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This OEM flame sensor with wire (part number LH680014) is the factory-specified replacement for the Carrier PG8UAA036065ABJA gas furnace. The flame sensor is a critical safety component — its flame rod generates a small microamp current when it detects a burner flame, signaling the control board to keep the gas valve open. When the sensor's rod becomes coated with oxidation or carbon buildup, the current drops below the board's threshold and the furnace shuts down — typically 5 to 8 seconds after ignition. This results in repeated short-cycling, a no-heat condition, and often a fault code on the control board.
Compatibility: Designed for the Carrier PG8UAA036065ABJA packaged gas furnace. Always cross-reference part number LH680014 against your unit's data plate or wiring diagram before ordering. Our HVAC parts specialists are available to confirm fitment — don't hesitate to reach out before you buy.