Direct Vent Condensing Gas Furnace With Fresh Air Intake Snow Pipe Shown Is Not Connected To Outside In This Installation It Pulling No Combustion Filter Di

direct vent condensing gas furnace with fresh air intake snow pipe shown is not connected to outside in this installation it pulling no combustion filter di

direct vent condensing gas furnace with fresh air intake snow pipe shown is not connected to outside in this installation it pulling no combustion filter di.

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