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The Goodman 20201802 Drain Hose Tube is a genuine OEM condensate line for AMVC950905DXAB high-efficiency furnaces. It carries condensate between the collector box, drain trap, and pressure-switch ports. Over time, factory hoses can harden, crack, or clog with biofilm — causing leaks, blocked drainage, and pressure-switch faults. This exact-fit replacement restores reliable condensate flow.
OEM hoses are pre-formed to the correct length, bend radius, and fitting diameter for your furnace. Generic bulk tubing often kinks, slips off the barbed ports, or has the wrong wall thickness — leading to leaks and repeat service calls. The 20201802 drops in exactly where the original was routed.
Difficulty: Easy (1/5). Power down the furnace, slide the old hose off both barbed fittings, and press the new 20201802 firmly into place. Verify there are no kinks and that the routing matches the factory path. Takes under 10 minutes with no special tools.