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The Goodman 22309501 is a genuine OEM flue pipe vent built as a direct-fit replacement for the AKSS921155DXAA gas furnace and compatible Goodman/Amana models. It carries combustion exhaust gases from the inducer assembly to the vent system, and its precise dimensions maintain the sealed, pressure-tight path required for safe operation and correct pressure-switch response.
Flue components are a safety-critical part of the venting system. The genuine OEM flue pipe matches the factory diameter, length, and gasket surfaces so it seals correctly and keeps combustion byproducts contained. Non-OEM substitutes can create gaps that trigger pressure-switch faults or, worse, allow flue gas leakage. Always use OEM for flue and venting parts.
Moderate (2/5). Requires removing and reseating the vent connections and verifying a tight seal; basic hand tools needed. Shut off power and gas, disconnect the old flue pipe, install the replacement with proper gaskets/clamps, and check for leaks before returning to service.
Because this part affects combustion venting, professional installation by a licensed HVAC technician is strongly recommended.