Lennox 83L75 Limit Switch 322056-301 eliminating the need for universal

eliminating the need for universal hub adapters or shaft modifications

which is essential for powering gas valves

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

and eight replacement screws for the aluminum housing cover

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

Lennox 83L75 Limit Switch 322056-301 eliminating the need for universalThe 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.