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The Goodman 20201901 is a genuine OEM condensate drain hose tube built for the GMV950905DXA two-stage, variable-speed 96% AFUE gas furnace. It carries acidic condensate from the collector box and secondary heat exchanger to the drain trap. Because it is molded to the furnace's specific internal routing, it maintains the proper drainage slope and seals tightly at every barbed connection — critical for preventing water backup and pressure-switch nuisance faults.
This factory tube arrives pre-formed to the exact geometry of your furnace. Generic tubing must be cut and bent by hand, risking kinks, sags, and improper slope that cause condensate to pool and the furnace to lock out. The OEM part guarantees correct fit the first time.
Easy — disconnect the worn tube from its fittings and press the replacement firmly onto each barb, confirming a continuous downhill drain path. No power or special tools needed; double-check for leaks before running the furnace.