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The Goodman 20201902 is a genuine OEM 23-inch condensate drain hose tube engineered for the WFD195045S3BAB high-efficiency gas furnace and other compatible Goodman/Amana models. It routes acidic condensate away from the secondary heat exchanger and drain trap, protecting internal components from moisture damage and corrosion. Cracked, brittle, or clogged drain tubing is a leading cause of furnace lockouts and water leaks around the cabinet base — replacing it with the correct OEM part restores proper drainage and keeps your system running clean.
Our OEM 20201902 is molded to the exact length, diameter, and bend tolerances of the original, ensuring a leak-free connection at the trap and drain fittings. Generic aftermarket hose may require cutting or force-fitting and can slip off under thermal cycling. For a guaranteed factory fit, the OEM part is the safe choice.
Easy (1/5) — Typically a slip-on replacement requiring no special tools. Always shut off power and gas before servicing. Roughly 10–15 minutes for a DIYer comfortable inside the furnace cabinet.