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This is the factory OEM replacement combination gas valve for the Carrier YAC60140YAC102AT furnace, sold under OEM part number EF680015. The combination gas valve is the heart of your furnace's fuel delivery system — it opens on a 24V signal from the control board to allow precisely regulated gas flow to the burners. When this valve fails, the result is a no-heat condition: the igniter may glow, the inducer may run, but no flame is ever established. You may also see a lockout fault code on the control board related to failed ignition attempts or a gas pressure fault.
Compatibility: Designed as the OEM replacement for Carrier YAC60140YAC102AT. Confirm your unit's existing valve inlet/outlet size, coil voltage, and gas type on the furnace data plate before ordering. This valve includes an LP conversion kit for propane applications. Our fitment team is available to verify compatibility before you buy — reach out before placing your order. Order today and your part ships same day.