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The Goodman 20171701 is a genuine OEM condensate drain trap designed for the AMVC951155DXAD 95% AFUE variable-speed gas furnace and compatible Goodman/Amana high-efficiency models. In a condensing furnace, the secondary heat exchanger produces acidic water that must drain freely; this trap maintains the proper water seal that lets condensate flow out while blocking flue gases from escaping into the cabinet or tripping the pressure switch.
This factory OEM trap is molded to match the exact port spacing, hose barb sizes, and seal geometry of your furnace's collector box. Generic traps often force awkward hose routing or leak at mismatched fittings — and a poor seal can cause pressure-switch faults and nuisance lockouts. The OEM 20171701 drops in without modification.
Easy (1/5). Typically a 10–15 minute job: power down the furnace, disconnect the drain hoses, remove the old trap, prime the new trap with clean water to establish the seal, and reconnect. Confirm hoses are secured and the drain line runs downhill to the floor drain or condensate pump. Clean the trap seasonally to prevent clogs from biofilm and debris.
Fast shipping and fitment guaranteed. Contact info@nationalhvacparts.com with your model number if you have questions.