Gas-fired wall-mounted condensing boiler with modulating stainless steel cylinder burner and Inox-Radial heat exchanger surface. Rated input: 37 to 118 MBH
The benefits at a glance
- Fits any home and budget with high performance at an attractive price.
- Exceeds Energy Star® efficiency requirements.
- Low-emission combustion with fully-modulating Viessmann stainless steel MatriX cylinder burner for natural gas or propane.
- Versatile on-board Viessmann boiler control interfaces with most external controls; integrated OpenTherm® communication ability; energy-saving outdoor temperature sensor standard.
- Greater venting flexibility with vent length up to 200' and multiple venting options; new rigid and flexible PP(s) vent options.
- 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.
- Easy expansion with CombiPLUS Kit for energy-saving, on-demand DHW.