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The Goodman 0161F00046 condensate drain trap is a genuine OEM replacement engineered for the AMSS960402BNAA high-efficiency gas furnace and compatible Goodman/Amana 96% AFUE models. On a condensing furnace, the drain trap collects and routes acidic condensate away from the secondary heat exchanger and inducer assembly, maintaining the P-trap seal that prevents flue gas from escaping into the drain line. A cracked, clogged, or missing trap is one of the most common causes of nuisance pressure-switch lockouts and water leaks under the cabinet.
OEM vs. Generic: This is the factory Goodman part, molded to the exact port spacing and barb dimensions of the original. Universal generic traps often require adapters, sit at the wrong height, and can compromise the pressure-switch reference, leading to intermittent faults. The OEM trap drops in and seals correctly the first time.
Install difficulty: Easy (1/5). Power down the furnace, disconnect the condensate hoses, remove the old trap, transfer the hoses to the new trap, and prime it with water before restarting. No special tools required — typically a 10-minute job.
Replacing a worn drain trap restores proper condensate drainage and eliminates leak-related lockouts. Always confirm the part number against your unit before ordering.