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The Goodman 20171701 is a factory OEM condensate drain trap for the Amana/Goodman AMH950905DXAA 95% AFUE condensing gas furnace. In a high-efficiency furnace the secondary heat exchanger produces acidic condensate that must drain freely while the trap maintains a water seal against flue-gas leakage. A cracked, clogged, or missing trap causes water leaks, pressure-switch faults, and lockouts. This exact-fit replacement restores proper drainage.
The OEM 20171701 matches factory port sizes and mounting orientation so hoses seat without adapters. Universal traps frequently require re-plumbing and may not hold the correct seal height, leading to intermittent pressure-switch trips. OEM guarantees the fit.
Moderate (3/5) — Power off, disconnect condensate hoses (note their positions), remove the old trap, prime the new trap with water, and reconnect. Roughly 30 minutes; inspect hoses for clogs while access is open.