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The Goodman 22309501 Flue Pipe is a genuine OEM venting component designed for the AMH950905DXAD high-efficiency gas furnace and compatible Goodman/Amana models. It channels combustion byproducts from the induced-draft blower to the vent system, forming a sealed path that is essential for safe, code-compliant operation. A correctly fitted flue pipe protects the pressure switch signal and prevents dangerous flue-gas leakage.
The OEM 22309501 matches the furnace's exact flange geometry and dimensions, so gaskets seal properly and the induced-draft path holds correct pressure. Generic or fabricated substitutes risk poor sealing, misaligned connections, and pressure-switch faults — and any flue leak is a combustion-safety hazard. Use the genuine part for venting components.
Moderate (3/5). Requires proper shutdown, careful gasket/seal handling, and a leak check after reassembly. Because this is a combustion-venting part, we recommend a licensed HVAC technician verify draft and seal integrity before returning the unit to service.