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The Goodman 20171701 Drain Trap is a genuine OEM condensate trap for the AMVC950453BXAC high-efficiency condensing furnace. As the furnace extracts heat from the flue gases, water vapor condenses and must drain away safely. This trap holds a water seal that lets condensate flow out while blocking flue gases from escaping into the cabinet and preventing air from being drawn back through the drain line — both critical to correct pressure-switch operation. A cracked or algae-clogged trap causes water leaks, pressure-switch faults, and lockouts.
The OEM Goodman trap matches the exact port layout, height, and float/seal design of the AMVC950453BXAC drain system. Universal traps often route condensate differently and can interfere with the sealed-combustion pressure balance, leading to intermittent pressure-switch trips. For condensing furnaces, the OEM trap is the reliable choice.
Easy (2/5). Power down, disconnect the drain hoses, swap the trap, and prime it with water before restarting so the seal is established. Check for leaks and confirm a clean condensate flow after installation.