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Williams Forsaire-40kBTU-Gas Direct-Vent Wall Furnace-75.4% AFUE-Standing Pilot
Sealed Combustion Sealed Combustion Rather than using indoor air to fuel combustion, the Williams direct vent pulls intake air directly from the outdoors. This means the heat your furnace generates isn't fed back into the system, maximizing efficiency. Ra
Description
Sealed Combustion Sealed Combustion Rather than using indoor air to fuel combustion, the Williams direct vent pulls intake air directly from the outdoors. This means the heat your furnace generates isn't fed back into the system, maximizing efficiency. Ra