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The Goodman 22309501 is a genuine OEM flue vent pipe for the GMH950905DXAA 96% AFUE two-stage gas furnace. It carries combustion byproducts from the inducer assembly to the vent connection, and its exact geometry is critical for maintaining proper draft and passing the pressure-switch safety check.
Flue components are safety-critical. The OEM 22309501 is dimensioned to Goodman's specification so gasket seats seal fully and draft stays within spec. A mismatched aftermarket pipe risks flue-gas leaks, condensation in the wrong places, and pressure-switch lockouts — not worth the gamble on a combustion path.
Moderate (3/5). Requires removing the existing flue section, replacing gaskets/clamps, and verifying a leak-free, properly pitched connection. Combustion venting should be handled by a qualified HVAC technician. Shut off power and gas before any work.