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This OEM flame sensor (part number LH680013) is the factory-specified replacement for the Carrier PG9MAA060120ABKA gas furnace. The flame sensor is a critical safety component — it passes a small electrical current through the burner flame to confirm ignition. When the sensor rod is coated in oxidation or fails entirely, the control board cannot verify a live flame and shuts off the gas valve within 5–8 seconds of ignition as a safety measure, causing a frustrating no-heat short-cycle condition.
Compatibility: Engineered as a direct OEM drop-in for the Carrier PG9MAA060120ABKA gas furnace. Verify your existing part number against LH680013 on your unit's wiring diagram or data label before ordering. Not sure it fits? Contact our HVAC parts specialists — we verify fitment before you buy. In stock and ships today.