{"product_id":"vaillant-turbomax-vuw-242-1e-282-1e-diverter-valve-repair-kit-140352-oem","title":"VAILLANT TURBOMAX VUW 242\/1E \u0026 282\/1E DIVERTER VALVE REPAIR KIT 140352 ( OEM )","description":"\u003ch1\u003e\u003cspan\u003eVaillant TURBOmax VUW 242\/1E 282\/1E Diverter Valve Repair Kit 140352 OEM\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVaillant Diverter Valve Repair Kit (Part Number: 140352)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a service kit designed for the diverter valve assembly fitted to selected \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVaillant TURBOmax VUW 242\/1E and 282\/1E\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e combination boilers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe kit is intended for servicing and repairing components within the diverter valve mechanism, which directs heated water between the central heating and domestic hot water circuits according to boiler demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt provides a repair option for the existing diverter valve assembly where the relevant internal components have deteriorated or become damaged, subject to professional inspection and diagnosis.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is a diverter valve repair kit rather than a complete diverter valve assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eℹ️ Product Condition Options:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part may be available in \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eRefurbished\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e condition. Please select your desired option from the dropdown menu above. All supplied components should be inspected to confirm their condition and suitability before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe diverter valve is a hydraulic component responsible for directing heated water to the appropriate circuit when the boiler receives central heating or domestic hot water demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOver time, internal diaphragms, seals and other moving components may deteriorate, potentially affecting valve movement, sealing and water distribution.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePossible symptoms that may indicate a diverter valve or associated hydraulic problem include:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDomestic hot water failing to reach the required temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCentral heating failing to operate correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRadiators warming unexpectedly during domestic hot water demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntermittent domestic hot water performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDiverter valve sticking or failing to change position correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWater leakage around the diverter valve assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDeteriorated diaphragms, seals or other internal valve components.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIncorrect distribution of heated water between the heating and hot water circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThese symptoms do \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot necessarily confirm a faulty diverter valve\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as similar problems may result from circulation issues, electrical controls, flow detection components or other hydraulic faults. Correct professional diagnosis should be carried out before fitting the repair kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSafety Advice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eBoiler diverter valve repair kits and associated hydraulic components should only be installed by a suitably qualified Gas Safe registered engineer who is competent to work on the relevant appliance.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eAlways isolate the appliance's electrical supply and relevant water connections before carrying out any work. Allow the system to cool and safely release residual pressure before dismantling the diverter valve.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eFollow the manufacturer's servicing instructions and ensure that all supplied components are correctly installed. Appropriate leakage, pressure, water circulation and operational safety checks must be completed before returning the boiler to service.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"VAILLANT","offers":[{"title":"New Other","offer_id":51463712768103,"sku":"N7195","price":55.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/edited-photo-2026-11-09T140828.860.jpg?v=1794233318","url":"https:\/\/nationalboilerspares.co.uk\/products\/vaillant-turbomax-vuw-242-1e-282-1e-diverter-valve-repair-kit-140352-oem","provider":"National Boiler Spares","version":"1.0","type":"link"}