Description
The Lennox 18J37 175-205F Auto Limit Switch is safety device used in an HVAC apparatus to measure and regulate temperature in heating apparatus. It is designed to switch on and off the furnace and other heating systems and only controls the heat input depending on the prescribed levels of temperature that should range between 175-205°F, The major task of a thermistor is to protect the system from over heating by interrupting the circuit and switching off the heater in case the temperature becomes unbearable. The key contribution of the Auto Limit Switch is achieved through – controlling temperature levels to help safety guard the HVAC system and its environment to lower the risks or damages or fire risks.
