Vitodens 100-W, Better than ever in 2017

Celebrate Viessmann’s 100 year anniversary with the better than ever Vitodens 100-W gas-fired condensing boiler, now available as heating only (B1HA models) and as Combi boiler (B1KA model) with built-in, on-demand domestic hot water capability.

The Vitodens 100-W wall mount boiler is easy to install, service, and maintain for the life of the heating system.


  • Ideal for any home and any budget with high performance and value pricing. Compact design allows for installation virtually anywhere
  • Now available with greater 6:1 turndown range for natural gas: 21 to 125 MBH
  • 95% AUFE efficiency rating on all models makes this boiler eligible for local utility rebate programs
  • LCD touch screen menu for system control and easy programming
  • B1HA model has domestic hot water priority and sensor for use with indirect water heater
  • 5 piping outlets underneath:
  • cold water input / indirect water heater return
  • hot water outlet / indirect water heater supply
  • boiler supply
  • boiler return
  • gas input
  • Conveniently located easy-wired TT connection
  • Lasting performance with proven Viessmann stainless steel Inox-Radial heat exchanger
  • Low emission combustion with fully modulating Viessmann stainless steel MatriX cylinder burner for natural gas or propane; factory calibrated
  • Easy access to connect an outdoor sensor. Allows the boiler to run on an outdoor reset schedule
  • Easy access to all components of burner, heating pump, plate and frame heat exchanger
  • The unit is powered by a 120 volt electrical plug
  • Limited lifetime warranty on Inox-Radial heat exchanger in residential applications
  • Limited 5-year parts warranty in residential applications

About Viessmann

The Viessmann Group is one of the world's leading manufacturers of heating and renewable energy systems. Fourth generation family-owned since 1917, Viessmann has set standards and continues to do so with innovative heating solutions that provide ultimate comfort, conserve energy and keep environmental impact to a minimum. The group today employs over 12,000 employees worldwide with a turnover of approx. 2.37 billion Euro. Our 23 manufacturing facilities in 12 countries, sales & distribution facilities in Germany and 74 other countries, and 120 sales offices worldwide provide customer proximity and a strong global presence.

How can we help?
How can we help?