Carrier LH680534 Flame Sensor

SKU: LH680534 4-LH680534 Brand:
Carrier
Availability:
In Stock
(1)
$35.78 Price reduced from $47.95
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Description

The Carrier LH680534 Flame Sensor is a component of internal safety and a detection element in the heating systems of compatible units. It senses the existence of any flame in the process of burning, which is relayed to the furnace control board. The sensor is installed in the burner assembly where it is able to check the heat and ionization of the flame. It supports safe combustion management, assists in avoiding the flow of unburned gases, and ensures the stability of work during the regular heating processes.
Manufacturer Name: CARRIER
Product Number: LH680534
OEM Part Number: LH680534
Product Description: Flame Sensor

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Step1: Shut off furnace power and gas supply to ensure better working conditions.

Step2: Open the burner access panel and place the existing flame sensor rod.

Step3: Unscrew the mounting bolt and gently remove the old sensor from the bracket.

Step4: Clean the surrounding burner area to remove carbon buildup before installation.

Step5: Install a new Carrier sensor and tighten securely without over-torquing.

Step6: Restore power and gas, then run the system to confirm stable flame detection.

  • What maintenance is required for the Carrier LH680534 Flame Sensor?

    Regularly inspect the flame sensor for soot or debris buildup and gently clean it with a fine cloth or emery paper. Ensuring a clear sensor improves ignition reliability. Always turn off power before servicing to prevent shocks or damage.

  • What are common issues with the Carrier LH680534 Flame Sensor?

    • Failure to detect flame, causing the furnace to shut down
    • Intermittent ignition or delayed burner start
    • Sensor corrosion or buildup affecting performance
    • False flame detection or erratic furnace operation

Customer Reviews

5 Based on 1 reviews
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1 review
  • Detects Flame
    Casey —

    Solved intermittent ignition problems immediately.

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