{"product_id":"vaillant-ecotech-620-system-boiler-with-horizontal-flue-15mm-scale-reducer","title":"Vaillant Ecotech 620 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=\"478\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"46\" data-end=\"88\"\u003eVaillant ecoTEC Plus 620 System Boiler\u003c\/strong\u003e is a premium \u003cstrong data-start=\"102\" data-end=\"128\"\u003e20kW system gas boiler\u003c\/strong\u003e designed for homes with sealed heating systems and a separate unvented hot water cylinder. Featuring Vaillant's latest condensing technology, intelligent combustion management, and a modern semi-touch interface, it delivers reliable heating performance while helping reduce energy consumption and running costs. \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=\"480\" data-end=\"766\"\u003eDesigned with both installers and homeowners in mind, the ecoTEC Plus 620 offers a familiar installation footprint, simplified servicing, and compatibility with Vaillant's complete range of heating controls, accessories, and renewable technologies. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"768\" data-end=\"771\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"773\" data-end=\"788\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"790\" data-end=\"1577\"\u003e\n\u003cli data-section-id=\"h05x5\" data-start=\"790\" data-end=\"814\"\u003e20kW system gas boiler\u003c\/li\u003e\n\u003cli data-section-id=\"bdylec\" data-start=\"815\" data-end=\"839\"\u003eFuel Type: Natural Gas\u003c\/li\u003e\n\u003cli data-section-id=\"1hz6ld0\" data-start=\"840\" data-end=\"879\"\u003eHigh-efficiency condensing technology\u003c\/li\u003e\n\u003cli data-section-id=\"hjuix3\" data-start=\"880\" data-end=\"912\"\u003eErP A Rated heating efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"x503qm\" data-start=\"913\" data-end=\"986\"\u003eDesigned for sealed heating systems with an unvented hot water cylinder\u003c\/li\u003e\n\u003cli data-section-id=\"1pwvbh7\" data-start=\"987\" data-end=\"1028\"\u003eNew intuitive semi-touch user interface\u003c\/li\u003e\n\u003cli data-section-id=\"7hhe0m\" data-start=\"1029\" data-end=\"1075\"\u003eIoniDETECT intelligent combustion technology\u003c\/li\u003e\n\u003cli data-section-id=\"19yp25p\" data-start=\"1076\" data-end=\"1133\"\u003eUp to \u003cstrong data-start=\"1084\" data-end=\"1109\"\u003e1:10 modulation ratio\u003c\/strong\u003e for improved efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"1rjwdvx\" data-start=\"1134\" data-end=\"1194\"\u003eAutomatic LPG conversion without additional conversion kit\u003c\/li\u003e\n\u003cli data-section-id=\"coxjha\" data-start=\"1195\" data-end=\"1229\"\u003eHydrogen Blend Ready (up to 20%)\u003c\/li\u003e\n\u003cli data-section-id=\"11ii4e0\" data-start=\"1230\" data-end=\"1272\"\u003eSmart home ready with myVAILLANT connect\u003c\/li\u003e\n\u003cli data-section-id=\"6mslwo\" data-start=\"1273\" data-end=\"1332\"\u003eCompatible with Vaillant heating controls and accessories\u003c\/li\u003e\n\u003cli data-section-id=\"i3fz0m\" data-start=\"1333\" data-end=\"1383\"\u003eEasy-access internal layout for faster servicing\u003c\/li\u003e\n\u003cli data-section-id=\"6v3n\" data-start=\"1384\" data-end=\"1429\"\u003eStandard \u003cstrong data-start=\"1395\" data-end=\"1429\"\u003e5-year manufacturer's warranty\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ub8xbc\" data-start=\"1430\" data-end=\"1577\"\u003eExtendable to \u003cstrong data-start=\"1446\" data-end=\"1458\"\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=\"1579\" data-end=\"1582\"\u003e\n\u003ch2 data-section-id=\"9w8hwv\" data-start=\"1584\" data-end=\"1619\"\u003eIdeal for Sealed Heating Systems\u003c\/h2\u003e\n\u003cp data-start=\"1621\" data-end=\"1890\"\u003eThe ecoTEC Plus 620 is designed for \u003cstrong data-start=\"1657\" data-end=\"1691\"\u003esealed central heating systems\u003c\/strong\u003e that use a separate \u003cstrong data-start=\"1712\" data-end=\"1743\"\u003eunvented hot water cylinder\u003c\/strong\u003e. This makes it an excellent choice for homes requiring reliable heating while allowing multiple outlets to access stored hot water simultaneously.