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The Goodman 22309501 is the OEM flue pipe for the GMV951155DXBB 96% AFUE two-stage gas furnace. It carries combustion exhaust from the induced-draft blower through the venting system. Because flue components handle hot, acidic exhaust gases, using the correct factory-spec pipe is a safety-critical repair — a cracked, warped, or ill-fitting flue can leak flue gases into the equipment space.
OEM vs. Generic: The genuine 22309501 matches the exact diameter, length, and connection geometry of your furnace's induced-draft assembly, ensuring a sealed, code-compliant vent path. Generic substitutes risk poor seals and improper draft, which can trip the pressure switch or create a hazard. For any flue repair, the OEM part is strongly recommended.
Install difficulty: Moderate (3/5). Involves accessing the induced-draft area and reseating vent connections. Best performed by an HVAC professional. Always turn off power and gas, and verify no exhaust leaks before returning the furnace to service.