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The Goodman 20201902 is a genuine OEM 23-inch condensate drain hose tube for the GME950403BXAA high-efficiency gas furnace. This pre-cut length carries acidic combustion condensate between the collector box, drain trap, and cabinet outlet on 90%+ AFUE systems. Aged tubing that has stiffened, split, or fouled with scale causes leaks and nuisance pressure-switch lockouts — this OEM hose is the exact factory length and diameter for a clean, drip-free replacement.
Because the OEM Goodman 20201902 is supplied at the correct 23" length and ID, it seats fully on the factory barb fittings for a leak-free seal. Generic bulk tubing must be cut to length and can slip or drip if the diameter is off.
Very Easy (1/5). Slide the old hose off, push the new 23" hose onto the fittings, and secure the clamps. Shut off furnace power and re-prime the drain trap before returning to service.