Precision Thermal Calibration: Fixed 185°F trip point prevents equipment damage and potential safety hazards during restricted airflow events

When converting or servicing propane units

Automatic Thermal Protection: The 101-200°F auto-reset capability eliminates the need for manual intervention after temporary temperature spikes

and Luxaire furnace cabinets

Lennox 44L48 Flame Sensor Precision Thermal Calibration: Fixed 185°FEnsure reliable ignition sequences and system safety with the Lennox 44L48 Flame Sensor. As a critical OEM replacement part, this sensor is engineered to provide precise flame rectification, detecting the presence of a burner flame and sending a microamp signal to the SureLight ignition control board. Failure to confirm this signal typically results in a furnace lockout or short cycling, where the burners ignite but extinguish within seconds. Designed