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The Goodman 20171701 Condensate Drain Trap is a genuine OEM replacement for the Goodman ACSH960904CXAA high-efficiency (96% AFUE) gas furnace and compatible models. On condensing furnaces, the drain trap collects acidic condensate from the secondary heat exchanger and routes it to the drain while sealing against flue gas escape and air infiltration. A cracked, clogged, or brittle trap causes water leaks, pressure switch faults, and ignition lockouts — this OEM trap restores proper drainage and a leak-free seal.
This genuine OEM Goodman trap matches the exact port locations, float, and sealing geometry of your furnace cabinet. Generic traps rarely align with factory drain routing and can leak flue gas. OEM ensures a drop-in fit and a code-compliant seal.
Moderate (2/5). Power down, disconnect the drain and pressure-switch tubing, remove the old trap, prime the new trap with water, and reconnect all hoses securely. Verify no leaks and that pressure switches close on startup.