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A white Viessmann Vitodens 100-W B1GA 32kW heat gas boiler on a green gradient background, with text: "Fully Fitted," "£0 Deposit," and the product name below the boiler.

Viessmann Vitodens 100-W B1GA 32kW Heat Gas Boiler

£3,350.00

High-output heat only boiler for large homes, with powerful performance and smart features.

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10 in stock

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Solar Panels & Boiler Installations Nationwide

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The Viessmann Vitodens 100-W B1GA 32kW Heat Gas Boiler is a condensing heat only boiler for large homes with up to 18 radiators, requiring a hot water cylinder and feed/expansion tank. It delivers a 32kW central heating output and a 94% seasonal efficiency rating (ErP A-rated). Measuring 700x400x350mm and weighing 33kg, it’s suitable for cupboard installation with no side clearance. It includes the Inox-Radial stainless steel heat exchanger, a MatriX-Plus burner with Lambda Pro Control for gas adaptability (natural gas, LPG, or 20% hydrogen blends), and an LCD touchscreen. Quiet Mark approved, it supports flexible flueing, weather compensation, and OpenTherm compatibility for smart control. It comes with a 10-year warranty, extendable to 12 years with a Viessmann-accredited installer, ideal for high-demand households with traditional systems.

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Specification
Power Output (Heating)32 kW
Power Output (Hot Water)Dependent on Cylinder
Boiler Depth285 mm
Boiler Height600 mm
Boiler Width375 mm
Weight23 kg
BrandViessmann
ColourWhite
Boiler TypeHeat Only
Fuel TypeNatural Gas or LPG
Heat Exchanger MaterialStainless Steel (Inox-Radial)
Energy Efficiency RatingA (ErP)
Display TypeLED Touchscreen
Fitting RequirementsMust be Fitted by Gas Safe Registered Engineer
Mounting System SuppliedWall-Mounting Bracket Supplied
Indoor/Outdoor UsageIndoor
Connector TypeStandard Hydraulic Connections
Manufacturer Guarantee5 Year Warranty (Extendable to 12 Years with Viessmann Trained Installer)
Model Name/NoVitodens 100-W B1GA 32kW
Pack Size1
Parent ColourWhite
Pieces in Pack/Case1 Boiler
Product TypeGas Heat Only Boiler
Range NameVitodens 100-W
Flue LengthUp to 12 m (60/100 mm)
Modulation Range1:10
Noise Level45 dB(A) (Estimated)
Annual Energy Consumption92% Efficiency (Estimated)
Temperature CoefficientNot Applicable
CertificationsErP A-Rated, Gas Safe Compliant, 20% Hydrogen Blend Ready

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