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The Goodman 22309501 is a genuine OEM flue pipe engineered as the exact-fit factory replacement for the GMH951155DXAA 95% AFUE two-stage gas furnace. This internal vent pipe channels combustion exhaust from the induced-draft blower through the furnace cabinet, maintaining proper draft, safe flue-gas evacuation, and correct pressure-switch operation on your high-efficiency unit.
Flue components are safety-critical. The genuine OEM Goodman flue pipe matches the exact geometry, gasket seats, and clearances the furnace was certified with. There is no reliable generic equivalent — an incorrect flue pipe can leak combustion gases, cause pressure-switch faults, or fail to seal, creating a carbon-monoxide hazard. Always use the factory part.
Moderate (3/5). Turn off gas and electrical power to the furnace. Remove the burner/blower access panels, disconnect the pressure-switch tubing, and unfasten the old flue pipe. Install the replacement with fresh gaskets, reconnect tubing, and verify all seals. A combustion analysis and CO check after startup are strongly recommended — this repair is best performed by a qualified HVAC technician.