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This is the factory OEM combination gas valve (part number EF32CB212) for the Carrier GA1AAD042070ABJA gas furnace. The combination gas valve is the critical component that regulates and controls the flow of gas to the burner assembly. It responds to 24V signals from the control board to open and allow gas flow during a heating cycle. When this valve fails, you may experience a complete no-heat condition, repeated ignition lockouts, or a furnace that attempts to light but never sustains a flame — even when the igniter and flame sensor test as good. A faulty gas valve may also produce error codes related to gas pressure or valve circuit faults on the control board.
Compatibility: Designed specifically for the Carrier GA1AAD042070ABJA gas furnace. Verify your unit's data plate for gas type (natural gas vs. LP/propane) and inlet pressure specifications before ordering, as valve configurations differ. Our fitment team is available to confirm compatibility before you purchase — same-day shipping available on all in-stock OEM gas valves.