{"product_id":"drayton-22mm-motorised-3-port-mid-position-valve-with-snap-on-actuator","title":"Drayton 22mm Motorised 3 Port Mid-Position Valve with Snap-On Actuator","description":"\u003cdiv class=\"product-section\"\u003e\n\u003cp\u003e\u003cstrong\u003eDrayton 22mm Motorised 3 Port Mid-Position Valve \u0026amp; Snap-On Actuator (5 Wire SPST Switch) – MPN 27101\u003c\/strong\u003e is a motorised 3-port mid-position valve designed for domestic Y-Plan central heating systems. It directs flow from a single common inlet to either heating, hot water, or both circuits simultaneously, using a 22mm compression brass valve body and a low-energy 230V snap-on actuator with 5-core wiring.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-port mid-position design\u003c\/strong\u003e – one common inlet and two outlets (A and B) to serve heating only, hot water only, or both at once.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e22mm compression connections\u003c\/strong\u003e – standard domestic primary pipe size with easy-to-install compression fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnap-on actuator\u003c\/strong\u003e – actuator can be released using a push-button and removed without draining the system, simplifying servicing and replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-wire SPST switching\u003c\/strong\u003e – supplied with 5-core cable and an integral switch suitable for standard Y-Plan wiring centres.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMid-position operation\u003c\/strong\u003e – capable of holding a central position to provide simultaneous flow to heating and hot water when demanded.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring-return mechanism\u003c\/strong\u003e – spring returns the valve to a safe position on power loss, enhancing reliability and safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual lever and position indicator\u003c\/strong\u003e – manual lever for override and system filling, with a clear visual indicator of valve position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable design\u003c\/strong\u003e – motor and complete actuator are replaceable, reducing long-term maintenance costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Range:\u003c\/strong\u003e Drayton – Motorised Mid-Position Valve range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part:\u003c\/strong\u003e MA1\/679-3 mid-position valve and actuator, Part No. 27101, SKU 6685.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve type:\u003c\/strong\u003e 3-port mid-position (Y-Plan) zone valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e 22mm compression for copper tube.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve body material:\u003c\/strong\u003e brass forging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor voltage \/ power:\u003c\/strong\u003e 230V AC, 50Hz, approximately 5W synchronous motor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow options:\u003c\/strong\u003e hot water only, heating only, or combined mid-position for both circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum static pressure:\u003c\/strong\u003e 8.6 bar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum differential pressure:\u003c\/strong\u003e up to around 0.7 bar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater temperature range:\u003c\/strong\u003e 2°C to 93°C; maximum ambient temperature 52°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable:\u003c\/strong\u003e approximately 1m, 5-core flex.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch rating:\u003c\/strong\u003e typically 24–230V AC, 3(1)A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate dimensions:\u003c\/strong\u003e height about 150mm, width around 124mm, depth about 70mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e designed to meet EN 60730-1 and related automatic electrical control standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eY-Plan domestic heating systems providing independent and combined control of central heating and stored hot water from a single 3-port valve.\u003c\/li\u003e\n\u003cli\u003eReplacement for existing 22mm Drayton or compatible mid-position 3-port valves in conventional vented or sealed systems.\u003c\/li\u003e\n\u003cli\u003eSystems requiring flexible flow control with mid-position capability for improved comfort and energy efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the valve with the flow arrow in the correct direction and ensure the common port and A\/B outlets are connected to the appropriate circuits, using clean, deburred pipework and correctly tightened compression joints.\u003c\/li\u003e\n\u003cli\u003eFit or remove the snap-on actuator after pressure testing where possible, and always isolate mains power before any electrical or actuator work.\u003c\/li\u003e\n\u003cli\u003eWire the valve using the standard Y-Plan 3-port valve 5-core diagram via a suitable wiring centre, interlocked with room and cylinder thermostats and the programmer\/boiler.\u003c\/li\u003e\n\u003cli\u003eLocate the valve and actuator where the manual lever, cable entry and position indicator remain accessible for commissioning, servicing and fault-finding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drayton Controls","offers":[{"title":"Default Title","offer_id":62858110042461,"sku":"27101","price":63.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/Drayton22mmMotorised3PortMid-PositionValve_Snap-OnActuator_5WireSPSTSwitch.jpg?v=1765526907","url":"https:\/\/qualityheating.co.uk\/products\/drayton-22mm-motorised-3-port-mid-position-valve-with-snap-on-actuator","provider":"AIZO Quality Heating","version":"1.0","type":"link"}