{"product_id":"vaillant-ecotech-836-combi-boiler-with-horizontal-flue-15mm-scale-reducer","title":"Vaillant Ecotech 836 Combi Boiler with Horizontal Flue \u0026 15mm Scale Reducer","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-6a5c8076-6870-83eb-ada8-d94fc8646e45-8\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-testid=\"conversation-turn-40\" data-turn-id-container=\"request-6a5c8076-6870-83eb-ada8-d94fc8646e45-8\" data-turn-id=\"request-6a5c8076-6870-83eb-ada8-d94fc8646e45-8\" dir=\"auto\" 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)))]\"\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 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\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv 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\" data-message-model-slug=\"gpt-5-5\" dir=\"auto\" data-turn-start-message=\"true\" data-message-id=\"a9c7a690-d042-4af0-af6e-4b056c9ac28d\" data-message-author-role=\"assistant\" 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=\"41\" data-end=\"529\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"45\" data-end=\"86\"\u003eVaillant ecoTEC Plus 836 Combi Boiler\u003c\/strong\u003e is a premium \u003cstrong data-start=\"100\" data-end=\"127\"\u003e36kW combination boiler\u003c\/strong\u003e engineered to provide powerful central heating and high-flow mains-pressure hot water without the need for a separate hot water cylinder or cold water storage tank. Combining Vaillant's latest condensing technology with intelligent combustion management, it delivers exceptional efficiency, reliability, and comfort for larger homes with higher hot water demands. \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=\"531\" data-end=\"888\"\u003eDesigned for busy households with one or two bathrooms, the ecoTEC Plus 836 features an intuitive semi-touch interface, smart connectivity, and advanced combustion control. Its compact dimensions and installer-friendly design make it an excellent choice for both new installations and like-for-like boiler replacements. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"890\" data-end=\"893\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"895\" data-end=\"910\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"912\" data-end=\"1730\"\u003e\n\u003cli data-section-id=\"t3k8ix\" data-start=\"912\" data-end=\"949\"\u003e36kW Combination (Combi) Gas Boiler\u003c\/li\u003e\n\u003cli data-section-id=\"bdylec\" data-start=\"950\" data-end=\"974\"\u003eFuel Type: Natural Gas\u003c\/li\u003e\n\u003cli data-section-id=\"1ml6vqd\" data-start=\"975\" data-end=\"1009\"\u003eInstant mains-pressure hot water\u003c\/li\u003e\n\u003cli data-section-id=\"vhixok\" data-start=\"1010\" data-end=\"1042\"\u003eNo hot water cylinder required\u003c\/li\u003e\n\u003cli data-section-id=\"1qgfd7q\" data-start=\"1043\" data-end=\"1082\"\u003eErP A Rated for heating and hot water\u003c\/li\u003e\n\u003cli data-section-id=\"1hz6ld0\" data-start=\"1083\" data-end=\"1122\"\u003eHigh-efficiency condensing technology\u003c\/li\u003e\n\u003cli data-section-id=\"oxavxj\" data-start=\"1123\" data-end=\"1160\"\u003eIntuitive semi-touch user interface\u003c\/li\u003e\n\u003cli data-section-id=\"7hhe0m\" data-start=\"1161\" data-end=\"1207\"\u003eIoniDETECT intelligent combustion technology\u003c\/li\u003e\n\u003cli data-section-id=\"wzsry7\" data-start=\"1208\" data-end=\"1241\"\u003eUp to \u003cstrong data-start=\"1216\" data-end=\"1241\"\u003e1:10 modulation ratio\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1lgdyak\" data-start=\"1242\" data-end=\"1296\"\u003eDomestic hot water flow rate: \u003cstrong data-start=\"1274\" data-end=\"1296\"\u003e17.2 L\/min (Δ30°C)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ix5e9c\" data-start=\"1297\" data-end=\"1351\"\u003eDomestic hot water flow rate: \u003cstrong data-start=\"1329\" data-end=\"1351\"\u003e14.8 L\/min (Δ35°C)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"coxjha\" data-start=\"1352\" data-end=\"1386\"\u003eHydrogen Blend Ready (up to 20%)\u003c\/li\u003e\n\u003cli data-section-id=\"1pxym7j\" data-start=\"1387\" data-end=\"1412\"\u003eAdaptive LPG compatible\u003c\/li\u003e\n\u003cli data-section-id=\"1kpe9tk\" data-start=\"1413\" data-end=\"1459\"\u003eSmart home ready with \u003cstrong data-start=\"1437\" data-end=\"1459\"\u003emyVAILLANT connect\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ncbmfu\" data-start=\"1460\" data-end=\"1492\"\u003eStainless steel