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The Goodman 20201802 is a factory OEM condensate drain hose (tube) for the Amana/Goodman AMH950905DXAA 95% AFUE condensing gas furnace. It routes acidic condensate from the collector box and secondary heat exchanger to the drain trap. Over time these hoses harden, crack, or clog with scale, causing water leaks and pressure-switch faults. Replacing with the correct pre-formed OEM hose ensures proper routing and a leak-free seal.
The OEM 20201802 is molded to the exact length and bend radius for this cabinet, so it seats on the factory barbs without kinking. Cut-to-fit generic tubing can kink or pull loose, causing leaks and nuisance lockouts. OEM ensures correct routing.
Easy (1/5) — Power off, slide the old hose off its barbed fittings, and press the new hose fully onto both connections. Under 10 minutes; check for a snug, leak-free fit.