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The Goodman 20171701 is a genuine OEM condensate drain trap built for the AMVM960603BXAA high-efficiency modulating gas furnace. In a condensing furnace the trap performs two critical jobs: it routes acidic condensate away from the secondary heat exchanger and collector box, and it maintains a water seal that blocks flue gases from escaping through the drain line. A worn or mismatched trap can cause nuisance pressure-switch lockouts, water leakage, and combustion-gas bypass.
Universal traps rarely match the port spacing, barb sizes, or float/anti-bypass design of the Goodman original, which leads to leaks and repeated pressure-switch faults. The OEM 20171701 drops straight into the factory drain routing with the correct port geometry, restoring proper drainage and a reliable seal without adapters.
Moderate (2 of 5). Requires disconnecting drain lines, clearing residual condensate, and re-seating hoses with clamps — typically 15–30 minutes. Shut off power and gas before service, and prime the trap with water on startup. A licensed HVAC technician is recommended if the furnace is throwing pressure-switch codes.
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