{"product_id":"viessmann-vitodens-100-w-heat-only-boiler","title":"Viessmann Vitodens 100-W Heat Only Gas Boiler Only","description":"\u003ch3\u003eViessmann Vitodens 100-W Heat Only Gas Boiler\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eViessmann Vitodens 100-W Heat Only\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact, high-efficiency gas condensing boiler designed for traditional heating systems where hot water is stored separately in a cylinder.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAvailable in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e16kW, 19kW, 25kW and 32kW outputs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the range makes it easy to select the right boiler for anything from smaller properties through to homes with higher heating demands.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIts compact wall-mounted design, quiet operation and proven Viessmann technology make the Vitodens 100-W an excellent choice for both \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enew installations and boiler replacements\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eChoose Your Output\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e16kW Heat Only\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA compact option for properties with lower heating requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e19kW Heat Only\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA versatile choice for small to medium-sized homes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e25kW Heat Only\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned for properties requiring increased central heating output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e32kW Heat Only\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe highest-output option in this range, ideal where greater heating capacity is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eNot sure which output you need?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Boiler sizing should be based on the property's calculated heat loss. Your heating engineer can confirm the correct output before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose the Vitodens 100-W?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eA-rated energy efficiency\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e92% ErP efficiency\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-efficiency gas condensing technology\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMatriX-Plus burner\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for efficient, low-emission combustion\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eLambda Pro combustion control\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDurable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003estainless steel Inox-Radial heat exchanger\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact wall-mounted design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for installation where space is limited\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSimple, intuitive controls\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow operating noise\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmart-home ready\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNatural gas and LPG compatible\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for open vent and sealed heating systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e10-year standard manufacturer warranty\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExtended warranty options available subject to Viessmann terms\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Viessmann","offers":[{"title":"Viessmann Vitodens 100-W 16kW Heat Only","offer_id":54635819794769,"sku":null,"price":999.0,"currency_code":"GBP","in_stock":true},{"title":"Viessmann Vitodens 100-W 19kW Heat Only","offer_id":54635819827537,"sku":null,"price":1199.0,"currency_code":"GBP","in_stock":true},{"title":"Viessmann Vitodens 100-W 25kW Heat Only","offer_id":54635819860305,"sku":null,"price":1299.0,"currency_code":"GBP","in_stock":true},{"title":"Viessmann Vitodens 100-W 32kW Heat Only","offer_id":54635819893073,"sku":null,"price":1399.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/5022\/0369\/files\/Screenshot2026-08-20at10.14.38.png?v=1787217291","url":"https:\/\/www.hydeplumbheatsuppliers.co.uk\/products\/viessmann-vitodens-100-w-heat-only-boiler","provider":"Hyde Plumbing \u0026 Heating Supplies","version":"1.0","type":"link"}