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The Goodman 20171701 is a genuine OEM condensate drain trap assembly built for the WGFD293090V5DAB high-efficiency gas furnace and compatible Goodman/Amana models. In a condensing furnace, the trap safely routes acidic condensate away from the secondary heat exchanger and inducer while maintaining a water seal that blocks flue gases from escaping through the drain line. A cracked or clogged trap is a leading cause of pressure-switch lockouts and water leaks.
The OEM 20171701 matches Goodman's exact port spacing, barb sizes, and internal trap geometry so it seats without modification and holds the correct water seal depth. Generic traps frequently mismatch the drain ports, forcing awkward adapters that leak. For proper drainage and safe operation, OEM is the reliable choice.
Disconnect power, remove the drain hoses and mounting screws, transfer connections to the new trap, and prime it with water before restarting. Verify no leaks and confirm the pressure switch closes on a heat call.