heat exchanger\u003c\/li\u003e\n\u003cli data-section-id=\"1n2zxnp\" data-start=\"1493\" data-end=\"1536\"\u003eCompatible with Vaillant heating controls\u003c\/li\u003e\n\u003cli data-section-id=\"6v3n\" data-start=\"1537\" data-end=\"1582\"\u003eStandard \u003cstrong data-start=\"1548\" data-end=\"1582\"\u003e5-year manufacturer's warranty\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ub8xbc\" data-start=\"1583\" data-end=\"1730\"\u003eExtendable to \u003cstrong data-start=\"1599\" data-end=\"1611\"\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=\"1732\" data-end=\"1735\"\u003e\n\u003ch2 data-section-id=\"1xyg8rs\" data-start=\"1737\" data-end=\"1762\"\u003eIdeal for Larger Homes\u003c\/h2\u003e\n\u003cp data-start=\"1764\" data-end=\"2037\"\u003eThe ecoTEC Plus 836 is designed for \u003cstrong data-start=\"1800\" data-end=\"1825\"\u003emedium to large homes\u003c\/strong\u003e with one or two bathrooms and higher domestic hot water demand. As a combi boiler, it delivers central heating and hot water directly from the mains, eliminating the need for separate cylinders or storage tanks.\u003c\/p\u003e\n\u003cp data-start=\"2039\" data-end=\"2223\"\u003eIts compact dimensions make installation straightforward while providing powerful heating and excellent hot water performance for busy households. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2225\" data-end=\"2228\"\u003e\n\u003ch2 data-section-id=\"ore84r\" data-start=\"2230\" data-end=\"2278\"\u003ePowerful Heating \u0026amp; High Hot Water Performance\u003c\/h2\u003e\n\u003cp data-start=\"2280\" data-end=\"2507\"\u003eWith a \u003cstrong data-start=\"2287\" data-end=\"2310\"\u003e36kW heating output\u003c\/strong\u003e and a \u003cstrong data-start=\"2317\" data-end=\"2389\"\u003edomestic hot water flow rate of up to 17.2 litres per minute (Δ30°C)\u003c\/strong\u003e, the ecoTEC Plus 836 comfortably supplies multiple hot water outlets while maintaining excellent heating performance.\u003c\/p\u003e\n\u003cp data-start=\"2509\" data-end=\"2868\"\u003eVaillant's \u003cstrong data-start=\"2520\" data-end=\"2534\"\u003eIoniDETECT\u003c\/strong\u003e intelligent combustion technology continuously monitors gas quality and automatically adjusts burner performance for maximum efficiency. Combined with a \u003cstrong data-start=\"2688\" data-end=\"2713\"\u003e1:10 modulation ratio\u003c\/strong\u003e, the boiler precisely matches output to demand, helping reduce gas consumption while maintaining consistent comfort. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2870\" data-end=\"2873\"\u003e\n\u003ch2 data-section-id=\"13vq7gk\" data-start=\"2875\" data-end=\"2912\"\u003eCompact Design \u0026amp; Easy Installation\u003c\/h2\u003e\n\u003cp data-start=\"2914\" data-end=\"3044\"\u003eThe ecoTEC Plus 836 retains Vaillant's familiar installation footprint, making it an ideal replacement for previous ecoTEC models.\u003c\/p\u003e\n\u003ch3 data-section-id=\"bpec4l\" data-start=\"3046\" data-end=\"3060\"\u003eDimensions\u003c\/h3\u003e\n\u003cul data-start=\"3062\" data-end=\"3119\"\u003e\n\u003cli data-section-id=\"1qr0c0o\" data-start=\"3062\" data-end=\"3081\"\u003e\n\u003cstrong data-start=\"3064\" data-end=\"3075\"\u003eHeight:\u003c\/strong\u003e 720mm\u003c\/li\u003e\n\u003cli data-section-id=\"1feugck\" data-start=\"3082\" data-end=\"3100\"\u003e\n\u003cstrong data-start=\"3084\" data-end=\"3094\"\u003eWidth:\u003c\/strong\u003e 440mm\u003c\/li\u003e\n\u003cli data-section-id=\"p2b6tn\" data-start=\"3101\" data-end=\"3119\"\u003e\n\u003cstrong data-start=\"3103\" data-end=\"3113\"\u003eDepth:\u003c\/strong\u003e 352mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3121\" data-end=\"3292\"\u003eIts redesigned internal layout provides easy access to major components, reducing installation time and simplifying future servicing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3294\" data-end=\"3297\"\u003e\n\u003ch2 data-section-id=\"ex875a\" data-start=\"3299\" data-end=\"3328\"\u003eAdvanced Energy Efficiency\u003c\/h2\u003e\n\u003cp data-start=\"3330\" data-end=\"3506\"\u003eThe ecoTEC Plus 836 combines intelligent combustion management with high-efficiency condensing technology to maximise seasonal efficiency while reducing household energy costs.