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The Goodman 20201901 is a genuine OEM condensate drain hose/tube for the GCH950904CXAA 95% high-efficiency gas furnace. This is a longer, pre-formed drain line that routes acidic condensate from the collector box and secondary heat exchanger to the drain trap. Because it is molded to a specific bend, it holds its shape and clears internal components without kinking. Hardened, cracked, or clogged condensate tubing is a frequent cause of water leaks, pressure-switch faults, and heating lockouts — a fresh factory tube restores reliable drainage.
This OEM Goodman tube arrives at the correct length with the factory bore and molded routing, so it seats on the barbs and follows the cabinet layout exactly. Generic straight hose can kink at the required bends or use the wrong inside diameter, causing loose joints and slow drips. For a corrosive condensate application, the factory-spec line is the dependable choice.
Roughly 15 minutes. Cut power at the furnace, photograph the existing routing, remove the old tube from its barbed fittings, and press the replacement fully onto each port. Preserve the downhill slope to the trap and confirm no kinks. Watch the first heating cycle for leaks.