Viessmann WB2 11-44, Vitodens 200 Condensing Boiler, Natural Gas Unit (172,000 BTU)

Model: WB2 8-32 A.F.U.E: 95.2 Dimensions (in.): 21.25 L x 23.5 W x 35.5 H Dimensions (mm): 540 L x 600 W x 900 H Boiler Vent Connection (in.) (flue gas / fresh air): (4 5/16) / 6 Boiler Vent Connection (mm) (flue gas / fresh air): 100 / 150 Shipping weight (lbs): 285 Recommended Pump or Flanges: Taco 0011-IFC Natural gas Input Range: 55-172 MBH Output Range: 33-112 MBH * Propane gas also available - Please call for this option Input Range: 33-112 MBH Output Range: 33-101 MBH Required Boiler Installation Kit: Propane gas > Natural gas: 7134 252 Features Modulation range extended from 1:3 to 1:4 Inox-Radial heat exchanger Minimum service requirement through self-cleaning of the smooth stainless steel surfaces and the same flow direction for flue gas and condensate High corrosion resistance through high grade stainless steel 1.4571 New cylinder burner with MatriX surface – in-house development and manufacture Clean combustion Long service life through stainless steel MatriX mesh Optimum matching of heat excha...