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The 0161F00046 is the OEM condensate drain trap for the Goodman/Amana AMVS960805CUAA 96% AFUE modulating furnace and compatible high-efficiency models. In a condensing furnace, the secondary heat exchanger produces acidic condensate that must drain freely; this trap maintains the water seal that lets condensate exit while blocking flue gases from escaping into the cabinet. A cracked, clogged, or missing trap is a leading cause of pressure-switch lockouts and water leaks around the furnace base.
The genuine OEM trap matches the furnace's exact inlet/outlet port geometry and trap depth, ensuring the correct seal height. Aftermarket or shop-built traps frequently leak or produce nuisance pressure-switch faults because the seal depth is wrong. For reliable drainage, OEM is strongly recommended.
Easy–Moderate (2/5). Power down the furnace, disconnect the condensate hoses, remove the old trap, prime the new trap with water, and reconnect. Budget 15–25 minutes. Confirm the trap is primed before restarting to avoid a startup lockout.