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The Goodman 20201901 Condensate Drain Hose Tube is the genuine OEM drain line for the ACVC90704CXAA 96% AFUE condensing gas furnace. This pre-formed tube routes acidic condensate from the furnace's collector box and trap to the discharge, holding its shape through the cabinet's tight bends. Hardened, split, or clogged drain tubing causes water leaks and pressure-switch lockouts; a fresh OEM tube restores reliable drainage.
The OEM Goodman tube is molded to the exact length and routing this furnace requires, so it clears internal components and seats on the factory fittings without kinks. Generic bulk tubing is cheaper but must be measured and bent by hand, and an incorrect run can pinch or sag. For a guaranteed-fit drain path, the OEM tube is recommended.
Easy (1/5). Remove the old tube from its barbed fittings and route the replacement along the same path; secure any clamps. Roughly 10 minutes. Cut power and keep a towel ready for condensate.