Lennox 33J38 Auto Limit Switch 115-145F

The Lennox 33J38 Auto-Limit Switch is a safety control component applied in different types of HVAC heating ventilation as air conditioning equipment. It acts as an alarm switch and stops the operation of the system in case the desired temperature fluctuations by ranging from 115°F – 145°F are exceeded. The limit switch prevents continuous operation at certain temperatures which may harm your HVAC systems. This automatic limit switch is used in air handling units, rooftop units, chillers, boilers, heat pumps, and furnaces. its role is crucialessential for maintaining safe and efficient operation of this equipment. Failure of a limit switch would cause a system to overheat some components to fail and in the worst case scenario shut down.