{"product_id":"vaillant-ecotech-630-system-boiler-with-horizontal-flue-15mm-scale-reducer-kopya","title":"Vaillant Ecotech 635 System Boiler with Horizontal Flue \u0026 15mm Scale Reducer","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a5c8076-6870-83eb-ada8-d94fc8646e45-8\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a5c8076-6870-83eb-ada8-d94fc8646e45-8\" data-turn-id-container=\"request-6a5c8076-6870-83eb-ada8-d94fc8646e45-8\" data-testid=\"conversation-turn-40\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" 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\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"a9c7a690-d042-4af0-af6e-4b056c9ac28d\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"42\" data-end=\"466\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"46\" data-end=\"88\"\u003eVaillant ecoTEC Plus 635 System Boiler\u003c\/strong\u003e is a high-performance \u003cstrong data-start=\"111\" data-end=\"137\"\u003e35kW system gas boiler\u003c\/strong\u003e designed for larger homes with higher heating demands. Built for sealed central heating systems with a separate unvented hot water cylinder, it combines Vaillant's latest condensing technology with intelligent combustion management to deliver powerful, efficient, and reliable home heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"468\" data-end=\"880\"\u003eFeaturing an upgraded internal layout, intuitive semi-touch controls, and advanced smart technology, the ecoTEC Plus 635 is designed to simplify installation, commissioning, and servicing while providing long-term energy efficiency. Compatible with Vaillant controls, flue systems, and renewable heating solutions, it offers a future-ready heating solution for modern homes. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"882\" data-end=\"885\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"887\" data-end=\"902\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"904\" data-end=\"1641\"\u003e\n\u003cli data-section-id=\"euv40t\" data-start=\"904\" data-end=\"928\"\u003e35kW system gas boiler\u003c\/li\u003e\n\u003cli data-section-id=\"bdylec\" data-start=\"929\" data-end=\"953\"\u003eFuel Type: Natural Gas\u003c\/li\u003e\n\u003cli data-section-id=\"1hz6ld0\" data-start=\"954\" data-end=\"993\"\u003eHigh-efficiency condensing technology\u003c\/li\u003e\n\u003cli data-section-id=\"hjuix3\" data-start=\"994\" data-end=\"1026\"\u003eErP A Rated heating efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"x503qm\" data-start=\"1027\" data-end=\"1100\"\u003eDesigned for sealed heating systems with an unvented hot water cylinder\u003c\/li\u003e\n\u003cli data-section-id=\"oxavxj\" data-start=\"1101\" data-end=\"1138\"\u003eIntuitive semi-touch user interface\u003c\/li\u003e\n\u003cli data-section-id=\"7hhe0m\" data-start=\"1139\" data-end=\"1185\"\u003eIoniDETECT intelligent combustion technology\u003c\/li\u003e\n\u003cli data-section-id=\"wzsry7\" data-start=\"1186\" data-end=\"1219\"\u003eUp to \u003cstrong data-start=\"1194\" data-end=\"1219\"\u003e1:10 modulation ratio\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"coxjha\" data-start=\"1220\" data-end=\"1254\"\u003eHydrogen Blend Ready (up to 20%)\u003c\/li\u003e\n\u003cli data-section-id=\"1kpe9tk\" data-start=\"1255\" data-end=\"1301\"\u003eSmart home ready with \u003cstrong data-start=\"1279\" data-end=\"1301\"\u003emyVAILLANT connect\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lweyme\" data-start=\"1302\" data-end=\"1380\"\u003eCompatible with Vaillant heating controls, flues, and renewable technologies\u003c\/li\u003e\n\u003cli data-section-id=\"1a8iycs\" data-start=\"1381\" data-end=\"1447\"\u003eRedesigned internal layout for easier installation and servicing\u003c\/li\u003e\n\u003cli data-section-id=\"6v3n\" data-start=\"1448\" data-end=\"1493\"\u003eStandard \u003cstrong data-start=\"1459\" data-end=\"1493\"\u003e5-year manufacturer's warranty\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ub8xbc\" data-start=\"1494\" data-end=\"1641\"\u003eExtendable to \u003cstrong data-start=\"1510\" data-end=\"1522\"\u003e10 years\u003c\/strong\u003e when installed by