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The Goodman 22309501 Flue Pipe is a genuine OEM venting component for the WGFM195090S5CAA 90,000 BTU 95% AFUE gas furnace and compatible Goodman/Amana models. The flue pipe carries combustion byproducts from the heat exchanger and inducer assembly to the vent connection — a safety-critical path that must maintain proper diameter and sealing to prevent flue gas leakage.
Because this part handles combustion gases, exact fit is non-negotiable. This genuine OEM Goodman flue pipe matches the factory diameter, length, and gasket geometry so seals seat correctly. Generic substitutes risk poor sealing and improper draft, which can cause dangerous flue gas spillage. Use OEM for any part in the venting path.
Moderate (2 of 5). Shut off gas and power, remove the inducer/vent fasteners, replace the pipe, and reseat all gaskets and clamps. Inspect every joint for a tight seal. Because this is a combustion-safety component, a licensed HVAC professional should verify draft and perform a combustion check after installation.