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The Goodman 20201901 Condensate Drain Hose Tube is the genuine OEM drain line for AMH950453BXAC gas furnaces. It carries condensate from the furnace's secondary heat exchanger to the drain trap, keeping moisture out of the burner compartment and control board. A correctly sized, factory-molded hose is critical to maintaining proper drainage slope and preventing overflow that can trip the pressure switch or float safety.
Aftermarket hose often has the wrong bend radius or inner diameter, causing kinks and slow drainage. The genuine OEM 20201901 matches the furnace's factory routing exactly, seats securely on the drain barbs, and protects your equipment warranty.
Easy (1/5). Power down the furnace, slide off the old hose, and press the replacement onto the drain fittings until fully seated. Verify a continuous downhill path to the trap and check for leaks after restarting. Typical replacement time is under 15 minutes with no special tools.