a Vaillant Advance Installer (subject to terms and conditions) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1643\" data-end=\"1646\"\u003e\n\u003ch2 data-section-id=\"1xyg8rs\" data-start=\"1648\" data-end=\"1673\"\u003eIdeal for Larger Homes\u003c\/h2\u003e\n\u003cp data-start=\"1675\" data-end=\"1876\"\u003eThe ecoTEC Plus 635 is designed for \u003cstrong data-start=\"1711\" data-end=\"1737\"\u003esealed heating systems\u003c\/strong\u003e with a separate \u003cstrong data-start=\"1754\" data-end=\"1785\"\u003eunvented hot water cylinder\u003c\/strong\u003e, making it ideal for larger homes with multiple bathrooms and higher heating requirements.\u003c\/p\u003e\n\u003cp data-start=\"1878\" data-end=\"2066\"\u003eIts integrated pump and expansion vessel simplify installation while delivering dependable and consistent heating performance throughout the property. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2068\" data-end=\"2071\"\u003e\n\u003ch2 data-section-id=\"xvngn3\" data-start=\"2073\" data-end=\"2109\"\u003ePowerful 35kW Heating Performance\u003c\/h2\u003e\n\u003cp data-start=\"2111\" data-end=\"2247\"\u003eDelivering \u003cstrong data-start=\"2122\" data-end=\"2156\"\u003e35kW of central heating output\u003c\/strong\u003e, the ecoTEC Plus 635 provides exceptional heating capacity for larger domestic properties.\u003c\/p\u003e\n\u003cp data-start=\"2249\" data-end=\"2588\"\u003eVaillant's advanced \u003cstrong data-start=\"2269\" data-end=\"2283\"\u003eIoniDETECT\u003c\/strong\u003e technology continuously monitors combustion conditions and automatically adjusts burner performance for maximum efficiency. Combined with a \u003cstrong data-start=\"2424\" data-end=\"2449\"\u003e1:10 modulation ratio\u003c\/strong\u003e, the boiler precisely matches output to demand, helping reduce fuel consumption and improve comfort. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2590\" data-end=\"2593\"\u003e\n\u003ch2 data-section-id=\"13vq7gk\" data-start=\"2595\" data-end=\"2632\"\u003eCompact Design \u0026amp; Easy Installation\u003c\/h2\u003e\n\u003cp data-start=\"2634\" data-end=\"2756\"\u003eAlthough it delivers a higher heating output, the ecoTEC Plus 635 remains compact enough for straightforward installation.\u003c\/p\u003e\n\u003ch3 data-section-id=\"bpec4l\" data-start=\"2758\" data-end=\"2772\"\u003eDimensions\u003c\/h3\u003e\n\u003cul data-start=\"2774\" data-end=\"2831\"\u003e\n\u003cli data-section-id=\"1qr0c0o\" data-start=\"2774\" data-end=\"2793\"\u003e\n\u003cstrong data-start=\"2776\" data-end=\"2787\"\u003eHeight:\u003c\/strong\u003e 720mm\u003c\/li\u003e\n\u003cli data-section-id=\"1feugck\" data-start=\"2794\" data-end=\"2812\"\u003e\n\u003cstrong data-start=\"2796\" data-end=\"2806\"\u003eWidth:\u003c\/strong\u003e 440mm\u003c\/li\u003e\n\u003cli data-section-id=\"p25rfm\" data-start=\"2813\" data-end=\"2831\"\u003e\n\u003cstrong data-start=\"2815\" data-end=\"2825\"\u003eDepth:\u003c\/strong\u003e 386mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2833\" data-end=\"3066\"\u003eThe redesigned internal layout offers quick access to all major components, helping installers reduce installation and servicing time while maintaining Vaillant's familiar installation footprint. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3068\" data-end=\"3071\"\u003e\n\u003ch2 data-section-id=\"ex875a\" data-start=\"3073\" data-end=\"3102\"\u003eAdvanced Energy Efficiency\u003c\/h2\u003e\n\u003cp data-start=\"3104\" data-end=\"3288\"\u003eThe ecoTEC Plus 635 combines high-efficiency condensing technology with intelligent combustion monitoring to maximise seasonal performance while reducing gas usage and operating costs.\u003c\/p\u003e\n\u003cp data-start=\"3290\" data-end=\"3491\"\u003eThe boiler is also \u003cstrong data-start=\"3309\" data-end=\"3333\"\u003eHydrogen Blend Ready\u003c\/strong\u003e, allowing safe operation with gas supplies containing up to \u003cstrong data-start=\"3394\" data-end=\"3410\"\u003e20% hydrogen\u003c\/strong\u003e, helping future-proof your heating system. