Ecotec Exclusive 835 Next Generationultra-modulation Combination Boiler Full heat condense heat engine for greater efficiency and lower flue temperatures 1 to 10 modulation for greater efficiency and suitability for wide range of house types High hot water flow rates for customer comfort Gas adaptive opitmising gas-air ratio for best combustion and lower costs LPG compatible and future proofed for bio gas making it suitable for today and the future In-built intelligence making set up simple (Wizard) Compatible with vSMART app based control "Quiet mark" approved demonstrating greater end user comfort Sustainble choice of material making product 85% recyclable

Brand Name	Vaillant