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The Goodman 20201902 is a factory-original 23-inch condensate drain hose tube for the WGFM195090S5CAA 95% AFUE gas furnace. Cut and molded to the exact 23" length the cabinet layout requires, it connects the collector box and trap to the drain without excess slack that could sag, pool water, or kink. Correct drainage keeps the pressure switch satisfied and prevents nuisance lockouts on high-efficiency furnaces.
Trimming generic tubing to length risks the wrong diameter, uneven cuts, and slip-off leaks. This OEM Goodman 23" tube arrives at the correct length with the right barb fit for the WGFM195090S5CAA, so installation is fast and the seal is dependable.
Easy (1/5). Shut off power, slide the old hose off its fittings, and press the new 23" tube on, re-securing any clamps. Confirm a continuous downhill run to the drain and flush the trap. Roughly 10 minutes with no special tools. Use a licensed HVAC technician if you'd rather not do it yourself.