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The Goodman 20201802 is a genuine OEM condensate drain hose tube for the Amana/Goodman AMVM961155DXAA high-efficiency condensing furnace. On 90%+ AFUE furnaces, combustion produces acidic condensate that must be routed cleanly away from the heat exchanger and collector box. This factory-molded hose is shaped to the exact routing path inside the furnace cabinet, ensuring a leak-free, kink-free connection.
Generic vinyl tubing rarely matches the pre-formed bends of the OEM hose, leading to kinks that trap water and trigger pressure-switch lockouts. The genuine 20201802 is molded to fit the AMVM96 cabinet exactly, so condensate flows freely the first time.
Very Easy (1/5). A 5–10 minute swap: cut power, note the hose routing (a photo helps), release the retaining clamps, remove the old hose, and press the new one onto the same fittings. Confirm no kinks and run the furnace to verify drainage.
Cracked, brittle, or leaking drain hoses are a common cause of water at the furnace base and repeated safety lockouts — replace at the first sign of wear.