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The Goodman 20214203 is the OEM condensate drain angle fitting for the GMV951155DXBB 96% AFUE two-stage gas furnace. This angled elbow directs condensate from the collector assembly into the drain line at the correct pitch. A cracked or misfit angle fitting causes slow drips inside the cabinet and can corrode nearby components over time.
OEM vs. Generic: The genuine 20214203 has the exact angle, port size, and sealing surface designed for your furnace's drain system. Generic elbows may not seal against the factory grommets or may alter the drain slope, risking backups. The OEM fitting drops in without modification.
Install difficulty: Easy (1/5). Disconnect the drain tubing, swap the angle fitting, and reconnect. No special tools required. Shut off power and gas before servicing, and check for leaks after restart.