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3493\" data-end=\"3496\"\u003e\n\u003ch2 data-section-id=\"bvzj9p\" data-start=\"3498\" data-end=\"3536\"\u003eSmart Heating Control Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"3538\" data-end=\"3742\"\u003eCompatible with \u003cstrong data-start=\"3554\" data-end=\"3576\"\u003emyVAILLANT connect\u003c\/strong\u003e and Vaillant's latest smart heating controls, the ecoTEC Plus 635 enables homeowners to manage heating remotely, optimise energy usage, and improve everyday comfort.\u003c\/p\u003e\n\u003cp data-start=\"3744\" data-end=\"3906\"\u003eIt also integrates seamlessly with Vaillant renewable heating products and hybrid systems for greater long-term flexibility. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3908\" data-end=\"3911\"\u003e\n\u003ch2 data-section-id=\"19rweb4\" data-start=\"3913\" data-end=\"3955\"\u003eReliable Performance \u0026amp; Easy Maintenance\u003c\/h2\u003e\n\u003cp data-start=\"3957\" data-end=\"4122\"\u003eThe ecoTEC Plus 635 incorporates Vaillant's \u003cstrong data-start=\"4001\" data-end=\"4011\"\u003elinBUS\u003c\/strong\u003e technology, providing intelligent monitoring of flow rates and pump performance to optimise system efficiency.\u003c\/p\u003e\n\u003cp data-start=\"4124\" data-end=\"4341\"\u003eCombined with guided commissioning, intuitive controls, and improved internal accessibility, installation and maintenance are faster and more convenient than previous generations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"4343\" data-end=\"4346\"\u003e\n\u003ch2 data-section-id=\"15okmn6\" data-start=\"4348\" data-end=\"4375\"\u003eWarranty \u0026amp; Peace of Mind\u003c\/h2\u003e\n\u003cp data-start=\"4377\" data-end=\"4672\"\u003eThe Vaillant ecoTEC Plus 635 includes a \u003cstrong data-start=\"4417\" data-end=\"4451\"\u003e5-year manufacturer's warranty\u003c\/strong\u003e as standard. When installed and registered by a \u003cstrong data-start=\"4500\" data-end=\"4530\"\u003eVaillant Advance Installer\u003c\/strong\u003e, the warranty can be extended to \u003cstrong data-start=\"4564\" data-end=\"4576\"\u003e10 years\u003c\/strong\u003e, offering additional confidence and long-term protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"4674\" data-end=\"4677\"\u003e\n\u003ch2 data-section-id=\"1nxaj2k\" data-start=\"4679\" data-end=\"4722\"\u003eWhy Choose the Vaillant ecoTEC Plus 635?\u003c\/h2\u003e\n\u003cul data-start=\"4724\" data-end=\"5138\"\u003e\n\u003cli data-section-id=\"16gql0d\" data-start=\"4724\" data-end=\"4757\"\u003ePowerful 35kW system gas boiler\u003c\/li\u003e\n\u003cli data-section-id=\"1qy2zxu\" data-start=\"4758\" data-end=\"4810\"\u003eIdeal for larger homes with higher heating demands\u003c\/li\u003e\n\u003cli data-section-id=\"7hhe0m\" data-start=\"4811\" data-end=\"4857\"\u003eIoniDETECT intelligent combustion technology\u003c\/li\u003e\n\u003cli data-section-id=\"1pjjs2q\" data-start=\"4858\" data-end=\"4888\"\u003eUp to 1:10 burner modulation\u003c\/li\u003e\n\u003cli data-section-id=\"1fr75s0\" data-start=\"4889\" data-end=\"4917\"\u003eHydrogen Blend Ready (20%)\u003c\/li\u003e\n\u003cli data-section-id=\"dss3bs\" data-start=\"4918\" data-end=\"4941\"\u003eSmart home compatible\u003c\/li\u003e\n\u003cli data-section-id=\"1wriplc\" data-start=\"4942\" data-end=\"4974\"\u003eCompact installation footprint\u003c\/li\u003e\n\u003cli data-section-id=\"161tg6h\" data-start=\"4975\" data-end=\"5008\"\u003eEasy installation and servicing\u003c\/li\u003e\n\u003cli data-section-id=\"owus8o\" data-start=\"5009\" data-end=\"5043\"\u003eUp to 10-year warranty available\u003c\/li\u003e\n\u003cli data-section-id=\"ldhasn\" data-start=\"5044\" data-end=\"5138\"\u003eCompatible with Vaillant renewable heating solutions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mağazam","offers":[{"title":"Default Title","offer_id":49033200599195,"sku":null,"price":1777.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/2091\/3051\/files\/vaillant-ecotec-plus-2023-1_1.webp?v=1784462117","url":"https:\/\/boilerlines.co.uk\/products\/vaillant-ecotech-630-system-boiler-with-horizontal-flue-15mm-scale-reducer-kopya","provider":"Boiler Lines","version":"1.0","type":"link"}