the internal bimetal disc triggers a circuit interruption to prevent equipment damage

engineered for fixed-speed reliability in 115V single-phase applications

For technicians troubleshooting Carrier furnace limit switch issues

reducing service time during routine maintenance or field replacements

all of which force the motor to draw excess amperage

Lennox 69W37 Fan Control 326070-701 the internal bimetal disc triggersThe Lennox 69W37 Fan Control, also identified as a L165 30F limit control, is a critical safety and operational component designed for precise thermal regulation in Lennox furnaces and air handling units. This fixed temperature limit switch features a 165 degree Fahrenheit open and 130 degree Fahrenheit close calibration, ensuring the heat exchanger remains within safe operating parameters while maintaining consistent blower cycles. Engineered for