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The Goodman 22309501 Flue Pipe is a genuine OEM venting component for the GMH950905CXAB high-efficiency gas furnace. It channels combustion exhaust gases from the heat exchanger through the inducer assembly to the vent system. A corroded, cracked, or warped flue pipe can leak flue gases and disrupt the pressure switch's draft reading, so a sound OEM pipe is essential for safe, efficient operation.
This OEM Goodman flue pipe is molded to the exact contour, diameter, and mounting points of your furnace, ensuring gaskets and clamps seal correctly. Generic substitutes rarely match the factory geometry and can leave gaps that leak exhaust or throw draft-related fault codes. For a safe seal, choose OEM.
Moderate (3 of 5). Plan on 30–45 minutes. Shut off power and gas, detach the pipe from the inducer and heat-exchanger connections, replace any gaskets, and secure the new pipe with the original clamps. Because this handles combustion gases, verify all joints are sealed and, if unsure, have a licensed HVAC technician perform the work.