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The Goodman 20201902 is a genuine OEM 23-inch condensate drain hose tube designed as a direct-fit replacement for the GCH950905DXAB gas furnace and compatible Goodman condensing models. This longer drain hose carries condensate from the collector box or secondary heat exchanger to the drain trap or termination point. Its precise 23-inch length ensures a clean routing path without excess slack that can trap water or create air locks. Aged tubing that has hardened, split, or clogged leads to water leaks, inducer corrosion, and pressure-switch trips — replacing it with the correct OEM length keeps condensate flowing freely.
The genuine 20201902 arrives pre-cut to the exact 23-inch factory length with the correct inner diameter for a secure slip-on seal. Generic tubing sold by the foot must be measured and cut, and often uses a wall thickness that kinks at bends. For dependable, leak-free drainage, the OEM hose eliminates guesswork.
Easy (1/5). Shut off furnace power, detach the old hose at both ends, and press the new 23-inch tube onto the drain fittings. No tools needed. Confirm free drainage before returning the unit to service.