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The Goodman 22309501 Flue Pipe is a genuine OEM venting component for the GKS90704CXAE high-efficiency gas furnace. It carries combustion byproducts from the burner and heat exchanger to the vent system, maintaining proper draft and safe evacuation of flue gases. A correctly fitted flue pipe is critical to combustion safety and furnace efficiency.
The OEM 22309501 is dimensioned to mate precisely with the GKS90704CXAE cabinet and vent transitions, ensuring gas-tight, draft-correct seams. Generic flue sections may differ in diameter or length, forcing improvised couplers that risk flue-gas leakage — a carbon monoxide hazard. For a combustion-critical part, always choose the factory component.
Moderate (3/5). Because this part handles combustion gases, installation should follow local mechanical codes and, in many areas, be performed by a licensed HVAC technician. Shut off gas and power, verify all vent connections are sealed, and perform a combustion/draft check after installation.
This part fits Goodman GKS90704CXAE furnaces. Verify your model number and vent configuration before ordering.