{"product_id":"honeywell-home-22mm-motorised-3-port-mid-position-valve-v4073a1039-u-y-plan-diverter-valve","title":"Honeywell Home 22mm Motorised 3 Port Mid-Position Valve - V4073A1039\/U Y-Plan Diverter Valve","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell Home V4073A1039\/U\u003c\/strong\u003e is a \u003cstrong\u003e22 mm 3 port mid-position motorised diverter valve\u003c\/strong\u003e designed for conventional fully pumped central heating systems with both radiator and hot water cylinder circuits. This Sundial Y-plan valve provides precise flow control between heating, hot water, and simultaneous operation modes using room and cylinder thermostats.\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 both).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring return action\u003c\/strong\u003e defaults to hot water priority on power failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerhead replaceable without system drain-down\u003c\/strong\u003e for easy maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual lever\u003c\/strong\u003e for system filling and draining in MAN OPEN position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical output\u003c\/strong\u003e to control boiler and pump operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet operation with minimal 6 W power consumption\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose Honeywell Home V4073A1039\/U?\u003c\/h2\u003e\n\u003cp\u003eIndustry standard for \u003cstrong\u003eY-plan fully pumped systems\u003c\/strong\u003e, this valve offers proven reliability with serviceable design and comprehensive electrical interlock for safe boiler\/pump operation.\u003c\/p\u003e\n\u003cp\u003ePerfect for small to medium domestic installations requiring independent temperature control of heating and hot water circuits.\u003c\/p\u003e\n\u003ch2\u003eSuitable For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSundial Y-plan systems\u003c\/strong\u003e with room and cylinder thermostats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully pumped conventional heating\u003c\/strong\u003e installations up to 90,000 BTU (26 kW).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall to medium homes\u003c\/strong\u003e with 22 mm pipework.\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\u003eV4073A1039\/U\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGTIN: \u003cstrong\u003e5023220400356\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eConnections: \u003cstrong\u003e22 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 resistive\/inductive)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTiming: \u003cstrong\u003eMotorised movement ~14 seconds\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFluid Temperature Range: \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\u003eCable: \u003cstrong\u003e1 m heat-resistant flying lead (8-core)\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\u003eDesigned for horizontal or vertical pipe mounting with powerhead positioned above horizontal pipe centreline. Compatible with Honeywell Sundial Plan Wiring Centre or 10-way junction box. 8-core cable provides dedicated connections for grey (A), orange (B), white (AB) control wires plus power and switch outputs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":62799272149341,"sku":"V4073A1039","price":113.0,"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-22mm-motorised-3-port-mid-position-valve-v4073a1039-u-y-plan-diverter-valve","provider":"AIZO Quality Heating","version":"1.0","type":"link"}