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The Goodman 20171701 Condensate Drain Trap is a genuine OEM part for Goodman and Amana AMH950904CXAD 96% AFUE gas furnaces. In a high-efficiency furnace, the secondary heat exchanger produces acidic condensate that must drain away safely. This trap maintains a water seal that lets condensate exit while blocking flue gases from escaping into the cabinet or living space. A cracked or clogged trap causes water leaks, pressure-switch faults, and lockouts.
The OEM Goodman 20171701 is molded to match this furnace's drain-port geometry and internal trap height, guaranteeing a proper seal and correct drainage path. Generic traps often require adapters and may not maintain the same water column, leading to pressure-switch nuisance trips. OEM is recommended for reliable condensate management.
Moderate (2–3/5) — Disconnect the drain and pressure-switch tubing, unclip the old trap, install the new one, and prime it with water. Allow 15–25 minutes and verify no leaks on start-up.
Disconnect power before servicing. Prime the trap with water so the first cycle seals correctly.