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The Goodman 20171701 Condensate Drain Trap is a genuine OEM assembly for the GMH950704CXAE and related Goodman/Amana 95%+ AFUE condensing furnaces. High-efficiency furnaces produce acidic condensate that must drain freely while the trap maintains a water seal to block flue gases from escaping into the cabinet. A cracked, clogged, or algae-fouled trap causes pressure-switch faults, water leaks, and lockout codes.
The OEM trap matches the exact port layout and internal geometry required to hold the correct water seal against inducer pressure. Universal traps frequently leak or fail to seal, triggering pressure-switch errors. OEM is the dependable choice for condensate handling.
Difficulty: Moderate (3/5). Power down, disconnect drain and inducer tubing, remove the old trap, install and prime the new trap with water, then reconnect all lines. A licensed HVAC technician should confirm free drainage and correct pressure-switch operation.