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The Goodman 20171701 Condensate Drain Trap is a genuine OEM part for the Goodman/Amana AMV91155DXBC 96% AFUE condensing furnace. In a high-efficiency furnace the secondary heat exchanger pulls latent heat from the flue gases, producing acidic condensate that must drain safely. This trap maintains a water seal that lets condensate exit while preventing flue gases and combustion pressure from escaping through the drain line.
The genuine OEM Goodman trap matches the exact port sizing, orientation, and pressure-switch tap of your furnace. Universal traps often need adapters and can create low-pressure faults or leaks. OEM guarantees a drop-in fit.
Difficulty: Easy (2/5). Disconnect power, remove the old trap from the drain manifold, transfer the hoses, and clean out any sludge before reinstalling. Flush the new trap with water to prime the seal — about 20 minutes. Clean the trap annually to prevent clogs and lockouts.