{"product_id":"ehs-flex-7kw-range-rateable-electric-system-boiler-als1-1psy-7f-5-yr-warranty","title":"EHS Flex 7kW Range-Rateable Electric System Boiler | ALS1-1PSY-7F | 5-Yr Warranty","description":"\u003c!-- SEO Product Name: EHS Flex 7kW Range-Rateable Electric System Boiler | ALS1-1PSY-7F | 5-Yr Warranty --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; color:#222; line-height:1.6;\"\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eEHS Flex 7kW Electric System Boiler\u003c\/strong\u003e is a compact, \u003cstrong\u003erange-rateable\u003c\/strong\u003e heat-only electric boiler for wet central heating or underfloor heating systems. It connects directly into existing radiator or UFH pipework in place of a gas system boiler, needs \u003cstrong\u003eno flue and no gas supply\u003c\/strong\u003e, and heats the home purely from a standard single-phase electricity supply.\u003c\/p\u003e\n\u003cp\u003eAs part of EHS's current Flex platform, this model can have its \u003cstrong\u003emaximum heating output configured by a qualified installer\u003c\/strong\u003e to match the exact heat loss of the property, rather than needing a different fixed-output boiler for every size of home. Paired with a separate unvented indirect cylinder, it can also support mains-pressure domestic hot water on smaller, lower-demand properties.\u003c\/p\u003e\n\n\u003cdiv style=\"border-top:2px solid #008377CF; margin:28px 0;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:12px; margin:24px 0;\"\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#f4fbfa; border:1px solid #008377CF; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; color:#008377CF;\"\u003e7 kW\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#333; margin-top:4px;\"\u003eMax heating output\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#f4fbfa; border:1px solid #008377CF; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; color:#008377CF;\"\u003e230V\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#333; margin-top:4px;\"\u003eSingle-phase supply\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#f4fbfa; border:1px solid #008377CF; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; color:#008377CF;\"\u003eRange-Rated\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#333; margin-top:4px;\"\u003eConfigurable down to 2.3kW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#f4fbfa; border:1px solid #008377CF; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; color:#008377CF;\"\u003e19 kg\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#333; margin-top:4px;\"\u003eNet weight\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#f4fbfa; border:1px solid #008377CF; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; color:#008377CF;\"\u003e585×380×235mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#333; margin-top:4px;\"\u003eH × W × D\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#f4fbfa; border:1px solid #008377CF; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; color:#008377CF;\"\u003e5 Yrs\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; color:#333; margin-top:4px;\"\u003eManufacturer warranty*\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9; border-left:4px solid #008377CF; border-radius:6px; padding:16px 18px; margin:20px 0;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eHow it fits your system\u003c\/div\u003e\n\u003cdiv style=\"color:#222;\"\u003e\n\u003cp style=\"margin:0 0 8px 0;\"\u003eThe \u003cstrong\u003eFlex 7kW\u003c\/strong\u003e connects to existing radiator or underfloor heating flow-and-return pipework in place of a gas system boiler, with no need to resize radiators or re-pipe the property. It is \u003cstrong\u003eheating-only\u003c\/strong\u003e — domestic hot water requires a separate cylinder connected to the same circuit.\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eBecause it is \u003cstrong\u003erange-rateable\u003c\/strong\u003e, a qualified installer can set its maximum output anywhere between roughly 2.3kW and 7kW to closely match the property's heat loss, reducing short-cycling and wasted running costs compared to a fixed-output boiler that's oversized for the job.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fff8e6; border-left:4px solid #b8860b; border-radius:6px; padding:16px 18px; margin:20px 0;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#b8860b; margin-bottom:6px;\"\u003eInstallation requirements\u003c\/div\u003e\n\u003cdiv style=\"color:#222;\"\u003e\n\u003cp style=\"margin:0 0 8px 0;\"\u003e\u003cstrong\u003eRange rating must only be carried out by a qualified electrical installer\u003c\/strong\u003e via EHS's online installer support portal — the cable size and circuit protection must always match the maximum output the boiler could deliver, not the de-rated setting.\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eAn \u003cstrong\u003eautomatic bypass valve (ABV)\u003c\/strong\u003e and an external \u003cstrong\u003einline magnetic filter\u003c\/strong\u003e must be fitted on every installation; omitting either can trigger boiler fault codes and will affect the manufacturer's warranty. The boiler must be filled and pressure-tested before any electrical connection is made.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:14px; margin:24px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:260px; border:1px solid #e0e6e5; border-radius:8px; padding:16px 18px; background:#fff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:8px; font-size:15px;\"\u003eRange-rateable output\u003c\/div\u003e\n\u003cdiv style=\"color:#333; font-size:14.5px;\"\u003eMaximum heating power can be configured by a qualified installer from roughly 2.3kW up to the full 7kW, letting one boiler cover a wider range of heat loss calculations.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:260px; border:1px solid #e0e6e5; border-radius:8px; padding:16px 18px; background:#fff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:8px; font-size:15px;\"\u003eIntegrated pump \u0026amp; expansion vessel\u003c\/div\u003e\n\u003cdiv style=\"color:#333; font-size:14.5px;\"\u003eA circulating pump and 5-litre expansion vessel are built into the casing, along with pressure and flow sensors, reducing the ancillary parts an installer needs to source.