Features:
- Fits Any Home and Budget with high performance at an attractive price.
- Outstanding Efficiency of 95.2% A.F.U.E. on all models.
- Lasting Performance with industry-leading Viessmann made SA240 316 Ti stainless steel Inox-Radial heat exchanger constructed to CSA B51 and ASME Section IV.
- Low-Emission Combustion with Viessmann made stainless steel MatriX cylinder burner for natural gas or propane. Factory calibrated.
- Versatile On-Board Boiler Control interfaces with most external controls. Now with integrated 0-10V and OpenTherm® communication ability. Outdoor temperature sensor standard.
- Greater Venting Flexibility with increased vent length (up to 200') and multiple venting options:
- Horizontal or vertical sealed combustion coaxial venting (factory supplied).
- Horizontal, vertical or hybrid sealed combustion double-pipe venting (field supplied).
- Horizontal or vertical single-wall venting (field supplied).
- Suitable for Altitude Levels of up to 10,000 ft. / 3000 m.
- Easy Installation, Service and Maintenance with all pipe connections located at the bottom and serviceable components easily accessible from the front.
- Extremely Quiet Operation; quieter than most refrigerators.
- Compact, Lightweight Design and zero clearance to combustibles.
- Built-in Automatic Frost Protection prevents freeze-up during long shut-off periods.