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The Goodman 20171701 is the factory condensate drain trap for the Amana/Goodman AMH950905CXAB 95% AFUE furnace. In a high-efficiency furnace the secondary heat exchanger produces acidic condensate that must drain freely while the trap holds a water seal against combustion-air pressure. A cracked, clogged, or missing trap causes water leaks, pressure-switch faults, and nuisance lockouts. This OEM trap restores a proper seal and clean drainage path.
Universal traps often use the wrong port spacing or fitting size, forcing adapters that leak. The genuine 20171701 matches Goodman's factory port layout and pressure rating for a leak-free, drop-in replacement that keeps the pressure switch happy.
Easy to Moderate — disconnect the drain hoses, unclip the old trap, flush the new trap, and reconnect. Prime the trap with water before startup so the switch reads correctly. Most homeowners can complete this with basic hand tools in under 30 minutes.