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This OEM condensate drain trap (part #20171701) is a factory-original component for the Goodman WGFD295090V5DAA high-efficiency condensing furnace. The trap collects and drains acidic condensate from the secondary heat exchanger while maintaining a water seal that blocks flue gases from escaping into the cabinet.
The OEM Goodman drain trap is molded with the correct port layout, seal height, and fittings for a direct, leak-free fit. Generic traps may not align with the furnace's drain ports or hold the proper water seal, leading to nuisance lockouts and flue-gas leakage. OEM ensures safe, code-correct condensate handling.
Moderate (2/5). Disconnect the drain hoses, swap the trap, and re-seat the connections; prime the trap with water before restart. Most confident DIYers can complete it in under 30 minutes.