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The Goodman 20171701 condensate drain trap is a genuine OEM component built for the AMS950904CXA high-efficiency (95% AFUE) gas furnace. In condensing furnaces, the drain trap channels acidic condensate away from the secondary heat exchanger and inducer while maintaining a water seal that blocks flue gases from escaping into the cabinet. A cracked or clogged trap leads to water leaks, pressure-switch faults, and nuisance lockouts.
The genuine Goodman trap matches the exact port sizing and body geometry your furnace's drain routing requires, ensuring a proper seal and no leaks. Generic traps often fit loosely and can compromise the water seal, triggering pressure-switch errors. We recommend the OEM part for a reliable, leak-free installation.
Moderate (3/5). Power down the furnace, disconnect the drain and inducer tubing, remove the old trap, and clean any debris. Prime the new trap with water before reconnecting hoses to establish the seal. Basic hand tools and towels are recommended for the cleanup.