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The Goodman 20201901 condensate drain hose tube is a genuine OEM replacement for the ACV90704CXBA high-efficiency gas furnace. This formed tube moves acidic condensate through the furnace's drainage circuit, connecting the collector box and trap to the drain. Cracked, brittle, or disconnected tubing leads to standing water, pressure-switch trips, and nuisance shutdowns — installing the correct factory hose restores a sealed, properly pitched condensate path.
This OEM Goodman hose is pre-molded to the exact length and bend profile for the ACV90704CXBA, so it seats on the factory barbs without kinking. Generic tubing relies on hand-cutting and bending and commonly kinks or slips off the fittings, causing slow leaks behind the cabinet. Choose OEM for a guaranteed fit and warranty compatibility.
Very Easy (Beginner). Shut off power to the furnace, remove the old hose from its fittings, press the new 20201901 fully onto both barbs, and verify a kink-free run. Roughly a 5–10 minute, tool-free replacement.