Lennox 83L75 Limit Switch 322056-301 a technician must manually depress

a technician must manually depress the reset button after identifying and cleared the cause of the blockage

ensuring long-term reliability even in areas exposed to environmental stressors

Simplified Installation: Standard threading and lightweight design allow for rapid field replacement by licensed contractors

which is essential for powering gas valves

Accurate temperature feedback is critical for proper system control and efficiency

Lennox 83L75 Limit Switch 322056-301 a technician must manually depressThe Lennox 83L75 Limit Switch is a critical safety component designed for HVAC furnace flame roll out and high limit protection. Engineered to Lennox OEM specifications, this auto reset thermal limit switch operates within a precision range of 100 145F. As a primary safety device, the 83L75 monitors temperature spikes within the heat exchanger and interrupts the burner circuit if thresholds are exceeded to prevent system damage or hazardous operation.