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The Goodman 20201802 is a genuine OEM condensate drain hose tube cut and formed for the Goodman ACSH960453BXAA condensing furnace and compatible 96% AFUE platforms. This flexible tubing carries condensate between the secondary heat exchanger, the drain trap, and the inducer/pressure-switch connections, keeping the furnace's condensate path sealed and properly routed.
This genuine Goodman OEM hose is pre-cut to the correct length and inner diameter for your furnace's drain layout. Generic tubing purchased by the foot may be the wrong bore, kink at the factory bends, or slip off the barbed fittings — leading to condensate leaks and pressure-switch faults. The OEM tube seats securely on the original fittings.
Easy — a 5–10 minute swap. Pull the old hose off its barbed fittings, slide the new hose into place, and secure with the original clamps if equipped. Shut off power before servicing. Inspect for kinks and confirm a tight fit so the condensate path stays sealed.