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The Goodman 20171701 Condensate Drain Trap is a genuine OEM replacement engineered specifically for the Goodman GCH90703BXAA high-efficiency gas furnace and compatible 90%+ AFUE models. This trap collects and channels condensate produced during combustion while maintaining the water seal that prevents flue gases from escaping into the drain line and living space.
The OEM 20171701 matches factory port spacing, barb sizing, and seal geometry exactly, so it drops in without adapters and preserves your furnace warranty. Generic universal traps can save a few dollars up front but often require re-plumbing, may not hold a proper water seal, and can trigger nuisance pressure-switch faults. For a condensing furnace, an exact-fit trap is the safer long-term choice.
Easy — DIY friendly (about 15–20 minutes). Power down the furnace, disconnect the drain hoses, remove the old trap, install the new 20171701, prime it with water to establish the seal, and reconnect. Always verify the trap is filled before restarting to avoid a pressure-switch lockout.
Ships fast and backed by our fit guarantee. Confirm your model number before ordering to ensure a correct match.