{"product_id":"honeywell-home-28mm-motorised-3-port-mid-position-valve-v4073a1088-u-y-plan-diverter-valve","title":"Honeywell Home 28mm Motorised 3 Port Mid-Position Valve | V4073A1088\/U Y-Plan Diverter Valve","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell Home V4073A1088\/U\u003c\/strong\u003e is a \u003cstrong\u003e28 mm 3 port mid-position motorised diverter valve\u003c\/strong\u003e for fully pumped conventional central heating systems controlling both radiator and hot water cylinder circuits. Designed for small to medium installations, it works with room and cylinder thermostats in Sundial Y-plan configurations.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-position operation:\u003c\/strong\u003e Port A (heating), Port B (hot water), Port AB (mid-position for simultaneous flow).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring return action\u003c\/strong\u003e prioritises hot water on power failure for safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerhead replaceable without draining\u003c\/strong\u003e the complete heating system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual lever\u003c\/strong\u003e for easy system filling and draining in MAN OPEN position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical output\u003c\/strong\u003e controls boiler and pump operation automatically.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet operation, minimal 6 W power consumption\u003c\/strong\u003e suitable for domestic use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose Honeywell Home V4073A1088\/U?\u003c\/h2\u003e\n\u003cp\u003eProven industry standard for \u003cstrong\u003eY-plan fully pumped heating systems\u003c\/strong\u003e, offering reliable diverter operation with service-friendly design and comprehensive electrical interlock.\u003c\/p\u003e\n\u003cp\u003eHandles systems up to 90,000 BTU (26 kW) capacity with robust brass construction for long service life.\u003c\/p\u003e\n\u003ch2\u003eSuitable For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSundial Y-plan installations\u003c\/strong\u003e with independent heating\/hot water temperature control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium-sized domestic heating systems\u003c\/strong\u003e with 28 mm primary pipework.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConventional fully pumped boilers\u003c\/strong\u003e requiring precise flow diversion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: \u003cstrong\u003eHoneywell Home by Resideo\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eModel: \u003cstrong\u003eV4073A 3 Port Mid-Position Valve\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMPN: \u003cstrong\u003eV4073A1088\/U\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGTIN: \u003cstrong\u003e5023220401315\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eConnections: \u003cstrong\u003e28 mm compression\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eValve Type: \u003cstrong\u003e3 port mid-position diverter\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBody Material: \u003cstrong\u003eBrass\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply Voltage: \u003cstrong\u003e230 V AC, 50 Hz\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower Consumption: \u003cstrong\u003e6 W\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSwitch Rating: \u003cstrong\u003e2.2 A @ 230 V AC\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMotor Timing: \u003cstrong\u003e≈ 14 seconds\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFluid Temperature: \u003cstrong\u003e5-88 °C\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMax Differential Pressure: \u003cstrong\u003e0.6 bar\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMax Static Pressure: \u003cstrong\u003e8.6 bar\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDimensions (HxWxD): \u003cstrong\u003e137 x 117 x 60 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight: \u003cstrong\u003e1.3 kg\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eWarranty: \u003cstrong\u003e1 year\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation \u0026amp; Wiring\u003c\/h2\u003e\n\u003cp\u003eHorizontal or vertical pipe mounting with powerhead above horizontal centreline. Uses 8-core flying lead for connection to Sundial Plan Wiring Centre or 10-way junction box. Grey (A), orange (B), and white (AB) wires provide precise 3-position control with dedicated power and switch terminals.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":62799282241885,"sku":"V4073A1088","price":139.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/HoneywellHomeMotorised3PortMid-PositionValve.jpg?v=1764917727","url":"https:\/\/qualityheating.co.uk\/products\/honeywell-home-28mm-motorised-3-port-mid-position-valve-v4073a1088-u-y-plan-diverter-valve","provider":"AIZO Quality Heating","version":"1.0","type":"link"}