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The Goodman 22309501 is the factory flue vent pipe for the GMH950704CXAF 96% AFUE two-stage gas furnace. It carries combustion byproducts from the inducer/collector assembly to the vent connection, forming a critical part of the sealed venting path on a condensing furnace. A cracked, corroded, or warped flue pipe can allow combustion gases to escape, disrupt draft, and trip the air-proving pressure switch. Replacing it with the correct OEM pipe restores safe, spec venting.
The genuine Goodman 22309501 is molded to the exact diameter, length, and bend of your furnace's vent path, sealing correctly at the inducer and vent transitions. Generic or shop-fabricated substitutes risk poor seals, leaks, and draft problems on a safety-critical exhaust component. For combustion venting, always use the OEM part.
Moderate (3/5). Shut off gas and power to the furnace, disconnect the vent connections and any clamps or gaskets, remove the old flue pipe, and install the 22309501 with all seals seated and clamps torqued. Verify no leaks and a proper draft/pressure-switch sequence on startup. Because this handles combustion gases, we recommend a qualified HVAC technician if you are not comfortable testing draft. Typically 30–45 minutes.
Safety-critical OEM venting component. Fast shipping from National HVAC Parts.