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The Goodman 22309501 flue pipe is a factory-original combustion vent connector engineered specifically for the GMH950704CXAD 95% AFUE gas furnace. It routes flue gases from the heat exchanger collector to the induced-draft blower, maintaining the precise geometry needed for reliable draft and clean combustion. Using the correct OEM pipe protects your heat exchanger warranty and prevents flue-gas leaks that can trip the pressure switch.
Aftermarket flue pipes often differ in length, bend angle, or collar diameter, forcing field modifications that can leak or restrict draft. This genuine OEM 22309501 drops in with no cutting or adapters and preserves the original combustion airflow path.
Rating: Moderate (2 of 5). Requires basic tools and disconnecting power/gas. Recommended for experienced DIYers or an HVAC technician. Always verify no flue-gas leaks with a combustion analyzer after install.