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The Goodman 20201802 Condensate Drain Hose Tube is a genuine OEM replacement for the Goodman GCH90703BXAA high-efficiency gas furnace. This factory-molded hose routes acidic condensate away from the heat exchanger and inducer assembly to the drain trap, using heat- and corrosion-resistant material designed for continuous exposure to condensing-furnace runoff.
The OEM 20201802 is pre-formed to the correct length and bend radius, so it seats on the factory barbs without kinking or pooling. Generic hose cut from bulk stock can trap water, sag, or crack early when exposed to acidic condensate. For reliable drainage and no nuisance faults, exact-fit tubing is worth it — especially at this price.
Very Easy — DIY friendly (about 10 minutes). Power down the furnace, slide the old hose off its barbs, press the new 20201802 fully onto each fitting, and confirm there are no kinks or low spots. Pour water through to verify free drainage before restarting.
Genuine Goodman part at an economical price, ships fast. Verify your model number for a guaranteed fit.