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The Goodman 20201902 23-Inch Condensate Drain Hose Tube is a genuine OEM flexible drain line for the Goodman GKS90904CXAG high-efficiency gas furnace and compatible GKS90-series units. Pre-cut to 23 inches, it routes acidic condensate between the collector box, trap, and drain outlet. Replacing a hardened or clogged hose eliminates leaks and prevents pressure-switch and inducer lockouts caused by backed-up condensate.
This Goodman OEM hose is factory-cut to the exact 23-inch length and diameter needed for your furnace's drainage layout, so it reaches the ports without kinking or stretching. Generic tubing must be measured and trimmed by hand, and an incorrect length can kink at bends and pool condensate. The OEM hose ensures a clean, correct routing.
Easy — Slip-fit onto the factory ports and secure with the existing clamps. Shut down the furnace, catch any residual water, and press the hose fully home at each connection. A quick DIY-friendly swap.