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The Goodman 20171701 Condensate Drain Trap is a genuine OEM replacement for the high-efficiency Amana/Goodman AMH951155DXAA condensing gas furnace. In a 96% AFUE furnace, combustion produces acidic condensate that must drain safely away. This factory-molded trap maintains the proper water seal, routes condensate to the drain line, and prevents flue gases from backing up through the drainage system. A cracked or clogged trap causes water leaks, pressure-switch faults, and lockouts.
OEM vs. Generic: The OEM trap matches the exact port layout, seal height, and fittings of your furnace's drainage manifold — critical because an incorrect trap depth will trip the pressure switch. Generic traps rarely align with Goodman's specific port geometry. Choose OEM for a leak-free, fault-free fit.
Install difficulty: Moderate (3/5). Power down, disconnect the drain hoses and pressure-switch tubing, remove the old trap, and connect the new one — priming it with water to establish the seal. Plan 20–30 minutes. Confirm no leaks and that the furnace clears any pressure-switch codes on restart.