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Restore proper condensate drainage on your AMV90704CXBA high-efficiency gas furnace with the genuine Goodman 20201902 drain hose tube. This 23-inch flexible tube routes acidic condensate from the secondary heat exchanger and inducer housing to the drain trap. A cracked, brittle, or kinked hose is one of the most common causes of nuisance pressure-switch lockouts and water pooling inside the burner compartment, so replacing it with the correct-length OEM part keeps your 96%+ AFUE furnace running clean and dry.
The genuine Goodman tube is cut to the exact factory length and molded from condensate-rated material that resists the mildly acidic water produced by condensing furnaces. Generic cut-to-fit tubing may work short-term but can soften, collapse, or fail chemical resistance, leading to leaks and repeat service calls. For a reliable, worry-free repair we recommend the OEM part.
Easy (1/5) — Typically a 10-minute repair. Power down the furnace, release the hose clamps, slide off the old tube, and press the new tube onto the fittings. No special tools required. Confirm the drain trap is clear before restoring power.
Compatible with Goodman and Amana AMV90704CXBA furnaces. Questions about fit? Contact info@nationalhvacparts.com.