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The Goodman 20201902 23-inch Drain Hose Tube is a genuine OEM condensate hose pre-cut to 23 inches for the AMEH960805CXAA high-efficiency gas furnace. The factory length and correct inner diameter let it reach between the collector box, trap, and drain outlet without splicing, stretching, or kinking — a common failure point when installers substitute random tubing.
Like all condensate-carrying hoses, this tube handles mildly acidic water and repeated heat cycling; over time generic or aged hoses stiffen and crack, leading to leaks in the burner area, corrosion, and intermittent pressure-switch faults. Replacing with the exact 23" OEM part restores a clean, reliable drainage path.
OEM vs. Generic: The OEM 20201902 arrives at the correct 23" length with the right ID, so it seats fully on each barb and follows the intended routing. Generic tubing forces you to guess length and diameter, risking loose fits, kinks, and drainage backups.
Install difficulty: Easy (1/5). Power down the furnace, remove the old hose, route the new 23" hose along the original path, and press it firmly onto both fittings while maintaining a downward slope to drain. Roughly 5 minutes, no tools needed.