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The Goodman 22309501 is a factory OEM flue vent pipe built for the GMH950904CXAC 96% AFUE two-stage gas furnace. This internal exhaust component carries products of combustion from the heat exchanger to the induced-draft blower and vent system. Because it handles hot, acidic condensing flue gases, using the correct OEM-spec part is essential for safe venting and to prevent carbon monoxide leaks.
The genuine Goodman flue pipe is dimensionally matched to the heat exchanger and inducer ports and rated for condensing-gas temperatures. Generic pipe may not meet the required temperature/corrosion rating or seal properly at the gaskets, creating a combustion-safety hazard. We strongly recommend OEM for any flue-path component.
Moderate (3/5). Requires partial disassembly of the exhaust path and careful re-sealing of gasketed joints. Because it involves the combustion venting system, we recommend installation by a qualified HVAC technician, followed by a combustion/CO safety check. Always shut off gas and power first.