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The genuine Goodman 20214203 drain angle is the OEM elbow fitting that redirects condensate flow within the drain system of the GCV91155DXBB high-efficiency gas furnace. This angled connector links drain hoses to the collector box, trap, or inducer port at the precise bend the furnace geometry requires. A cracked or leaking angle fitting causes water under the cabinet, corrosion, and drain-pressure-switch faults that shut the furnace down.
This OEM Goodman fitting is molded to the exact angle and barb diameters of the GCV9 drain assembly, so hoses seat fully and seal without adapters. Generic elbows often mismatch the barb size, requiring shims or extra clamps that leak. OEM keeps the drain path tight and warranty-compliant.
Rated Easy (1 of 5). Typically a 10-minute swap. Shut off power and gas, slide the hoses off the old fitting, seat the new angle, and re-secure clamps. Confirm a leak-free drain before returning the furnace to service.