\u003c\/p\u003e\n\u003cp data-start=\"1892\" data-end=\"2050\"\u003eWith an integrated pump and expansion vessel, installation is simplified while maintaining excellent system performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2052\" data-end=\"2055\"\u003e\n\u003ch2 data-section-id=\"y58hcy\" data-start=\"2057\" data-end=\"2094\"\u003eEfficient 20kW Heating Performance\u003c\/h2\u003e\n\u003cp data-start=\"2096\" data-end=\"2233\"\u003eDelivering a \u003cstrong data-start=\"2109\" data-end=\"2140\"\u003e20kW central heating output\u003c\/strong\u003e, the ecoTEC Plus 620 is ideal for small to medium-sized homes with moderate heating demands.\u003c\/p\u003e\n\u003cp data-start=\"2235\" data-end=\"2560\"\u003eVaillant's \u003cstrong data-start=\"2246\" data-end=\"2260\"\u003eIoniDETECT\u003c\/strong\u003e combustion technology continuously monitors combustion quality and automatically adjusts burner performance. Combined with a \u003cstrong data-start=\"2386\" data-end=\"2411\"\u003e1:10 modulation ratio\u003c\/strong\u003e, the boiler operates efficiently across varying heating loads, reducing gas consumption and improving comfort. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2562\" data-end=\"2565\"\u003e\n\u003ch2 data-section-id=\"13vq7gk\" data-start=\"2567\" data-end=\"2604\"\u003eCompact Design \u0026amp; Easy Installation\u003c\/h2\u003e\n\u003cp data-start=\"2606\" data-end=\"2746\"\u003eThe ecoTEC Plus 620 maintains the same installation footprint as previous ecoTEC models, making it perfect for straightforward replacements.\u003c\/p\u003e\n\u003ch3 data-section-id=\"bpec4l\" data-start=\"2748\" data-end=\"2762\"\u003eDimensions\u003c\/h3\u003e\n\u003cul data-start=\"2764\" data-end=\"2821\"\u003e\n\u003cli data-section-id=\"1qr0c0o\" data-start=\"2764\" data-end=\"2783\"\u003e\n\u003cstrong data-start=\"2766\" data-end=\"2777\"\u003eHeight:\u003c\/strong\u003e 720mm\u003c\/li\u003e\n\u003cli data-section-id=\"1feugck\" data-start=\"2784\" data-end=\"2802\"\u003e\n\u003cstrong data-start=\"2786\" data-end=\"2796\"\u003eWidth:\u003c\/strong\u003e 440mm\u003c\/li\u003e\n\u003cli data-section-id=\"p2b6tn\" data-start=\"2803\" data-end=\"2821\"\u003e\n\u003cstrong data-start=\"2805\" data-end=\"2815\"\u003eDepth:\u003c\/strong\u003e 352mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2823\" data-end=\"3010\"\u003eIts redesigned internal layout provides easier access to key components, helping installers reduce servicing time and simplifying future maintenance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3012\" data-end=\"3015\"\u003e\n\u003ch2 data-section-id=\"ex875a\" data-start=\"3017\" data-end=\"3046\"\u003eAdvanced Energy Efficiency\u003c\/h2\u003e\n\u003cp data-start=\"3048\" data-end=\"3211\"\u003eThe ecoTEC Plus 620 combines intelligent combustion management with advanced condensing technology to maximise seasonal efficiency while lowering fuel consumption.\u003c\/p\u003e\n\u003cp data-start=\"3213\" data-end=\"3447\"\u003eThe boiler is also \u003cstrong data-start=\"3232\" data-end=\"3256\"\u003eHydrogen Blend Ready\u003c\/strong\u003e, allowing safe operation with gas supplies containing up to \u003cstrong data-start=\"3317\" data-end=\"3333\"\u003e20% hydrogen\u003c\/strong\u003e, helping future-proof your heating system as energy infrastructure evolves. