Lennox 83L75 Limit Switch 322056-301 Accurate temperature feedback is critical

Accurate temperature feedback is critical for proper system control and efficiency

you should source a full pump bolt and gasket kit separately to ensure a secure high-pressure seal

allowing for dry sensor replacement while maintaining a high-performance thermal link to the medium

and eight replacement screws for the aluminum housing cover

Lennox 83L75 Limit Switch 322056-301 Accurate temperature feedback is criticalThe 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.