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The Goodman 20171701 Drain Trap is a genuine OEM condensate trap assembly for the AMH950904CXAG high-efficiency (90%+ AFUE) furnace and other compatible Goodman and Amana models. The trap channels acidic condensate away from the secondary heat exchanger and inducer while maintaining a water seal that blocks flue gases from bypassing the drain — essential for safe, code-compliant operation.
As a genuine OEM Goodman trap, this part matches the exact port orientation, inlet/outlet sizing, and float configuration of your furnace's drain system. Ill-fitting generic traps are a common cause of blocked condensate, water leaks, and pressure-switch faults. The OEM trap ensures proper drainage and a reliable water seal.
Moderate — requires disconnecting condensate lines and drain tubing, then flushing the new trap to establish the water seal before startup. Verify no leaks and that the inducer/pressure switch operates normally. A common maintenance item on aging high-efficiency furnaces.