{"product_id":"viess-7841779-plate-heat-exchanger-18-pl","title":"VIESS 7841779 PLATE HEAT EXCHANGER 18 PLATES","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-695baef9-6e10-832f-808a-5980b1568747-21\" data-testid=\"conversation-turn-210\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"a8052dad-76bc-4e98-915a-3b3dcc616bcc\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"689\"\u003eThe \u003cstrong data-start=\"4\" data-end=\"58\"\u003eViessmann 7841779 Plate Heat Exchanger – 18 Plates\u003c\/strong\u003e is a genuine replacement component engineered to deliver efficient and dependable thermal transfer in compatible Viessmann boiler systems. This 18-plate heat exchanger is designed to move heat from the boiler’s primary circuit into the domestic hot water and central heating circuits, helping maintain consistent temperature delivery, strong performance, and energy-efficient operation. Manufactured to Viessmann’s exact quality and performance standards, it provides durable, long-lasting service when installed by a qualified heating engineer during servicing, maintenance, or when replacing a worn, fouled, or failed exchanger.\u003c\/p\u003e\n\u003cp data-start=\"691\" data-end=\"998\"\u003eCompatibility for the \u003cstrong data-start=\"713\" data-end=\"757\"\u003e7841779 plate heat exchanger (18 plates)\u003c\/strong\u003e includes Viessmann combi boilers and other models that utilise this specific 18-plate exchanger configuration. Always verify your boiler’s exact model and part specification before installation to ensure correct fit and optimal performance.\u003c\/p\u003e\n\u003cp data-start=\"1000\" data-end=\"1285\"\u003eUsing a genuine Viessmann plate heat exchanger helps maintain effective heat transfer, supports stable delivery of hot water and central heating under varying demand, and contributes to the long-term reliable and energy-efficient operation of your central heating and hot water system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695588028761,"sku":null,"price":151.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/2322068.jpg?v=1767704621","url":"https:\/\/plumbpartsxpressshop.com\/products\/viess-7841779-plate-heat-exchanger-18-pl","provider":"Plumbparts xpress","version":"1.0","type":"link"}