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The Goodman 22309501 Flue Vent Pipe is the genuine OEM combustion vent component for the AMV90905DXBA and compatible 90%+ AFUE Goodman and Amana condensing furnaces. This internal flue passage carries combustion byproducts from the inducer to the vent system while maintaining the sealed pathway required for safe, high-efficiency operation. A cracked, warped, or corroded flue pipe can cause pressure-switch faults, condensate leaks, and dangerous flue-gas spillage.
Because the flue path is a safety-critical, sealed component, we recommend genuine OEM only. Aftermarket flue pipes rarely match the exact bend, length, and gasket seat, risking leaks and CO exposure. The Goodman 22309501 is dimensionally identical to the factory part and preserves your furnace warranty.
Moderate (2/5). Requires removing the burner or inducer access panel and reseating gaskets. Always shut off power and gas, and verify a proper seal and combustion-safe operation after installation. When in doubt, use a licensed HVAC technician.