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Viessmann Vitodens 222-F 35 kW B2TB

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Original price $6,228.38 - Original price $6,228.38
Original price
$6,228.38
$6,228.38 - $6,228.38
Current price $6,228.38

Smart, compact space heating and DHW

SKU B2TB004
Brand Viessmann
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The benefits at a glance

  • Efficiency up to 98% at full modulation and 95% AFUE. Exceeds Energy Star® efficiency requirements.
  • Space-saving design with small footprint and zero side clearance to combustibles.
  • Leveling feet for easy set-up in basement boiler rooms.
  • Low emission combustion and continuous efficiency from MatriX cylinder burner with Lambda Pro Intelligent combustion management system.
  • 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 tank.
  • 26 gallon compact and hygienic DHW storage tank, made from titanium-stabilized stainless steel.
  • Ten-minute peak flow of 60 gallons (model B2TB-35 only) and continuous DHW draw of 3.3 GPM. Based on a temperature rise of 70 °F (50 °F to 120 °F).
  • Simplified installation with pre-installed pressure / temperature relief valves, fully enclosed heating expansion tank and circulation pump, and built-in 3-speed DHW / space heating pump with diverter valve.
  • Multiple venting options, with up to 200 feet of combined length venting (refer to install guide).
  • Vitodens 200 Series control with easy-to-use Startup Wizard.


The Vitodens 222-F is the most complete solution for residential heating and DHW, combining a highly efficient (95% AFUE) gas condensing boiler with integrated 26 Gallon titanium-stabilized stainless steel DHW storage and instantaneous performance in to one floor-standing unit.

Its unique, all-in-one design offers the benefits of a boiler and standalone DHW tank, but requires only a small footprint and offers convenient installation. With rated input of 12-125 MBH and offering a 6 GPM DHW flow rate* along with effective and efficient space heating, the 222-F is ideal for most residential applications.

*6 GPM flow rate for the first 10 minutes up to 60 gallons draw, then 3.3 GPM continuous thereafter

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