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The Goodman 20171701 Condensate Drain Trap is a genuine OEM replacement engineered for AMVC950905DXAB modulating variable-speed gas furnaces. This trap collects and safely routes condensate away from the secondary heat exchanger and inducer assembly, maintaining the water seal that prevents flue gases from escaping into the cabinet. A cracked, clogged, or missing trap is a leading cause of pressure-switch faults, nuisance lockouts, and water pooling inside the furnace base.
This is a factory OEM Goodman part, built to the exact port geometry and seal tolerances of your furnace. Generic or universal traps often require adapters, leak at the fittings, or fail to hold the proper water seal — leading to repeat pressure-switch trips. Choosing OEM guarantees a drop-in fit and preserves your equipment warranty.
Difficulty: Easy (1/5). Power down the furnace, disconnect the drain lines, remove the old trap, install the new 20171701, then re-prime with water before restart. Typical replacement takes 15–20 minutes with basic hand tools. Always verify the trap holds a water seal after refilling to avoid flue-gas recirculation.