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The Goodman 20201901 Drain Hose Tube is a genuine OEM condensate hose engineered for the ACV90905DXBA high-efficiency gas furnace and compatible Goodman/Amana models. This pre-formed tube carries acidic condensate between the collector box, trap, and drain along the factory routing path, holding its shape to prevent the kinks and sags that trap water and trigger pressure-switch lockouts. Replacing an aged or cracked hose restores reliable drainage and prevents cabinet water damage.
The OEM hose arrives pre-bent to the exact length and curve for this furnace, dropping in without trimming or guesswork. Generic tubing must be measured, cut, and shaped by hand and may sag or kink over time, causing slow leaks and intermittent faults. OEM gives a proper, lasting fit.
Easy (1/5). Shut off the furnace, slide the old hose off its barbed fittings, route the new hose along the same path, and reattach any clamps. No special tools required. Allow about five minutes and verify a clean condensate flow afterward.