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The Goodman 20201902 23-inch Condensate Drain Hose Tube is a genuine OEM drain line for the Goodman WFD195090S5DAB high-efficiency gas furnace. This longer 23-inch run carries condensate from the secondary heat exchanger and collector box to the drain trap. Over time, condensate-hose material hardens and cracks; replacing it prevents the water leaks, blocked-drain lockouts, and nuisance pressure-switch trips that stop a condensing furnace from firing.
A generic 23-inch tube may match the length but not the exact inner diameter or fitting profile of the WFD195090S5DAB, risking slow seep leaks at the connections. The genuine OEM 20201902 is pre-cut and molded for a factory-correct, leak-free connection with no guesswork.
Easy (1/5) — Slip-on replacement with clamp or coupling, about 10–15 minutes. Power down the furnace at the disconnect and verify the trap and drain are clear before restarting.