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:260px; border:1px solid #e0e6e5; border-radius:8px; padding:16px 18px; background:#fff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:8px; font-size:15px;\"\u003eNo flue or gas supply\u003c\/div\u003e\n\u003cdiv style=\"color:#333; font-size:14.5px;\"\u003eFully electric operation removes combustion risk entirely — no carbon monoxide exposure and far more flexibility over where the unit can be sited.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:260px; border:1px solid #e0e6e5; border-radius:8px; padding:16px 18px; background:#fff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:8px; font-size:15px;\"\u003eTouch-screen control panel\u003c\/div\u003e\n\u003cdiv style=\"color:#333; font-size:14.5px;\"\u003eFront-mounted digital display with clear on\/off, mode, and temperature controls, plus a boiler lock to prevent unauthorised or accidental adjustment.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:260px; border:1px solid #e0e6e5; border-radius:8px; padding:16px 18px; background:#fff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:8px; font-size:15px;\"\u003eBuilt-in frost protection\u003c\/div\u003e\n\u003cdiv style=\"color:#333; font-size:14.5px;\"\u003eTwo-stage frost protection automatically runs the pump and heat exchanger if the internal temperature drops too low, protecting the system when power remains connected.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; min-width:260px; border:1px solid #e0e6e5; border-radius:8px; padding:16px 18px; background:#fff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:8px; font-size:15px;\"\u003eCompact, wall-mounted design\u003c\/div\u003e\n\u003cdiv style=\"color:#333; font-size:14.5px;\"\u003eAt 585 × 380 × 235mm and around 19kg net, the unit mounts on six fixing points and needs only 100mm clearance on each side for servicing.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-top:2px solid #008377CF; margin:28px 0;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #e6ebea; border-radius:6px; overflow:hidden; margin-bottom:22px;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; padding:10px 14px; border-radius:6px 6px 0 0; font-size:15px;\"\u003eBoiler Details\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eBrand\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003eEHS Flex\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#ffffff; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eManufacturer\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003eElectric Heating Systems Ltd (EHS)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eModel\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e7kW EHS Flex System Boiler\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#ffffff; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eSKU \/ Part Code\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e\u003cstrong\u003eALS1-1PSY-7F\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eProduct Type\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003eElectric system boiler — heating only, range-rateable\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#ffffff; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eHeating Power\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e\n\u003cstrong\u003e7 kW\u003c\/strong\u003e maximum, single-phase (configurable from 2.3kW)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eHot Water Power\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003eN\/A — heating only; requires a separate indirect cylinder for DHW\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #e6ebea; border-radius:6px; overflow:hidden; margin-bottom:22px;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; padding:10px 14px; border-radius:6px 6px 0 0; font-size:15px;\"\u003eElectrical \u0026amp; Installation\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eElectrical Supply\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e230V AC, single-phase, 50Hz\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#ffffff; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eRated Current @ Full Output\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e26 A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eMinimum MCB \/ RCBO\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e32 A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#ffffff; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eMinimum Cable Size\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e6 mm² (3-core)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eRange Rating\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003eField-configurable in steps from 2.3kW to 7kW via EHS installer portal — qualified electrician only\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#ffffff; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eIP Rating\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003eIPX1\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eFlue Requirement\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003eNone — no flue or gas connection needed\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #e6ebea; border-radius:6px; overflow:hidden; margin-bottom:22px;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; padding:10px 14px; border-radius:6px 6px 0 0; font-size:15px;\"\u003ePlumbing \u0026amp; Physical\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eFlow \u0026amp; Return Connection\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003eG3\/4\" male thread\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#ffffff; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eOperating Water Pressure\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e1–3 bar\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eExpansion Vessel Capacity\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e5 litres, internal\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#ffffff; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eHeating Flow Temperature Range\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e30–80°C (radiators) \/ 30–60°C (underfloor heating)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eHeight\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e585 