Carrier HH18HA276 Auto Limit Switch 225-275F

The Carrier HH18HA276 is a automatic limit switch for in Carrier HVAC equipment. It has the function of preventing operation at high temperatures by turning the system off once the temperature rises to a certain level. This switch works based on the heat and turns off the electrical circuit whenever the temperature goes between 225°F and 275°F to prevent overheating of the equipment. This automatic limit switch is usually installed in furnaces and other heating equipment. As it turns off the system when the temperature rises, it protects the equipment from failure and thus has a long service life which makes it possible to install it in different HVAC devices.