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This Goodman 20201902 is a genuine 23-inch condensate drain hose tube built for the AMS950904CXA high-efficiency gas furnace. It carries condensate from the drain trap or collector box to the field drain line, maintaining proper slope and flow so the furnace's pressure switches stay clear and the unit runs without water-related fault codes.
The OEM 20201902 arrives pre-cut to the correct 23-inch length with the right inner diameter for a slip-fit seal. Off-brand tubing forces you to measure and cut, and a wrong length can create traps or sags that hold water and trip the furnace. The factory part removes the guesswork.
Easy (1/5). Power down the furnace, push the hose onto the fittings, secure the clamps, and confirm free drainage. Typically a 10–15 minute job with no special tools.