\u003c\/p\u003e\n\u003cp data-start=\"3508\" data-end=\"3744\"\u003eThe boiler is also \u003cstrong data-start=\"3527\" data-end=\"3551\"\u003eHydrogen Blend Ready\u003c\/strong\u003e, allowing safe operation with gas supplies containing up to \u003cstrong data-start=\"3612\" data-end=\"3628\"\u003e20% hydrogen\u003c\/strong\u003e, helping future-proof your heating system as the UK's energy network evolves. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3746\" data-end=\"3749\"\u003e\n\u003ch2 data-section-id=\"bvzj9p\" data-start=\"3751\" data-end=\"3789\"\u003eSmart Heating Control Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"3791\" data-end=\"3985\"\u003eFully compatible with \u003cstrong data-start=\"3813\" data-end=\"3835\"\u003emyVAILLANT connect\u003c\/strong\u003e and Vaillant's latest range of smart heating controls, the ecoTEC Plus 836 enables homeowners to monitor and control heating remotely via smartphone.\u003c\/p\u003e\n\u003cp data-start=\"3987\" data-end=\"4166\"\u003eIts intelligent modulation and weather compensation capabilities help improve comfort while optimising energy efficiency throughout the year. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"4168\" data-end=\"4171\"\u003e\n\u003ch2 data-section-id=\"19rweb4\" data-start=\"4173\" data-end=\"4215\"\u003eReliable Performance \u0026amp; Easy Maintenance\u003c\/h2\u003e\n\u003cp data-start=\"4217\" data-end=\"4437\"\u003eBuilt with a durable \u003cstrong data-start=\"4238\" data-end=\"4272\"\u003estainless steel heat exchanger\u003c\/strong\u003e, adaptive LPG compatibility, and Vaillant's intelligent \u003cstrong data-start=\"4329\" data-end=\"4339\"\u003elinBUS\u003c\/strong\u003e communication technology, the ecoTEC Plus 836 is engineered for dependable long-term performance.\u003c\/p\u003e\n\u003cp data-start=\"4439\" data-end=\"4631\"\u003eIts guided commissioning wizard and improved internal accessibility make installation, servicing, and maintenance faster and easier for heating engineers. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"4633\" data-end=\"4636\"\u003e\n\u003ch2 data-section-id=\"15okmn6\" data-start=\"4638\" data-end=\"4665\"\u003eWarranty \u0026amp; Peace of Mind\u003c\/h2\u003e\n\u003cp data-start=\"4667\" data-end=\"4963\"\u003eThe Vaillant ecoTEC Plus 836 includes a \u003cstrong data-start=\"4707\" data-end=\"4741\"\u003e5-year manufacturer's warranty\u003c\/strong\u003e as standard. When installed and registered by a \u003cstrong data-start=\"4790\" data-end=\"4820\"\u003eVaillant Advance Installer\u003c\/strong\u003e, the warranty can be extended to \u003cstrong data-start=\"4854\" data-end=\"4866\"\u003e10 years\u003c\/strong\u003e, providing additional long-term confidence and protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"4965\" data-end=\"4968\"\u003e\n\u003ch2 data-section-id=\"1nxf2ch\" data-start=\"4970\" data-end=\"5013\"\u003eWhy Choose the Vaillant ecoTEC Plus 836?\u003c\/h2\u003e\n\u003cul data-start=\"5015\" data-end=\"5392\"\u003e\n\u003cli data-section-id=\"1wxv9b3\" data-start=\"5015\" data-end=\"5051\"\u003eHigh-performance 36kW combi boiler\u003c\/li\u003e\n\u003cli data-section-id=\"1ml6vqd\" data-start=\"5052\" data-end=\"5086\"\u003eInstant mains-pressure hot water\u003c\/li\u003e\n\u003cli data-section-id=\"ar22kz\" data-start=\"5087\" data-end=\"5129\"\u003eUp to \u003cstrong data-start=\"5095\" data-end=\"5109\"\u003e17.2 L\/min\u003c\/strong\u003e hot water flow rate\u003c\/li\u003e\n\u003cli data-section-id=\"7hhe0m\" data-start=\"5130\" data-end=\"5176\"\u003eIoniDETECT intelligent combustion technology\u003c\/li\u003e\n\u003cli data-section-id=\"wzsry7\" data-start=\"5177\" data-end=\"5210\"\u003eUp to \u003cstrong data-start=\"5185\" data-end=\"5210\"\u003e1:10 modulation ratio\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fr75s0\" data-start=\"5211\" data-end=\"5239\"\u003eHydrogen Blend Ready (20%)\u003c\/li\u003e\n\u003cli data-section-id=\"1pxym7j\" data-start=\"5240\" data-end=\"5265\"\u003eAdaptive LPG compatible\u003c\/li\u003e\n\u003cli data-section-id=\"135n179\" data-start=\"5266\" data-end=\"5284\"\u003eSmart home ready\u003c\/li\u003e\n\u003cli data-section-id=\"ncbmfu\" data-start=\"5285\" data-end=\"5317\"\u003eStainless steel heat exchanger\u003c\/li\u003e\n\u003cli data-section-id=\"82it51\" data-start=\"5318\" data-end=\"5392\"\u003eUp to 10-year warranty available\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":49033225732251,"sku":null,"price":1649.0,"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-836-combi-boiler-with-horizontal-flue-15mm-scale-reducer","provider":"Boiler Lines","version":"1.0","type":"link"}