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The Goodman 20201901 is a genuine OEM condensate drain hose/tube used in the drainage system of the GMS950904CXA high-efficiency gas furnace. In a 95% AFUE furnace, combustion produces acidic condensate that must be routed safely away from the heat exchanger and inducer assembly. This factory-molded hose provides the correct length, bend radius, and fitting diameter to maintain a leak-free path to the drain trap.
The OEM 20201901 is pre-shaped and cut to fit the GMS950904CXA drain layout, so it seats on the factory barbs without kinking. Generic bulk tubing can work in a pinch but often requires trimming and may not match the exact inner diameter, risking slow leaks that corrode nearby components. OEM ensures a clean, reliable fit.
Easy. This is a straightforward swap — disconnect power, remove the old hose from its fittings, and press the new one into place. Most homeowners can complete it in under 15 minutes. Verify the drain trap is clear at the same time.