{"product_id":"ucp-7828746-plate-heat-exc-kit-20pl","title":"VIESSMANN 7828746 PLATE HEAT EXCHANGER, 20 PLATES DHW","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-5980b1568747-42\" data-testid=\"conversation-turn-252\" 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=\"fe9b64c4-b44d-4bb9-a311-b1f77567ca0b\" 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=\"671\"\u003eThe \u003cstrong data-start=\"4\" data-end=\"64\"\u003eViessmann 7828746 Plate Heat Exchanger – 20 Plates (DHW)\u003c\/strong\u003e is a genuine replacement domestic hot water heat exchanger designed to deliver efficient and reliable hot water performance in compatible Viessmann combi boilers. This 20-plate exchanger transfers thermal energy from the boiler’s primary heating circuit into the domestic hot water circuit, ensuring rapid heat transfer and consistent water temperature delivery even under varying demand. Manufactured to Viessmann’s exact quality and durability standards, it should be installed by a qualified heating engineer during servicing, maintenance, or replacement of a worn, scaled, or underperforming exchanger.\u003c\/p\u003e\n\u003cp data-start=\"673\" data-end=\"969\"\u003eThis 20-plate DHW heat exchanger is compatible with Viessmann combi boiler models that utilise this specific plate configuration for domestic hot water production. Always verify your boiler’s exact model and part specification before installation to ensure correct fit and dependable performance.\u003c\/p\u003e\n\u003cp data-start=\"971\" data-end=\"1212\"\u003eUsing a genuine Viessmann plate heat exchanger helps maintain efficient heat transfer, supports stable hot water delivery, 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":56695903158617,"sku":null,"price":137.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/2320998.jpg?v=1767711755","url":"https:\/\/plumbpartsxpressshop.com\/products\/ucp-7828746-plate-heat-exc-kit-20pl","provider":"Plumbparts xpress","version":"1.0","type":"link"}