{"product_id":"vaillant-vc-126-306-vci-196-246-vcw-196-246-boiler-pcb-0020092478","title":"Vaillant VC 126-306 VCI 196-246 VCW 196-246 Boiler PCB 0020092478","description":"\u003ch1 data-section-id=\"1kdagqa\" data-start=\"0\" data-end=\"75\"\u003eVaillant VC 126-306 VCI 196-246 VCW 196-246 Boiler PCB 0020092478 \u003c\/h1\u003e\n\u003ch2 data-section-id=\"1p927wt\" data-start=\"77\" data-end=\"96\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"98\" data-end=\"484\"\u003eThe Vaillant VC 126-306 VCI 196-246 VCW 196-246 Boiler PCB 0020092478 is a electronic control board used within Vaillant heating appliances. The PCB (Printed Circuit Board) forms part of the boiler's control system and is responsible for managing and monitoring various appliance functions to ensure safe and efficient operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"486\" data-end=\"719\"\u003eAs part of the boiler's electrical control system, this component helps facilitate communication between key boiler components and supports the appliance's normal heating and hot water operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"hydede\" data-start=\"721\" data-end=\"754\"\u003eℹ️ Product Condition Options:\u003c\/h3\u003e\n\u003cp data-start=\"756\" data-end=\"982\"\u003eThis item may be available in a \u003cstrong\u003erefurbished \u003c\/strong\u003econdition. Please select your desired option from the dropdown menu above. All refurbished components are professionally inspected to ensure reliability and performance.\u003c\/p\u003e\n\u003ch2 data-section-id=\"12yrgen\" data-start=\"984\" data-end=\"1036\"\u003eTechnical Insight \u0026amp; Common Servicing Requirements\u003c\/h2\u003e\n\u003cp data-start=\"1038\" data-end=\"1318\"\u003ePrinted circuit boards are critical electronic components found within modern boiler systems and are continually exposed to operational demands, electrical loads, and environmental conditions. Over time, electronic components may develop faults that can affect boiler performance.\u003c\/p\u003e\n\u003cp data-start=\"1320\" data-end=\"1411\"\u003eDuring routine servicing or repair work, engineers may inspect PCB assemblies for signs of:\u003c\/p\u003e\n\u003cul data-start=\"1413\" data-end=\"1653\"\u003e\n\u003cli data-section-id=\"gugew6\" data-start=\"1413\" data-end=\"1446\"\u003eBoiler lockouts or fault codes.\u003c\/li\u003e\n\u003cli data-section-id=\"ol7t2j\" data-start=\"1447\" data-end=\"1481\"\u003eIntermittent operational issues.\u003c\/li\u003e\n\u003cli data-section-id=\"1gy8dnk\" data-start=\"1482\" data-end=\"1535\"\u003eFailure to respond to heating or hot water demands.\u003c\/li\u003e\n\u003cli data-section-id=\"u4xw81\" data-start=\"1536\" data-end=\"1594\"\u003eDamaged electrical connections or electronic components.\u003c\/li\u003e\n\u003cli data-section-id=\"142wdj6\" data-start=\"1595\" data-end=\"1653\"\u003ePreventative replacement during major repair procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1655\" data-end=\"1794\"\u003eA faulty PCB can affect boiler operation, potentially resulting in reduced performance, operational faults, or complete appliance shutdown.\u003c\/p\u003e\n\u003ch2 data-section-id=\"14bu82z\" data-start=\"1796\" data-end=\"1812\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp data-start=\"1814\" data-end=\"1937\"\u003eThis PCB (MPN: \u003cstrong data-start=\"1829\" data-end=\"1843\"\u003e0020092478\u003c\/strong\u003e) is suitable for use in the following Vaillant boilers: \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"1939\" data-end=\"2035\"\u003e\n\u003cli data-section-id=\"mttj0v\" data-start=\"1939\" data-end=\"1962\"\u003eVC 126-306\/3-5 (R3.5)\u003c\/li\u003e\n\u003cli data-section-id=\"1utihim\" data-start=\"1963\" data-end=\"1987\"\u003eVCI 196+246\/3-5 (R3.5)\u003c\/li\u003e\n\u003cli data-section-id=\"1cizc9\" data-start=\"1988\" data-end=\"2010\"\u003eVCW 196\/3-5 A (R3-5)\u003c\/li\u003e\n\u003cli data-section-id=\"1i7tfg0\" data-start=\"2011\" data-end=\"2035\"\u003eVCW 196+246\/3-5 (R3.5)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2037\" data-end=\"2214\"\u003ePlease verify the manufacturer part number against your boiler's technical documentation, spare parts catalogue, or existing component before ordering to ensure correct fitment.\u003c\/p\u003e\n\u003ch2 data-section-id=\"nl3dl1\" data-start=\"2216\" data-end=\"2232\"\u003eSafety Advice\u003c\/h2\u003e\n\u003cp data-start=\"2234\" data-end=\"2382\"\u003e\u003cstrong data-start=\"2234\" data-end=\"2248\"\u003eImportant:\u003c\/strong\u003e Inspection, servicing, and replacement of boiler components should only be carried out by a qualified and competent heating engineer.\u003c\/p\u003e\n\u003cp data-start=\"2384\" data-end=\"2746\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eBoilers contain electrical components, gas-carrying parts, and pressurised systems. Always isolate the appliance and follow the manufacturer's instructions before carrying out any maintenance or repair work. Installation and commissioning should be performed in accordance with current regulations and manufacturer guidance.\u003c\/p\u003e","brand":"National Boiler Spares","offers":[{"title":"Refurbished \/ Direct Sale","offer_id":43941613142119,"sku":"N9525-1","price":75.0,"currency_code":"GBP","in_stock":false},{"title":"Refurbished \/ Repair Service","offer_id":43941613174887,"sku":"N9525-2","price":60.0,"currency_code":"GBP","in_stock":true},{"title":"Refurbished \/ Advance Replacement Service","offer_id":43941613207655,"sku":"N9525-3","price":90.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/edited-photo_15.jpg?v=1781619956","url":"https:\/\/nationalboilerspares.co.uk\/products\/vaillant-vc-126-306-vci-196-246-vcw-196-246-boiler-pcb-0020092478","provider":"National Boiler Spares","version":"1.0","type":"link"}