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The Goodman 22309501 Flue Vent Pipe is a genuine OEM combustion-exhaust component built for the AMS950704CXAB high-efficiency furnace. It carries cooled flue gases from the induced-draft blower to the venting system, and in a condensing furnace it is engineered to handle both the corrosive condensate and the low flue temperatures that standard metal vent pipe cannot tolerate.
A flue component is a combustion-safety part — an imprecise generic can leave gaps at the collector-box gasket, leak flue gas, or fail to seat the pressure-switch hose port, causing draft-proving faults. This genuine Goodman OEM flue pipe is dimensioned to the factory drawings so the induced-draft assembly seals correctly and the pressure switch reads a true signal.
Moderate (3/5). Requires removing the blower/collector access panels and re-sealing gaskets to spec. Because this is a flue-gas path, we strongly recommend a licensed HVAC technician verify the seal and confirm proper draft after installation. Always shut off power and gas first.
Confirm 22309501 against your furnace rating plate before ordering.