The Viessmann Vitodens 222-F B2TB is a floor-standing, gas-fired condensing boiler with an efficiency of 95% AFUE. The Vitodens 222-F B2TB is Energy Star qualified and is a combi boiler, supplying both heat and domestic hot water. It has an Inox-Radial stainless steel heat exchanger and a stainless steel DHW storage tank with a loading pump which delivers a 10-minute peak flow of up to 60 gallons and a continuous DHW draw of 3.3 gallons per minute. Other features include pre-installed pressure/temperature relief valves and multiple venting options with vent length up to 180 feet.
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