{"product_id":"vail-0020009871-imm-heater","title":"VAILLANT 0020009871 IMMERSION HEATER","description":"\u003cp data-end=\"532\" data-start=\"191\"\u003eThe \u003cstrong data-end=\"218\" data-start=\"195\"\u003eVaillant 0020009871\u003c\/strong\u003e is a genuine OEM \u003cstrong data-end=\"264\" data-start=\"236\"\u003eimmersion heater element\u003c\/strong\u003e designed for use in compatible Vaillant hot water cylinders, storage combi units, and thermal stores. This high-performance heating element provides reliable, efficient water heating, either as a primary heat source or as a backup\/boost function in dual-heat systems.\u003c\/p\u003e\n\u003cp data-end=\"785\" data-start=\"534\"\u003eA failing immersion heater may cause slow heating, no hot water, tripped safety devices, or inconsistent temperature performance. Replacing it with this genuine Vaillant component ensures safe operation, fast recovery times, and long-term reliability.\u003c\/p\u003e\n\u003cp data-end=\"806\" data-start=\"787\"\u003e\u003cstrong data-end=\"804\" data-start=\"787\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1163\" data-start=\"807\"\u003e\n\u003cli data-end=\"856\" data-start=\"807\"\u003e\n\u003cp data-end=\"856\" data-start=\"809\"\u003e\u003cstrong data-end=\"854\" data-start=\"809\"\u003eGenuine Vaillant immersion heater element\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"906\" data-start=\"857\"\u003e\n\u003cp data-end=\"906\" data-start=\"859\"\u003eProvides efficient and reliable water heating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"951\" data-start=\"907\"\u003e\n\u003cp data-end=\"951\" data-start=\"909\"\u003eSuitable for primary or backup operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1013\" data-start=\"952\"\u003e\n\u003cp data-end=\"1013\" data-start=\"954\"\u003eManufactured to Vaillant OEM quality and safety standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1059\" data-start=\"1014\"\u003e\n\u003cp data-end=\"1059\" data-start=\"1016\"\u003eDurable, corrosion-resistant construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1106\" data-start=\"1060\"\u003e\n\u003cp data-end=\"1106\" data-start=\"1062\"\u003eHelps resolve hot water performance issues\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1163\" data-start=\"1107\"\u003e\n\u003cp data-end=\"1163\" data-start=\"1109\"\u003eDirect-fit replacement for professional installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1168\" data-start=\"1165\"\u003e\n\u003ch3 data-end=\"1191\" data-start=\"1170\"\u003e\u003cstrong data-end=\"1191\" data-start=\"1174\"\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1256\" data-start=\"1192\"\u003eThe \u003cstrong data-end=\"1236\" data-start=\"1196\"\u003eVaillant 0020009871 Immersion Heater\u003c\/strong\u003e is compatible with:\u003c\/p\u003e\n\u003cul data-end=\"1454\" data-start=\"1258\"\u003e\n\u003cli data-end=\"1302\" data-start=\"1258\"\u003e\n\u003cp data-end=\"1302\" data-start=\"1260\"\u003eSelected \u003cstrong data-end=\"1300\" data-start=\"1269\"\u003eVaillant unvented cylinders\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1343\" data-start=\"1303\"\u003e\n\u003cp data-end=\"1343\" data-start=\"1305\"\u003e\u003cstrong data-end=\"1321\" data-start=\"1305\"\u003eVaillant VUI\u003c\/strong\u003e storage combi units\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1375\" data-start=\"1344\"\u003e\n\u003cp data-end=\"1375\" data-start=\"1346\"\u003e\u003cstrong data-end=\"1373\" data-start=\"1346\"\u003eVaillant thermal stores\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1454\" data-start=\"1376\"\u003e\n\u003cp data-end=\"1454\" data-start=\"1378\"\u003eAny appliance listing \u003cstrong data-end=\"1414\" data-start=\"1400\"\u003e0020009871\u003c\/strong\u003e in the official Vaillant parts manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1553\" data-start=\"1456\"\u003e\u003cem data-end=\"1553\" data-start=\"1456\"\u003eInstallers should always verify compatibility using the specific model’s service documentation.\u003c\/em\u003e\u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":56695686005081,"sku":null,"price":172.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1379452.jpg?v=1764252630","url":"https:\/\/plumbpartsxpressshop.com\/products\/vail-0020009871-imm-heater","provider":"Plumbparts xpress","version":"1.0","type":"link"}