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This is the factory OEM replacement combination gas valve for the Carrier PG8MAA048070AGJA 80% efficiency gas furnace. The gas valve is the critical safety and flow-control component that opens to allow natural gas to reach the burners upon a verified call for heat. When it fails, the furnace will attempt ignition but produce no flame — resulting in a hard lockout, a no-heat condition, or repeated ignition retries with fault codes. Replacing the valve with the correct OEM part restores factory-calibrated gas pressure and ensures safe, reliable operation.
Compatibility: Direct OEM fit for Carrier model PG8MAA048070AGJA. Verify your existing valve's part number, inlet/outlet connection size, and operating voltage before ordering. This valve is rated for natural gas at 3.5" W.C. — not suitable for LP/propane applications without an approved conversion kit. Questions about fitment? Our HVAC parts team verifies compatibility before you order — contact us today and get your furnace back online fast.