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The Goodman 20201802 Drain Hose Tube is a genuine OEM condensate hose for the AMVC951155DXBA high-efficiency furnace and compatible Goodman/Amana models. It carries acidic condensate between the secondary heat exchanger, drain trap, and outlet on 90%+ AFUE furnaces. Over time these hoses harden, crack, or clog with sediment and algae — a common cause of condensate leaks and pressure-switch faults. This factory-molded tube is cut to the correct length with the correct inside diameter for a leak-free, kink-free routing.
Bulk generic tubing can be the wrong diameter or wall thickness, leading to slip-off leaks or kinks that trap condensate and trip the pressure switch. The OEM Goodman hose arrives pre-sized to route exactly as designed, so drainage is reliable the first time. At this price, the exact-fit part is well worth it.
A 5–10 minute swap: power down, pull the old hose off its barbed fittings, and press the new one on. Confirm each connection is fully seated and test for free drainage. We recommend replacing all aging condensate hoses together during service.