SpecDirectory

Viessmann B2HA-285vsWilliamson-Thermoflo GWC-175-N-T

Side-by-side boiler comparison

Viessmann B2HA-285

AFUE

92%

Fuel

Natural Gas, Propane Gas

Type

Boiler

Hot Water

Can integrate

Williamson-Thermoflo GWC-175-N-T

AFUE

91%

Fuel

Natural Gas, Propane Gas

Type

Boiler

Hot Water

Can integrate

Key differences

Both models are closely matched on afue: 92.0 vs 91.0 %. The Viessmann B2HA-285 is larger at 92 % versus 91 %.

Efficiency

SpecViessmannWilliamson-Thermoflo
AFUE(%)9291
Fuel TypeNatural Gas, Propane GasNatural Gas, Propane Gas
Can Integrate Hot Water HeatingYesYes

Configuration

SpecViessmannWilliamson-Thermoflo
Product TypeBoilerBoiler
Model NameVitodens 200GWC
View B2HA-285 specs →View GWC-175-N-T specs →

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