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A white Viessmann Vitodens 100-W combi gas boiler on a green gradient background with text: "Fully Fitted," "£0 Deposit," and "Viessmann Vitodens 100-W B1KF 30kW Combi Gas Boiler.

Viessmann Vitodens 100-W B1KF 30kW Combi Gas Boiler

£2,950.00

Versatile combi for medium homes, with robust performance and smart connectivity.

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10 in stock

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The Viessmann Vitodens 100-W B1KF 30kW Combi Gas Boiler is a condensing combi boiler for medium-sized homes with up to 12 radiators and 1-2 bathrooms. It delivers a hot water flow rate of 12.3 litres per minute at 35°C and a 94% seasonal efficiency rating (ErP A-rated). Measuring 700x400x350mm and weighing 35kg, it’s cupboard-friendly. It includes the Inox-Radial stainless steel heat exchanger, a MatriX-Plus burner with Lambda Pro Control, integrated WiFi for ViCare app control, and a 1:10 modulation ratio. Quiet Mark approved, it supports natural gas, LPG, or 20% hydrogen blends and features a backlit LCD. It offers a 10-year warranty, extendable to 12 years with a Viessmann-accredited installer, suitable for homes with moderate demands.

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Specification
Power Output (Heating)25 kW
Power Output (Hot Water)30 kW
Boiler Depth360 mm
Boiler Height700 mm
Boiler Width400 mm
Weight35 kg
BrandViessmann
ColourWhite
Boiler TypeCombi
Fuel TypeNatural Gas or LPG
Heat Exchanger MaterialStainless Steel (Inox-Radial)
Energy Efficiency RatingA (ErP)
Display TypeBacklit LCD 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 B1KF 30kW
Pack Size1
Parent ColourWhite
Pieces in Pack/Case1 Boiler
Product TypeGas Combi Boiler
Range NameVitodens 100-W
Hot Water Flow Rate14 L/min at 35°C Rise
Flue LengthUp to 17 m (60/100 mm)
Modulation Range1:10
Noise Level45 dB(A) (Estimated)
Annual Energy Consumption94% Efficiency (Estimated)
Temperature CoefficientNot Applicable
CertificationsErP A-Rated, Gas Safe Compliant, 20% Hydrogen Blend Ready

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