{"product_id":"viessmann-vitodens-classic-combi-boiler-28kw-vertical-flue","title":"Viessmann Vitodens Classic Combi Boiler 28kW - Vertical Flue","description":"\u003ch2\u003e\u003cstrong\u003eViessmann Vitodens Classic Gas Condensing Combi Boiler 28kW – Vertical Flue\u003c\/strong\u003e\u003c\/h2\u003e\u003ch3\u003ePre-Commissioned | Energy Class A | Inox-Radial Heat Exchanger | 10-Year Warranty\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eViessmann Vitodens Classic 28kW Gas Condensing Combi Boiler\u003c\/strong\u003e is a compact, high-efficiency heating solution built for modern homes. Whether you're replacing an old boiler or installing a new system, the Vitodens Classic delivers outstanding performance, ultra-quiet operation, and exceptional energy efficiency — all in a sleek, space-saving design.\u003c\/p\u003e\u003cp\u003ePre-commissioned straight from the factory, this boiler is ready to install with minimal setup time, making it the ideal choice for heating engineers and homeowners looking for a fast, reliable upgrade.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eWhy Choose the Viessmann Vitodens Classic?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-commissioned\u003c\/strong\u003e — factory-set for quick and easy installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy efficiency class A\u003c\/strong\u003e — up to 98% seasonal efficiency (Hs gross CV) for lower energy bills\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInox-Radial stainless steel heat exchanger\u003c\/strong\u003e — highly durable, corrosion-resistant, and built to last\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatriX-Plus burner\u003c\/strong\u003e — delivers high efficiency and ultra-clean combustion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28kW output\u003c\/strong\u003e — powerful heating and hot water for medium to large homes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow operating noise\u003c\/strong\u003e — quiet enough for installation in living spaces and kitchens\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact dimensions\u003c\/strong\u003e — low installed height for easy replacement of older boilers in tight spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh DHW convenience\u003c\/strong\u003e — standby function ensures hot water is always ready on demand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower-saving circulation pump\u003c\/strong\u003e — reduces running costs further\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD control unit\u003c\/strong\u003e — clear backlit display with intuitive 4-button operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVertical flue included\u003c\/strong\u003e — suitable for a range of installation configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-year heat exchanger warranty\u003c\/strong\u003e — exceptional long-term peace of mind\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Viessmann\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e Vitodens Classic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PN11259901B1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoiler Type:\u003c\/strong\u003e Gas Condensing Combi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Heating Output:\u003c\/strong\u003e 28kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlue Type:\u003c\/strong\u003e Vertical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency Class:\u003c\/strong\u003e A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeasonal Efficiency:\u003c\/strong\u003e Up to 98% (Hs gross CV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Exchanger:\u003c\/strong\u003e Inox-Radial Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBurner:\u003c\/strong\u003e MatriX-Plus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-commissioned:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 x Viessmann Vitodens Classic 28kW Gas Condensing Combi Boiler\u003c\/li\u003e\n\u003cli\u003eVertical Flue Kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eImportant Information\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGas boilers must be installed by a Gas Safe registered engineer\u003c\/li\u003e\n\u003cli\u003eAlways check local building regulations before installation\u003c\/li\u003e\n\u003cli\u003eSuitable for natural gas installations\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CC Discount Heating","offers":[{"title":"Default Title","offer_id":54197236793682,"sku":null,"price":820.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0904\/3001\/3778\/files\/w_643.avif?v=1786024988","url":"https:\/\/www.tradeplumbing.co.uk\/products\/viessmann-vitodens-classic-combi-boiler-28kw-vertical-flue","provider":"Tradeplumbing","version":"1.0","type":"link"}