{"product_id":"vaillant-0020209544-heat-exchanger","title":"VAILLANT 0020209544 HEAT EXCHANGER","description":"\u003cp data-start=\"187\" data-end=\"555\"\u003eThe \u003cstrong data-start=\"191\" data-end=\"214\"\u003eVaillant 0020209544\u003c\/strong\u003e is a genuine OEM \u003cstrong data-start=\"232\" data-end=\"258\"\u003eprimary heat exchanger\u003c\/strong\u003e designed for efficient heat transfer within compatible Vaillant boilers. As a core component of the heating system, this heat exchanger transfers heat from the burner to the circulating system water, ensuring reliable heating performance, improved efficiency, and long-term operational stability.\u003c\/p\u003e\n\u003cp data-start=\"557\" data-end=\"786\"\u003eFaulty or blocked heat exchangers can lead to kettling, poor heating output, error codes, and boiler lockouts. Installing this genuine Vaillant replacement restores proper functionality and helps maintain peak boiler performance.\u003c\/p\u003e\n\u003cp data-start=\"788\" data-end=\"807\"\u003e\u003cstrong data-start=\"788\" data-end=\"805\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"808\" data-end=\"1191\"\u003e\n\u003cli data-start=\"808\" data-end=\"855\"\u003e\n\u003cp data-start=\"810\" data-end=\"855\"\u003e\u003cstrong data-start=\"810\" data-end=\"853\"\u003eGenuine Vaillant primary heat exchanger\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"856\" data-end=\"907\"\u003e\n\u003cp data-start=\"858\" data-end=\"907\"\u003eProvides efficient and consistent heat transfer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"908\" data-end=\"966\"\u003e\n\u003cp data-start=\"910\" data-end=\"966\"\u003eHelps resolve kettling, overheating \u0026amp; poor heat output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"967\" data-end=\"1026\"\u003e\n\u003cp data-start=\"969\" data-end=\"1026\"\u003eManufactured to Vaillant’s strict OEM quality standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1027\" data-end=\"1072\"\u003e\n\u003cp data-start=\"1029\" data-end=\"1072\"\u003eDurable, corrosion-resistant construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1073\" data-end=\"1134\"\u003e\n\u003cp data-start=\"1075\" data-end=\"1134\"\u003eEssential for restoring boiler reliability and efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1135\" data-end=\"1191\"\u003e\n\u003cp data-start=\"1137\" data-end=\"1191\"\u003eSuitable for professional installation and servicing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1193\" data-end=\"1196\"\u003e\n\u003ch3 data-start=\"1198\" data-end=\"1219\"\u003e\u003cstrong data-start=\"1202\" data-end=\"1219\"\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1220\" data-end=\"1322\"\u003eThe \u003cstrong data-start=\"1224\" data-end=\"1262\"\u003eVaillant 0020209544 Heat Exchanger\u003c\/strong\u003e is suitable for a selection of Vaillant boilers, including:\u003c\/p\u003e\n\u003cul data-start=\"1324\" data-end=\"1506\"\u003e\n\u003cli data-start=\"1324\" data-end=\"1371\"\u003e\n\u003cp data-start=\"1326\" data-end=\"1371\"\u003eecoTEC Plus models (specific versions vary)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1372\" data-end=\"1392\"\u003e\n\u003cp data-start=\"1374\" data-end=\"1392\"\u003eecoTEC Pro units\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1393\" data-end=\"1430\"\u003e\n\u003cp data-start=\"1395\" data-end=\"1430\"\u003eecoFIT and ecoTEC Sustain boilers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1431\" data-end=\"1506\"\u003e\n\u003cp data-start=\"1433\" data-end=\"1506\"\u003eAny Vaillant model specifying \u003cstrong data-start=\"1463\" data-end=\"1477\"\u003e0020209544\u003c\/strong\u003e in its official parts list\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1508\" data-end=\"1613\"\u003e\u003cem data-start=\"1508\" data-end=\"1613\"\u003eInstallers should always verify compatibility using the boiler’s service manual or parts documentation.\u003c\/em\u003e\u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":56695541825881,"sku":null,"price":771.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1385462.jpg?v=1764240205","url":"https:\/\/plumbpartsxpressshop.com\/products\/vaillant-0020209544-heat-exchanger","provider":"Plumbparts xpress","version":"1.0","type":"link"}