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The Goodman 0161F00046 Condensate Drain Trap is a genuine OEM part for the Amana/Goodman AMSS920805CNAA high-efficiency gas furnace. The trap collects acidic condensate produced during the secondary heat-exchange process and drains it away while maintaining a water seal that blocks flue gases from escaping through the drain line. A cracked or clogged trap triggers pressure-switch lockouts, water leaks, and no-heat calls.
The OEM trap matches the factory port sizes, seal height, and mounting orientation, ensuring the pressure switch reads correctly and the seal holds. Generic traps often use different port diameters or seal depths, leading to leaks or nuisance pressure-switch trips. OEM is the reliable fit.
Easy to Moderate — DIY capable (about 30 minutes). Disconnect the drain hoses, remove the mounting screws, transfer the tubing to the new trap, and prime it with water before startup. Keep hose routing identical to the original.