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The Goodman 20214203 is a genuine OEM drain angle fitting designed for the ACV90704CXBB high-efficiency furnace and related Goodman/Amana condensing models. This angled elbow redirects condensate from the heat exchanger and inducer drain ports into the drain hose and trap, maintaining the proper downhill slope the system needs to drain by gravity. A worn, cracked, or improperly angled fitting causes water to back up, triggering condensate-overflow and pressure-switch faults that shut the furnace down.
This genuine Goodman OEM angle is molded to the precise diameter and bend the furnace's drain layout requires, ensuring a leak-free, gravity-fed connection. Generic fittings frequently mismatch the port size or angle, forcing adapters that introduce leak points and disrupt drainage. On a condensing furnace where reliable drainage is a safety interlock, the OEM fitting is the dependable choice.
Easy (DIY-friendly). Turn off power to the furnace, detach the drain hose, remove the old angle fitting, and press the new 20214203 into place at the original orientation before reconnecting the hose. The job takes about 10 minutes with no special tools. Verify the fitting maintains a continuous downhill slope and test for free-flowing condensate before restarting.