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This is the factory OEM combination gas valve for the Carrier PG8JEB042090AAJA gas furnace. The gas valve is the heart of your furnace's fuel delivery system — it receives the 24V signal from the control board, opens to allow natural gas flow to the burners, and closes instantly on shutdown or fault detection. When this valve fails, your furnace will lock out after ignition attempts, display a no-heat fault code, or fail to ignite entirely even when the igniter glows. Replacing with the correct OEM valve restores factory-precise gas pressure regulation and safe operation.
Compatibility: Direct OEM replacement for Carrier model PG8JEB042090AAJA. This valve also supersedes White-Rodgers part number 36J24-618. Always verify the part number on your existing valve's label before ordering, as gas valve specifications vary across furnace production runs. Questions about fitment? Our HVAC parts specialists verify compatibility before you order — contact us today.