- Fuel type
Natural gas (NG) or liquid propane gas (LPG)
- Min. input
37,000 BTU (10.8 kW)
- Max. input
91,000 BTU (26.7 kW) for WB1B-26
118,000 BTU (34.6 kW) for WB1B-35
- Efficiency (AFUE)
78 lbs (34.1 kg)
- Overall dimensions
14⅛ inches (360 mm)
15¾ inches (400 mm)
28½ inches (725 mm)
Limited lifetime warranty in residential applications. See warranty sheet for details.
- More details
The perfect mix of value, performance and quality
Vitodens 100-W is a gas-fired wall-mounted condensing boiler with MatriX cylinder burner and Inox-Radial heat exchanger made of stainless steel. Rated input: 37 to 118 MBH.
Easy installation and service
All pipe connections located at the bottom and serviceable components accessible from the front.
94% AFUE rating on all models.
Limited lifetime warranty
In residential applications.
The Vitodens 100 WB1B boiler series has been discontinued. If you are looking to purchase a new residential gas-fired boiler, please consider the Vitodens 100-W B1HE or B1KE series.
Reliable and consistent performance
Stainless steel is the best choice for long-term reliability. That's why the Vitodens 100 is equipped with a stainless steel Inox-Radial heat exchanger and MatriX cylinder burner. Developed and manufactured by Viessmann, these high-quality stainless steel components maximize performance and reliability. Plus, the "self-cleaning" heat exchanger contributes to the boiler’s long service life and dependable performance.
With a limited lifetime warranty in residential applications, you can be sure your investment will deliver long-lasting value, year after year. For detailed terms and conditions, see the warranty sheet.