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This OEM combination gas valve is the factory-specified replacement for the Carrier PG8MEA048070ACJA gas furnace. The gas valve is the gatekeeper of your heating system — it receives a 24V signal from the furnace control board and opens to allow metered natural gas flow to the burner assembly. When this valve fails, the furnace will attempt ignition, the igniter will glow, but no gas will be delivered — resulting in a hard lockout, fault codes, and no heat. A failed gas valve is also commonly misdiagnosed as an igniter or flame sensor issue, so always verify the valve is opening before replacing other components.
Compatibility: Engineered for the Carrier PG8MEA048070ACJA packaged gas furnace. Verify your existing valve's voltage (24V), fuel type (natural gas), and outlet pressure (3.5" W.C.) against your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — don't let a no-heat call go overnight. Order now and ship today.