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The genuine OEM Goodman 20171701 condensate drain trap is engineered for the Amana/Goodman AMVC950905DXAD 95% AFUE variable-capacity gas furnace and compatible high-efficiency models. In a condensing furnace, the secondary heat exchanger produces acidic condensate that must drain freely while maintaining a water seal that blocks flue gases from escaping through the drain line. This trap does both — routing condensate to the drain while preserving the pressure barrier the furnace needs to vent correctly.
Aftermarket traps frequently differ in port spacing and internal geometry, causing leaks, poor drainage, or a lost water seal that lets flue gas migrate into the cabinet. This genuine OEM trap matches Goodman's exact fitment and corrosion-resistant construction for reliable condensate management and warranty compliance.
Rating: Moderate (3/5). Power down the furnace, disconnect the drain hoses, remove the old trap, and install the new one — priming it with water to establish the seal — in about 30–40 minutes. Check every hose connection for leaks and confirm free drainage before returning the unit to service. Keep the trap clean seasonally to prevent clogs and nuisance pressure-switch faults.