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The Goodman 20201901 is a genuine OEM condensate drain hose tube built for the AMVC950905DXBA and related Goodman/Amana modulating high-efficiency gas furnaces. This heavier drain hose handles the primary condensate path from the collector box assembly, carrying acidic combustion water to the furnace trap and drain line. Precise sizing keeps the drain train sealed and free-flowing, which is critical for reliable pressure-switch operation and to avoid water-related shutdowns on 95% AFUE condensing units.
The genuine 20201901 matches the factory bend radius and barb diameters, seating leak-free the first time. Generic replacements frequently require trimming and force-fitting, which can crack fittings or create slow leaks that corrode the burner compartment. The OEM part restores original performance without guesswork.
Easy (1/5). Remove the old hose, transfer clamps, and press the new hose onto the drain barbs ensuring a continuous downhill slope. Cut power and gas before servicing. A licensed HVAC technician is recommended if you are unfamiliar with condensate drain routing.