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The Goodman 20201902 is a genuine OEM 23-inch condensate drain hose tube designed for the AMVC950905DXBA and compatible Goodman/Amana modulating variable-speed furnaces. Its factory-cut 23-inch length routes condensate from the secondary heat exchanger drain point to the trap without excess slack or tension. On high-efficiency condensing furnaces, correct hose length is essential to maintain proper slope and prevent standing water that can trip the pressure switch or overflow the collector box.
Because this hose is pre-cut to the exact 23-inch factory length with the correct barb ends, the OEM 20201902 installs without measuring or trimming. Generic bulk tubing must be cut and fitted by hand, introducing the risk of wrong length, kinks, or a poor seal. The OEM part removes that uncertainty.
Easy (1/5). Disconnect the old hose, attach the new 23-inch tube to both drain fittings, secure clamps, and verify a downward slope to the trap. Always shut off electrical power and gas first.