux residue, solder particles, rubber fragments from seals) that would otherwise circulate through the heat pump's heat exchanger and cause fouling or damage to the compressor or refrigerant circuit.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ Air Separation — Manual Air Vent\u003c\/div\u003e\n      \u003cdiv style=\"font-size:14px;\"\u003eThe filter body incorporates an \u003cstrong\u003eintegrated manual air vent\u003c\/strong\u003e that allows trapped air to be released during commissioning and after system disturbance. Air pockets in a heat pump system cause flow noise, reduced performance, and pump cavitation — a particular concern given heat pumps' low noise tolerance. The \u003cstrong\u003elow-profile drain valve\u003c\/strong\u003e on the filter pot allows captured debris to be flushed without disconnecting the unit.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ 360° Rotatable — Any Orientation\u003c\/div\u003e\n      \u003cdiv style=\"font-size:14px;\"\u003eThe filter body can be \u003cstrong\u003erotated through a full 360°\u003c\/strong\u003e after installation, allowing the drain valve and air vent to be positioned for maximum accessibility regardless of the pipework run direction. Combined with any-orientation installation (the filter works vertically, horizontally, or at any angle), the IKHPMF28 can be fitted in virtually any plant room or equipment cupboard layout without additional pipework offsets.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ Full Bore Isolation Valves Included\u003c\/div\u003e\n      \u003cdiv style=\"font-size:14px;\"\u003eSupplied complete with \u003cstrong\u003efull bore 28mm compression ball valves\u003c\/strong\u003e on both inlet and outlet connections. Full bore valves are essential for heat pump installations — restricting valves (such as standard isolation valves with reduced-bore ports) create unnecessary pressure drop and can reduce flow rate below the heat pump manufacturer's minimum requirements. The 28mm compression fittings connect directly to standard copper pipework without additional adaptors.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#008377CF;margin-bottom:5px;\"\u003e✔ Low Pressure Drop\u003c\/div\u003e\n      \u003cdiv style=\"font-size:14px;\"\u003eThe large-mesh gauze area and full-bore design deliver a \u003cstrong\u003eminimal pressure drop across the filter\u003c\/strong\u003e, even as debris accumulates. This is critically important for heat pumps, where the minimum flow rate through the unit is a manufacturer specification — a filter that causes excessive pressure drop reduces flow and can trigger fault codes or compressor protection shutdowns. Maximum working pressure is \u003cstrong\u003e4 bar\u003c\/strong\u003e; suitable for sealed heating systems at typical heat pump operating pressures.\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"background:#008377CF;color:#fff;font-weight:600;font-size:15px;padding:10px 16px;border-radius:6px 6px 0 0;\"\u003eTechnical Specifications\u003c\/div\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;margin-bottom:22px;font-size:14px;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;width:44%;border-bottom:1px solid #c8e6e3;\"\u003eManufacturer \/ Part No.\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eIntatec — \u003cstrong\u003eIKHPMF28\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eConnection Size\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e28mm compression\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eMagnet Strength\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e\n\u003cstrong\u003e11,000 gauss\u003c\/strong\u003e rare earth neodymium\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eNon-Ferrous Filter\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eMulti-layered SS gauze: 300 micron fine + 800 micron mesh\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eMax Working Pressure\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e4 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eInstallation Orientation\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eAny — 360° rotatable body\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eIsolation Valves\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eFull-bore 28mm compression ball valves (supplied)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eAir Vent\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eManual — integrated\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eDrain Valve\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eLow-profile — integrated\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eBody Diameter\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003eØ90mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;border-bottom:1px solid #c8e6e3;\"\u003eOverall Width (inc. valves)\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #c8e6e3;\"\u003e271mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;\"\u003eOverall Height\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;\"\u003e182mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e","brand":"Inta","offers":[{"title":"Default Title","offer_id":64135356875101,"sku":"IKHPMF28","price":137.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/IKHPMF28IntaKleanHPMagneticFilterHeatPump28mmFullBoreIsolationValves.webp?v=1775752306"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/collections\/Inta.webp?v=1772173303","url":"https:\/\/qualityheating.co.uk\/collections\/inta.oembed?page=2","provider":"AIZO Quality Heating","version":"1.0","type":"link"}