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The Goodman 20171701 Drain Trap is a genuine OEM condensate trap designed for the AMH950905DXAB high-efficiency condensing gas furnace. This trap collects and channels acidic condensate away from the secondary heat exchanger and inducer while maintaining a water seal that blocks flue gases from escaping into the drain line. A correctly functioning trap is essential on any 90%+ AFUE furnace to prevent water backup, pressure-switch faults, and lockouts.
OEM vs. Generic: The genuine OEM trap matches Goodman's exact port layout, float/seal design, and mounting geometry, ensuring proper drainage and a leak-free fit. Generic substitutes often route poorly or fit loosely, causing condensate leaks and intermittent pressure-switch trips that are hard to diagnose. For dependable operation, OEM is the recommended choice.
Install Difficulty: Moderate (3/5). Involves disconnecting drain tubing, removing the old trap, and reconnecting hoses without kinks. Flush the trap of debris and confirm free drainage before restoring power to the furnace.