Lennox 83L75 Limit Switch 322056-301 Two-Stage Regulation: Optimizes fuel delivery

Two-Stage Regulation: Optimizes fuel delivery for improved thermal efficiency and reduced cycling wear on the heat exchanger

this grey-enclosure unit is the 025-36433-001 direct cross replacement for legacy systems

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

Accurate temperature feedback is critical for proper system control and efficiency

eliminating the need for universal hub adapters or shaft modifications

Lennox 83L75 Limit Switch 322056-301 Two-Stage Regulation: Optimizes fuel deliveryThe 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.