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The Goodman 20201902 condensate drain hose tube is a genuine OEM 23-inch length engineered for the GMH950904CXAB high-efficiency gas furnace and compatible Goodman/Amana 90%+ AFUE models. The pre-cut length routes condensate from the furnace collector box to the drain trap or condensate pump without splices or guesswork.
The OEM Goodman 20201902 arrives at the exact 23-inch length the GMH950904CXAB drain layout calls for, so there is no measuring, cutting, or over-tight routing. Generic bulk hose forces you to cut to length in the field and often uses a wall thickness that kinks at the furnace's tight bends. The OEM tube installs right the first time.
A quick 15–25 minute swap. De-energize the furnace, release the clamps on the old hose, connect the 23-inch OEM tube between the collector box and the drain trap, and confirm the run slopes continuously downward. Check for leaks and clear condensate flow before returning the unit to service. No special tools required.