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The Goodman 20201901 is a factory-original condensate drain hose tube shaped specifically for the AMS950453BXA gas furnace. It moves acidic condensate along the drainage path connecting the collector box, drain trap, and inducer assembly. Its pre-molded contours keep the run free of kinks and sags so water drains continuously instead of backing up — the leading cause of pressure-switch lockouts and standing water in high-efficiency furnaces. Replacing an aged, brittle, or algae-clogged hose restores reliable drainage and prevents nuisance shutdowns.
This OEM hose matches the exact length, bend, and barb diameter of your furnace, so it seats securely without adapters or clamps. Generic tubing lacks the factory bends and tends to develop low spots that trap water. For a drainage component where a single kink triggers a no-heat call, the OEM part is the dependable choice.
Rated 1/5. Shut off power, slide the old hose off its fittings, and press the replacement onto the same barbs — no tools needed. About 10 minutes. Check the trap and adjoining hoses for buildup while access is open.