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This is the factory-original condensate drain hose tube (OEM part number 20201901) engineered for the Goodman/Amana AMVC951155DXAD 96% AFUE two-stage variable-speed gas furnace. In high-efficiency condensing furnaces the drain system carries acidic condensate away from the secondary heat exchanger and collector box; a cracked, brittle, or clogged hose leads to water leaks, pressure-switch lockouts, and nuisance shutdowns. Replacing it with the correct OEM tube restores proper drainage and protects the furnace cabinet and control board from moisture damage.
Generic drain tubing is sold by the foot and rarely matches the molded bends, connection diameters, and length of the factory part. The OEM 20201901 is pre-formed to route exactly through the AMVC951155DXAD cabinet, seating cleanly at the collector box and drain trap without kinking. Generic universal hose can work in a pinch but often needs trimming, adds strain at the barbs, and increases the risk of slow leaks. For a reliable, leak-free repair we recommend the genuine Goodman part.
Easy (1 of 5). Most homeowners can swap this hose in 10–15 minutes with the power off. Disconnect the old tube from its barb fittings, note the routing, seat the new hose, and secure any clamps. Always shut off electrical power and gas before servicing and confirm the drain flows freely before restoring power.