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#ffffff; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eWidth\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e380 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eDepth\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e235 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#ffffff; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eNet Weight\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e19 kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #e6ebea; border-radius:6px; overflow:hidden; margin-bottom:22px;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; padding:10px 14px; border-radius:6px 6px 0 0; font-size:15px;\"\u003eServicing \u0026amp; Support\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eAnnual Service\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003eRecommended and required to maintain full warranty cover\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#ffffff; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eRequired Ancillaries\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003eAutomatic bypass valve and external inline magnetic filter (both mandatory for warranty)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#f4fbfa; border-bottom:1px solid #e6ebea;\"\u003e\n\u003cdiv style=\"flex:0 0 42%; padding:10px 14px; font-weight:600; color:#333;\"\u003eWarranty*\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; color:#222;\"\u003e\n\u003cstrong\u003e5 years\u003c\/strong\u003e when registered with EHS within 30 days of installation (2 years parts \u0026amp; labour, plus 3 years parts only); unregistered installs default to 1 year parts \u0026amp; labour only\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-top:2px solid #008377CF; margin:28px 0;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-top:30px;\"\u003e\n\u003cdiv style=\"font-weight:700; font-size:17px; color:#008377CF; margin-bottom:14px;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdetails style=\"margin-bottom:10px; border:1px solid #e6ebea; border-radius:6px; overflow:hidden;\"\u003e\n\u003csummary style=\"background:#008377CF; color:#fff; font-weight:700; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eDoes the EHS Flex 7kW boiler provide hot water on its own?\u003c\/summary\u003e\n\u003cdiv style=\"padding:14px 16px; color:#222; background:#fff;\"\u003eNo. This is a heating-only system boiler with no built-in hot water power. Domestic hot water needs a separate indirect cylinder connected to the same heating circuit.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:10px; border:1px solid #e6ebea; border-radius:6px; overflow:hidden;\"\u003e\n\u003csummary style=\"background:#008377CF; color:#fff; font-weight:700; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eWhat does 'range-rateable' actually mean for this boiler?\u003c\/summary\u003e\n\u003cdiv style=\"padding:14px 16px; color:#222; background:#fff;\"\u003eThe boiler's maximum heating output can be configured by a qualified installer to a lower setting than its full 7kW, so it can be matched more precisely to a property's calculated heat loss. This is done through EHS's online installer support portal and must only be carried out by a qualified electrical installer.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:10px; border:1px solid #e6ebea; border-radius:6px; overflow:hidden;\"\u003e\n\u003csummary style=\"background:#008377CF; color:#fff; font-weight:700; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eDo I need to change my radiators or pipework to fit this boiler?\u003c\/summary\u003e\n\u003cdiv style=\"padding:14px 16px; color:#222; background:#fff;\"\u003eNo. It connects to existing radiator or underfloor heating flow-and-return pipework via G3\/4\" connections in place of a gas system boiler, so current radiators or UFH loops don't need to be replaced.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:10px; border:1px solid #e6ebea; border-radius:6px; overflow:hidden;\"\u003e\n\u003csummary style=\"background:#008377CF; color:#fff; font-weight:700; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eWhat electrical supply does the Flex 7kW need?\u003c\/summary\u003e\n\u003cdiv style=\"padding:14px 16px; color:#222; background:#fff;\"\u003eA 230V single-phase supply with a minimum 32A MCB\/RCBO and 6mm² cable at full 7kW output. An electrician should always carry out a load and voltage test before installation to confirm the property's supply is adequate.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:10px; border:1px solid #e6ebea; border-radius:6px; overflow:hidden;\"\u003e\n\u003csummary style=\"background:#008377CF; color:#fff; font-weight:700; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eIs a flue or gas connection required?\u003c\/summary\u003e\n\u003cdiv style=\"padding:14px 16px; color:#222; background:#fff;\"\u003eNo. As a fully electric boiler it needs no flue and no gas supply, which removes carbon monoxide risk and gives much greater flexibility over where it can be sited in the property.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:10px; border:1px solid #e6ebea; border-radius:6px; overflow:hidden;\"\u003e\n\u003csummary style=\"background:#008377CF; color:#fff; font-weight:700; padding:12px 16px; cursor:pointer; list-style:none;\"\u003eWhat do I need to do to get the full 5-year warranty?\u003c\/summary\u003e\n\u003cdiv style=\"padding:14px 16px; color:#222; background:#fff;\"\u003eThe boiler must be registered with EHS within 30 days of installation, fitted exactly per the manufacturer's installation manual — including an automatic bypass valve and external magnetic filter — and serviced annually by a qualified engineer. Missing the registration window resets cover to 1 year parts and labour only.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"EHS","offers":[{"title":"Default Title","offer_id":65934775714141,"sku":"ALS1-1PSY-7F","price":1100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/EHSPrimusElectricSystemBoiler.webp?v=1767108933","url":"https:\/\/qualityheating.co.uk\/products\/ehs-flex-7kw-range-rateable-electric-system-boiler-als1-1psy-7f-5-yr-warranty","provider":"AIZO Quality Heating","version":"1.0","type":"link"}