BOILERS - VIESSMANN

Family

Series

Features

Natural gas-fired wall-mounted condensing boiler with modulating stainless steel cylinder burner and Inox-Radial heat exchanger surface.  Rated input: 29 to 100 MBH - 9 to 29 kW.

The benefits at a glance:

• Outstanding Efficiency of up to 98% with full modulation and 95.1% A.F.U.E. on all models.
• Lasting Performance with Viessmann-made SA240 316 Ti stainless steel Inox-Radial heat exchanger constructed to ASME Section IV and CSA B51.
• Low-Emission Combustion with fully-modulating natural gas stainless steel cylinder burner. Factory calibration eliminates adjustments in the field.
• Control Variety Integrated boiler control interfaces with any level of third-party control – from room thermostat to outdoor reset and more.
• Multiple Venting Options.  Horizontal or vertical sealed combustion coaxial vent system (factory supplied).  Horizontal, vertical or hybrid sealed combustion double-pipe vent system (field supplied).  Horizontal or vertical single-wall vent system (field supplied).
• Easy Installation, Service nd Maintenance with all pipe connections located at the bottom and serviceable components easily accessible from the front.
• Compact, Lightweight Design and zero clearance to combustibles make it a great choice for limited-space installations.
• Extremely Quiet Operation; quieter than most refrigerators.
• Built-in Automatic Frost Protection allows boiler to be shut off for an extended period of time while protecting it against freeze-up.
• Suitable for altitude levels of up to 5000 ft. / 1500 m.
• Limited Lifetime Warranty in residential applications.

A compact wall-mounted condensing boiler with Inox-Radial heat exchanger surface and MatriX-compact burner.  Rated input: 25 to 230 MBH - 7 to 67kW

The benefits at a glance:

• Highest-efficiency condensing operation: A.F.U.E. up to 95.2%.
• Extremely quiet operation, small size and sealed combustion - can be installed in living space areas.
• High-alloy stainless steel Inox-Radial heat exchanger with defined gaps between coils produces efficient heat transfer and a long service life.
• Low electrical consumption due to variable speed DC blower on all models and a variable speed heat circuit pump (on some models).
• Balanced flue design with self-regulating gas burner and self-calibrating combustion for easy start-up and ongoing reliable operation.
• Modulating MatriX-compact gas burner offers extremely low emission levels of NOx and CO which meet or exceed all international clean air regulations and guidelines.
• Built-in programmable indoor/outdoor control system on each boiler provides efficient and personalized control for space heating and domestic hot water heating needs.
• Models WB2 -24 and -32 feature variable speed, weather-responsive pump for precise space heating temperatures and low electrical consumption for maximum comfort and energy savings.
• Model WB2 6-24C features an instantaneous water heater (plate-type heat exchanger) for efficient domestic hot water production in addition to space heating.