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The Goodman 20201901 is a genuine OEM condensate drain hose tube engineered for the AMV91155DXBA 96% AFUE two-stage gas furnace and other compatible Goodman/Amana high-efficiency models. During normal operation a condensing furnace produces water vapor that must be channeled away from the heat exchanger and inducer assembly. This factory-spec hose routes that condensate cleanly to the drain trap, preventing pooling, corrosion, and nuisance lockouts caused by clogged or cracked tubing.
Unlike universal aftermarket hose that must be cut and adapted, this OEM tube arrives pre-sized with the correct diameter and bend for a no-guesswork installation. Generic tubing often kinks at the factory routing points or slips off barbed fittings over time, leading to condensate leaks and water damage. Choosing the genuine 20201901 protects your warranty and guarantees the exact fitment the furnace was designed around.
Rated Easy (1 of 5). Most DIYers can swap this hose in under 15 minutes: power down the furnace, disconnect the old tube from the drain trap and collector box fittings, seat the new hose on the barbs, and secure with the existing clamps. No special tools required.
Compatibility note: Always verify your unit's model and serial before ordering. Fits AMV91155DXBA; contact us at info@nationalhvacparts.com to confirm other models.