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The Goodman 20171701 Drain Trap is a genuine OEM condensate trap assembly for the Amana/Goodman AMH951155DXAB high-efficiency gas furnace. In a 95% AFUE condensing furnace, the trap collects acidic condensate from the secondary heat exchanger and routes it to the drain while maintaining a water seal that blocks flue gases from escaping into the cabinet. A clogged, cracked, or algae-fouled trap is one of the most common causes of pressure-switch lockouts, water leaks, and nuisance no-heat calls — making a fresh OEM trap a high-value repair.
OEM vs. Generic: The OEM trap matches the furnace's exact port spacing, float/seal design, and pressure-switch tubing connections. Universal traps often require adapters and can misalign the pressure-switch reference, triggering false faults. Given how central the trap is to safe condensate handling, the OEM part is the reliable choice.
Install difficulty: Moderate (3 of 5). Requires powering down, disconnecting drain and pressure-switch tubing, removing the old trap, and re-sealing all connections. Expect some condensate spillage — have a towel ready. Budget 30–45 minutes and verify no leaks and correct pressure-switch operation before returning the unit to service.