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3449\" data-end=\"3452\"\u003e\n\u003ch2 data-section-id=\"bvzj9p\" data-start=\"3454\" data-end=\"3492\"\u003eSmart Heating Control Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"3494\" data-end=\"3688\"\u003eCompatible with \u003cstrong data-start=\"3510\" data-end=\"3532\"\u003emyVAILLANT connect\u003c\/strong\u003e and Vaillant's latest smart heating controls, the ecoTEC Plus 620 allows homeowners to manage heating remotely, improve comfort, and optimise energy usage.\u003c\/p\u003e\n\u003cp data-start=\"3690\" data-end=\"3856\"\u003eIt also integrates seamlessly with Vaillant renewable technologies and hybrid heating systems for greater long-term flexibility. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3858\" data-end=\"3861\"\u003e\n\u003ch2 data-section-id=\"19rweb4\" data-start=\"3863\" data-end=\"3905\"\u003eReliable Performance \u0026amp; Easy Maintenance\u003c\/h2\u003e\n\u003cp data-start=\"3907\" data-end=\"4071\"\u003eThe ecoTEC Plus 620 features Vaillant's \u003cstrong data-start=\"3947\" data-end=\"3957\"\u003elinBUS\u003c\/strong\u003e technology, providing intelligent monitoring of flow rates and pump performance for improved system optimisation.\u003c\/p\u003e\n\u003cp data-start=\"4073\" data-end=\"4300\"\u003eCombined with its guided commissioning wizard, intuitive controls, and accessible internal layout, installation and servicing are quicker and more straightforward than previous generations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"4302\" data-end=\"4305\"\u003e\n\u003ch2 data-section-id=\"15okmn6\" data-start=\"4307\" data-end=\"4334\"\u003eWarranty \u0026amp; Peace of Mind\u003c\/h2\u003e\n\u003cp data-start=\"4336\" data-end=\"4631\"\u003eThe Vaillant ecoTEC Plus 620 comes with a \u003cstrong data-start=\"4378\" data-end=\"4412\"\u003e5-year manufacturer's warranty\u003c\/strong\u003e as standard. When installed and registered by an eligible \u003cstrong data-start=\"4471\" data-end=\"4501\"\u003eVaillant Advance Installer\u003c\/strong\u003e, the warranty can be extended to \u003cstrong data-start=\"4535\" data-end=\"4547\"\u003e10 years\u003c\/strong\u003e, offering additional long-term peace of mind. \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=\"1nxalns\" data-start=\"4638\" data-end=\"4681\"\u003eWhy Choose the Vaillant ecoTEC Plus 620?\u003c\/h2\u003e\n\u003cul data-start=\"4683\" data-end=\"5088\"\u003e\n\u003cli data-section-id=\"1vfz78g\" data-start=\"4683\" data-end=\"4717\"\u003eEfficient 20kW system gas boiler\u003c\/li\u003e\n\u003cli data-section-id=\"1myo1lp\" data-start=\"4718\" data-end=\"4770\"\u003eIdeal for sealed systems with a hot water cylinder\u003c\/li\u003e\n\u003cli data-section-id=\"1lp3vxp\" data-start=\"4771\" data-end=\"4824\"\u003eLatest IoniDETECT intelligent combustion technology\u003c\/li\u003e\n\u003cli data-section-id=\"1pjjs2q\" data-start=\"4825\" data-end=\"4855\"\u003eUp to 1:10 burner modulation\u003c\/li\u003e\n\u003cli data-section-id=\"1l1rx12\" data-start=\"4856\" data-end=\"4882\"\u003eAutomatic LPG conversion\u003c\/li\u003e\n\u003cli data-section-id=\"1fr75s0\" data-start=\"4883\" data-end=\"4911\"\u003eHydrogen Blend Ready (20%)\u003c\/li\u003e\n\u003cli data-section-id=\"dss3bs\" data-start=\"4912\" data-end=\"4935\"\u003eSmart home compatible\u003c\/li\u003e\n\u003cli data-section-id=\"117y2om\" data-start=\"4936\" data-end=\"4973\"\u003eCompact design for easy replacement\u003c\/li\u003e\n\u003cli data-section-id=\"i1xedn\" data-start=\"4974\" data-end=\"5013\"\u003eSimplified installation and servicing\u003c\/li\u003e\n\u003cli data-section-id=\"82it51\" data-start=\"5014\" data-end=\"5088\"\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":49033170616475,"sku":null,"price":1335.0,"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-620-system-boiler-with-horizontal-flue-15mm-scale-reducer","provider":"Boiler Lines","version":"1.0","type":"link"}