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This OEM combination gas valve is the factory-specified replacement for the Carrier YAC48110YAC103AT packaged heating unit. The gas valve is the heart of your system's fuel delivery — it receives the 24V signal from the control board and opens to allow metered gas flow to the burners. When it fails, symptoms include a complete no-heat condition, a furnace that attempts ignition but locks out, or an error code indicating gas valve fault. Replacing it with a genuine OEM part (EF680015) ensures the valve meets original factory pressure, flow, and safety specifications.
Compatibility: Designed for the Carrier YAC48110YAC103AT packaged gas/electric unit. Verify inlet/outlet size and operating voltage on your unit's data plate before ordering. Need fitment confirmation? Our HVAC parts specialists verify compatibility before you buy — contact us today and get your system back up and running fast.