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The Goodman 22309501 flue pipe is a genuine OEM venting component designed for the GMH950453BXAB 95% AFUE condensing gas furnace. It carries combustion byproducts from the inducer assembly to the vent system, and its precise diameter and length are critical for correct draft, pressure-switch operation, and safe exhaust flow. An incorrect or degraded flue pipe can trigger pressure-switch faults or unsafe venting.
Because condensing furnace venting is dimension-sensitive, generic substitutes risk poor draft and nuisance lockouts. This factory Goodman flue pipe matches the original bore, angle, and gasket surfaces for a proper seal and reliable pressure-switch closure.
Moderate (2/5). Requires disconnecting the vent, removing clamps or couplings, and reseating gaskets. Verify draft and pressure-switch operation after replacement.
Shut off power and gas before servicing. Improper venting is a carbon-monoxide hazard — when in doubt, hire a licensed HVAC professional.