Boilers

If your home has hot water radiators in each room for heat, you have a boiler to heat the water. Viessmann offers tailor-made system solutions for all energy sources for use in residential homes and apartment buildings. We offer a complete line of gas and oil boilers starting at 86.9% AFUE and up.

Gas Boiler Product Offering

300

Vitocrossal 300 Gas Boiler

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Model Family: 300
Annual Fuel Utilization Efficiency: Up to 95% AFUE
Energy Star Rated: ENERGY STAR Most Efficient 2016.
Heat Exchanger Warranty: 5 Year Limited Parts Warranty
Warranty: Limited lifetime warranty in residential applications
Manufacturer's Stated Benefits:
  • Compact, floor-standing gas condensing boiler from 19-199 MBH.
  • High temperature operation of up to 90°C (194°F).
  • Vitocrossal Pocket Design with wide water passage ways allow for system/full flow applications
  • No dedicated boiler pump required and eliminates primary/secondary piping.
  • MatriX dome gas burner with 5:1 turndown ratio to ensure high efficiency and extremely clean combustion.
  • High water volume extends burner run time and reduces cycling.
  • A self-calibrating Lambda Pro combustion management system ensures optimal combustion efficiency at all times regardless of gas/
  • Durable, reliable, and long service life with Inox-Crossal stainless steel heat exchanger and high mass design.
  • Multiple venting options and configurations with vent lengths up to 198 ft.
222F

Vitodens 222-F Gas Boiler

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Model Family: 222F
Annual Fuel Utilization Efficiency: Up to 95% AFUE
Energy Star Rated: Exceeds Energy Star® efficiency requirements.
Heat Exchanger Warranty: 5 Year Limited Parts Warranty
Warranty: Limited lifetime warranty in residential applications
Manufacturer's Stated Benefits:
  • Space-saving design with small footprint and zero side clearance to combustibles
  • Low emission combustion and continuous efficiency from Viessmann stainless steel MatriX cylinder burner with Lambda Pro combusti
  • Wide modulation range up to 6.5:1 to precisely match load conditions.
  • Fast heat-up with innovative DHW Storage Tank Loading System comprised of plate heat exchanger, DHW loading pump and storage tan
  • Multiple venting options with vent length up to 180 ft.
200W

Vitodens 200 Gas Boiler

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Model Family: 200W
Annual Fuel Utilization Efficiency: Up to 95% AFUE
Energy Star Rated: Exceeds Energy Star® efficiency requirements.
Heat Exchanger Warranty: 5 Year Limited Parts Warranty
Warranty: Limited lifetime warranty in residential applications
Manufacturer's Stated Benefits:
  • Additional DHW tank(s) required, for a high level of DHW convenience
  • Best value in its class with new industry-leading technology and the most standard features
  • Low-emission combustion for environmentally-friendly operation.
  • Intelligent Lambda Pro gas management system automatically adjusts to different gas qualities for optimum efficiency and perform
  • Modulation ratio up to 6.5:1 ensures extremely high efficiency.
  • Multiple venting options and greater venting flexibility with vent length up to 180 ft.
  • Compact, lightweight design and zero clearance to combustibles.
  • Extremely quiet operation; quieter than most refrigerators.
100-W

Vitodens 100-W Gas Boiler

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Model Family: 100-W
Annual Fuel Utilization Efficiency: Up to 94% AFUE
Energy Star Rated: Exceeds Energy Star® efficiency requirements.
Heat Exchanger Warranty: 5 Year Limited Parts Warranty
Warranty: Limited lifetime warranty in residential applications
Manufacturer's Stated Benefits:
  • On-demand DHW available via CombiPLUS Kit (up to 3.6 GPM)
  • Compact, lightweight wall-mount design and zero clearance to combustibles
  • Fits any home and budget with high performance at an attractive price.
  • Low-emission combustion with fully-modulating Viessmann stainless steel MatriX cylinder burner for natural gas
  • Extremely quiet operation; quieter than most refrigerators.
  • Easy expansion with CombiPLUS Kit for energy-saving, on-demand DHW.

Oil Boiler Product Offering

V100

Vitorond 100 Oil Boiler

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Model Family: V100
Annual Fuel Utilization Efficiency: Up to 86.9% AFUE
Energy Star Rated: Energy Star qualified
Heat Exchanger Warranty:
Warranty: 20 Year Limited Warranty
Manufacturer's Stated Benefits:
  • Maximum heat extraction and efficiency thanks to the triple-pass heat exchanger.
  • Long service life and maximum reliability with extremely durable cast iron heat exchanger.
  • Clean and efficient combustion thanks to the stainless steel combustion chamber insert.
  • Quiet combustion with Beckett or Riello burner.
  • For greater efficiency and comfort, modulate the boiler water temperature with a Vitotronic control.
  • Eliminate the need for a chimney and combustion air supply opening with the direct vent option (up to VR1-33).
  • Low maintenance cost with service-friendly burner and easy-to-clean flue gas passageways.