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The Goodman 20201901 is a genuine OEM condensate drain hose tube designed specifically for the WGFM295115V5DAA high-efficiency gas furnace. It manages the routing of acidic condensate away from the secondary heat exchanger and collector box, protecting your furnace cabinet and floor from moisture damage while keeping the pressure-switch circuit satisfied.
Genuine Goodman tubing is manufactured to precise inner-diameter and wall-thickness tolerances so it seats tightly on the OEM barbed fittings and resists collapse under the negative pressure of an induced-draft system. Universal replacement hose frequently fails to seal or degrades quickly when exposed to condensate acidity, leading to slow leaks and repeat service calls. Choosing OEM eliminates guesswork on sizing and compatibility.
Easy (1/5). A straightforward hand-swap — power and gas off, pull the old hose from its fittings, press on the new tube, and re-secure any clamps. Confirm proper condensate flow and check for leaks before returning the unit to service.