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This genuine OEM Goodman 20171701 condensate drain trap is designed for the WGFM195045S3BAB high-efficiency gas furnace. In a 90%+ AFUE furnace, combustion produces acidic condensate that must be safely captured and routed to the drain. The drain trap maintains a water seal that prevents flue gases from escaping the condensate line while allowing water to drain freely, protecting both furnace performance and indoor air quality.
The OEM 20171701 is molded to fit the exact port locations and hose diameters of the WGFM195045S3BAB, ensuring a leak-free seal on the first install. Universal generic traps often require adapters and can leak or trap incorrectly, leading to pressure-switch faults and furnace lockouts. Choosing OEM eliminates fitment guesswork.
Easy to Moderate — Involves disconnecting condensate hoses, removing the old trap, clearing any blockage, and seating the new trap with its clips or fasteners. Typically a 15–25 minute job. Prime the trap with water before restarting the furnace.