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The Goodman 20171701 is a genuine OEM condensate drain trap engineered for the GMV950453BXAB 96% AFUE two-stage variable-speed gas furnace. High-efficiency condensing furnaces produce acidic condensate that must drain freely while the trap holds a water seal to block flue gases from entering the cabinet. This factory part restores that seal to spec and keeps your secondary heat exchanger draining properly.
Our OEM Goodman trap matches the original port spacing, height, and barb sizing exactly, so it seats without adapters and preserves proper drainage angle. Generic universal traps may fit dimensionally but often require rework of hoses and can leak or lose their seal, risking pressure-switch faults and nuisance lockouts. For a condensing furnace, the exact-fit OEM part is the reliable choice.
Difficulty: Easy (1/5) — Typical DIY time 15–20 minutes. Power off the furnace, disconnect the inlet and outlet drain hoses, remove the old trap, prime the new trap with water, and reconnect. No special tools required. Always confirm compatibility with your model and serial before installing.
Replacement part only. Follow all Goodman service instructions and local codes.