LH680014 LH680534 Furnace Flame Sensor Replacement Part

LH680014 LH680534 Furnace Flame Sensor Replacement Part

Key Features

• Detects the presence of a flame in the furnace burner assembly.
• Signals the main control board to shut off the gas valve if a flame is not detected, enhancing operational safety.
• Constructed from high-quality, durable materials for reliable performance and long service life.
• Designed as a direct-fit replacement for specified models.

Replaces / Cross-Reference Part Numbers

• LH680534
• LH680014
• LH680012
• LH33WZ511

Compatibility & Fitment

• Compatible with specific furnace models from Carrier, Bryant, Payne, and Day & Night.
• Verify fitment by matching your original part number with the numbers listed in the cross-reference section.

When to Replace

• The furnace ignites but then shuts down after only a few seconds.
• The furnace control board displays an error code indicating a flame sensor fault.
• The existing sensor rod is cracked, severely corroded, or has heavy carbon buildup that cannot be removed by cleaning.

Installation Tips

• Always disconnect electrical power and shut off the gas supply to the furnace before beginning installation.
• Handle the new sensor by its ceramic insulator; avoid touching the metal rod with bare hands to prevent oil contamination.
• Ensure the sensor is securely mounted and the sensing rod is correctly positioned in the path of the flame.
• After installation, reconnect power and gas, then run a full heating cycle to confirm correct operation.