{"product_id":"optimum-22mm-valve-mid-position-3-port-motorised-central-heating-boiler-system-control","title":"Optimum 22mm Valve Mid Position 3 Port Motorised Central Heating \/ Boiler System Control","description":"\u003cp\u003e\u003cstrong\u003eOptimum 22mm Central Heating \/ Boiler 3 Port Mid-Position Valve\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBrand new, genuine original Optimum 3 port spring return mid-position valve with 22mm compression fittings and 220 - 240V AC switched output. This is for use on fully pumped systems which when correctly wired with an appropriate room thermostat, cylinder thermostat and programmer will control the water flow from the boiler to either to hot water only, heating only, or to both simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSpecifications:\u003c\/span\u003e\u003cbr\u003eSupply Voltage: 220 - 240V AC 50Hz\u003cbr\u003ePower Consumption: 6W\u003cbr\u003eOperating Temperature Range: +5 to +88°C\u003cbr\u003eCable Length: 1 Metre\u003cbr\u003eMax. Differential Pressure: = 1Bar\u003cbr\u003eMax. Static Pressure: 10.0 Bar\u003cbr\u003eMax. Fluid Temperature: 100°C\u003cbr\u003eMax. Ambient Temperature: 52°C\u003cbr\u003eCan be vertically or horizontally mounted\u003cbr\u003eCompression fittings included\u003cbr\u003eAuxiliary switch\u003cbr\u003eSwitch rating 3A resistive\u003cbr\u003eIntegrated manual lever for commissioning purposes\u003cbr\u003eInstallation instructions included\u003cbr\u003eArrives boxed\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstallation:\u003c\/span\u003e\u003cbr\u003eBefore fitting the valve, read through the included plumbing and wiring instructions. When replacing the valve actuator only, set the Auto \/ Manual lever to the “Manual Open” position before removal. On the replacement actuator set the Auto \/ Manual lever to “Manual Open” position before fitting.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eWiring:\u003c\/span\u003e\u003cbr\u003eAll wiring should be carried out to IEE Regulations\u003cbr\u003eWhite: Room Thermostat Call \/ Heating On\u003cbr\u003eGrey: Cylinder Thermostat Sat \/ Hot Water Off\u003cbr\u003eOrange: Cylinder Thermostat Call \/ Boiler and Pump\u003cbr\u003eBlue: Neutral\u003cbr\u003eGreen \u0026amp; Yellow: Earth\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePlumbing:\u003c\/span\u003e\u003cbr\u003eWhen connecting to pipe work do not use the actuator for leverage. Valves should be held by wrench flats on body. Place the AUTO \/ MAN lever in the MAN position when filling, venting or draining the system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e***IMPORTANT: All controls must be earthed. All valves should have a means of disconnection from electrical mains supply which incorporates a contact separation of at least 3mm in all Poles. All wiring must be carried out by a competent electrician.***\u003c\/strong\u003e\u003c\/p\u003e","brand":"Optimum","offers":[{"title":"Default Title","offer_id":53464590221687,"sku":"OP-MID","price":44.45,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0322\/4263\/0701\/files\/OP-MID_a.jpg?v=1727968083","url":"https:\/\/spires2go.com\/products\/optimum-22mm-valve-mid-position-3-port-motorised-central-heating-boiler-system-control","provider":"SPARES2GO","version":"1.0","type":"link"}