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The Goodman 22309501 is a genuine OEM flue pipe (vent) for the GKS91155DXAD gas furnace and compatible Goodman/Amana models. This component carries combustion byproducts from the inducer/heat exchanger to the venting system, and its correct diameter and geometry are essential for safe, code-compliant exhaust flow.
Because the flue handles hot combustion gases, exact fit and sealing are safety-critical. The OEM 22309501 matches the furnace's outlet diameter and routing precisely, seating tightly against gaskets and clamps. Generic or mismatched pipe risks leaks of combustion products, poor draft, or pressure-switch faults. For any venting component, we strongly recommend the genuine OEM part.
Moderate (3/5). Because this is a combustion-venting component, follow all manufacturer and local code requirements. Shut off power and gas, allow the unit to cool, remove clamps/screws securing the old flue, install the new pipe with proper gaskets, and confirm all joints are sealed. A CO test and draft verification after installation are strongly advised — professional installation is recommended if you are unsure.
Genuine Goodman quality. Verify your model number before ordering. Contact info@nationalhvacparts.com with fitment questions.