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Accurate temperature feedback is critical for proper system control and efficiency
ensuring long-term reliability even in areas exposed to environmental stressors
which is essential for powering gas valves
and eight replacement screws for the aluminum housing cover
eliminating the need for universal hub adapters or shaft modifications
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.