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The Goodman 20201802 is a genuine OEM condensate drain hose tube engineered for the GCH950453BXAB high-efficiency gas furnace and compatible Goodman/Amana 95% AFUE models. This flexible drain line routes condensate away from the secondary heat exchanger and drain pan, keeping your furnace running dry and corrosion-free during the heating season.
This OEM Goodman hose is molded to the exact bend radius, length, and fitting diameter specified by the factory, so it seats cleanly without kinks or leaks. Generic universal tubing can fit loosely, collapse under a tight bend, or degrade faster when exposed to acidic condensate — leading to water damage and nuisance pressure-switch lockouts. For a leak-free seal the first time, the genuine part is the safe choice.
Easy (1/5). A simple slip-on connection that most homeowners can replace in minutes with the furnace powered off. Detach the old hose from the drain pan and trap, press the new tube fully onto each barb, and confirm a snug fit. No special tools required.
All parts are genuine Goodman components backed by exact-fit compatibility. Questions about fitment? Contact info@nationalhvacparts.com.