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:
    o cold water input / indirect water heater return
    o hot water outlet / indirect water heater supply
    o boiler supply
    o boiler return
    o 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