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The genuine Goodman 0161F00046 Condensate Drain Trap is a direct-fit replacement for the ACSS921005CNAA high-efficiency gas furnace. In a condensing furnace, the secondary heat exchanger produces acidic condensate that must drain away while the trap maintains a water seal that blocks flue gases from escaping into the cabinet. A cracked, clogged, or brittle trap causes water leaks, pressure-switch faults, and ignition lockouts. A fresh OEM trap restores proper drainage and a reliable gas seal.
This genuine Goodman OEM trap matches the exact port size, inlet/outlet geometry, and seal volume the furnace requires for correct pressure-switch operation. Generic traps often have mismatched fittings that leak or trip the pressure switch. For trouble-free drainage and warranty compliance, the OEM part is recommended.
Moderate (2/5). Power off the furnace, disconnect the condensate hoses and any pressure-switch tubing, remove the old trap, and fit the new one — priming it with water to establish the seal before restart. Check all hose clamps for leaks. Plan 20–30 minutes; have a towel ready for residual condensate.