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The Goodman 20201802 is a genuine OEM condensate drain hose/tube for the GMV91155DXBA 96% AFUE furnace and compatible Goodman/Amana condensing models. It routes acidic condensate between the secondary heat exchanger, collector box, drain trap, and outlet. Over time these hoses become brittle, kinked, or clogged with scale — restricting drainage and causing pressure-switch faults or water leaks inside the cabinet.
The OEM Goodman hose is pre-cut to the correct length with the proper inside diameter for a leak-free slip fit on the GMV9 collector ports. Generic bulk tubing must be sized and trimmed by hand and often fits loosely, inviting leaks. For a few dollars, OEM saves the hassle.
Easy. Slip the old hose off, push the new one on, and secure any clamps — usually 5–10 minutes. Cut power first and inspect the trap and collector box for debris while the hose is off.
Guaranteed to fit the GMV91155DXBA. Questions? Contact info@nationalhvacparts.com.