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The perfect mix of performance, quality and value


Vitodens 100-W, B1HA space heating boiler and Vitodens 100-W, B1KA Combi boiler fits any home and budget with high performance at an attractive price.

Outstanding efficiency of 95% A.F.U.E. on all models.

Low-emission combustion with fully-modulating Viessmann stainless steel MatriX cylinder burner for natural gas or propane.

User-friendly backlit LCD touchscreen boiler control.

Lasting performance with proven Viessmann stainless steel Inox-Radial heat exchanger constructed to CSA B51 and ASME Section IV.

Suitable for altitude levels of up to 10,000 ft. / 3,000 m.

Easy installation and service with pipe connections located at the bottom and serviceable components accessible from the front.

Extremely quiet operation; quieter than most refrigerators.

Built-in on-demand domestic hot water (DHW) with Vitodens 100-W, B1KA Combi boiler. Ideal for apartment units or houses with small mechanical rooms and a single DHW draw point.


Additional Information
Boiler Efficiency


Boiler Fuel type

Natural Gas, Propane Gas

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