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This is the factory OEM replacement flame sensor for the Carrier GB3AAV060115ACJA gas furnace. The flame sensor is a safety component — a metal rod that detects the presence of a burner flame by passing a small electrical current through it. When the sensor becomes coated with oxidation or carbon buildup, it can no longer confirm flame presence to the control board, causing the furnace to ignite briefly and then shut down after just 5 to 8 seconds in a safety lockout. Replacing the flame sensor is one of the most common and cost-effective furnace repairs available.
Compatibility: Designed specifically for the Carrier GB3AAV060115ACJA gas furnace. Always confirm your existing OEM part number (LH680014) on the original sensor or your unit's service label before ordering. Our parts specialists are available to verify fitment prior to purchase — order with confidence and get back to heat fast.