Lennox 97W45 Limit Switch L140°F-30°F

The Lennox 97W45 Limit Switch is an anti-cycling component included in Lennox HVAC products including furnaces and air conditioners. It acts as a thermistor an electrical circuit is interrupted when its temperature is too high 140°F. this off the heating element thus avoiding over heating and consequently damaging of the machine. Limit Switch is a small device that is powered by electrical supply of 24V AC, 50 Hz. Another reason it helps to keep up a standard of consistent and efficient HVAC working is it shields your system against high temp. The Limit Switch makes it a surety that your HVAC system works well and without a hitch by protecting it from operating at dangerous temperatures.