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Keep condensate flowing correctly with the genuine Goodman 20171701 Drain Trap, a direct-fit condensate trap for the WGFM195045S3BAC high-efficiency gas furnace. In a condensing furnace the drain trap holds a water seal that lets acidic condensate drain while preventing flue gases from escaping and keeping pressure switches referencing correctly. A cracked, clogged, or dried-out trap is a frequent cause of pressure-switch lockouts and water leaks around the furnace base.
The OEM 20171701 matches Goodman's exact port layout, seal height, and connection sizes, so it drains freely and keeps the pressure-switch circuit stable. Generic traps may fit loosely or alter the water-column reference, triggering intermittent lockouts that are frustrating to diagnose. OEM ensures the furnace behaves exactly as designed.
Difficulty: Easy to Moderate. Shut down the furnace, disconnect the inlet and drain tubing, remove the old trap, prime the new trap with a little water to establish the seal, and reconnect all lines securely. Run a heating cycle and check for leaks and normal draining. Confirm the drain routing matches your original configuration before ordering.
Genuine OEM part, in stock, and guaranteed to fit the WGFM195045S3BAC.