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The Goodman 20171701 Condensate Drain Trap is a genuine OEM component for the GMH950905DXAA 95% AFUE condensing furnace and related Goodman/Amana high-efficiency models. In a condensing furnace the secondary heat exchanger produces acidic condensate that must drain freely; this factory trap maintains the correct water seal, preventing flue-gas pull-through while allowing proper drainage and keeping the pressure-switch circuit stable.
This original Goodman trap matches factory inlet/outlet spacing and seal depth exactly. Universal traps frequently require adapters and can hold the wrong water column, triggering pressure-switch faults and lockouts. OEM ensures leak-free, code-correct drainage.
Easy to Moderate — disconnect drain hoses, swap the trap, and prime it with water before restarting. Verify all hose clamps and check for leaks on first cycle.