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The Goodman 20201802 condensate drain hose tube is a genuine OEM part for the GDS90805D2AA gas furnace. This pre-formed flexible tube routes condensate from the drain trap and secondary heat exchanger to the drain outlet, keeping the furnace's condensate path clear and leak-free for reliable high-efficiency heating.
The genuine Goodman tube is molded to the correct length, bend radius, and inner diameter to seat firmly on the furnace's barbed ports. Generic tubing can kink, slip off, or restrict flow, causing condensate backup and pressure-switch lockouts. OEM guarantees a proper, no-leak connection.
Easy (1/5). Slip-on replacement — pull the old tube from its fittings and press the new one on. Under 10 minutes with no special tools. Shut off power before servicing and confirm all connections are snug.