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The Goodman 20201902 is a genuine OEM 23-inch condensate drain hose/tube for the GKS91155DXAE high-efficiency gas furnace. Cut to the exact factory length, this tube carries acidic combustion condensate along its designed route between the collector box, drain trap, and outlet. Original drain hoses stiffen, crack, and clog with scale over years of service — the leading causes of base-pan leaks, pressure-switch errors, and nuisance no-heat lockouts. A fresh, correctly-sized hose restores clean, reliable drainage.
The OEM 20201902 arrives at the precise 23-inch length and correct diameter your furnace requires — no measuring, no risk of a too-short or kinked line. Generic bulk tubing must be cut and often fits loosely at the barbs. OEM guarantees an exact, leak-free fit and preserves your warranty.
Easy. A quick 10–15 minute replacement: shut off power, remove the old hose from its barbed fittings, and press the new 23-inch tube into place along the same route. Confirm there are no low spots that could pool water.
Ships fast and backed by our exact-fit guarantee.