Carrier HH19ZA955 Auto Limit Switch 100°F-155°F

The Carrier HH19ZA955 is an Auto Limit Switch an essential component in controlling the limiting the heating of the HVAC systems. It is a small size, 2” in length, 2” in width, and 1.25” in height, but it is designed to be solid. This switch works within the range of 100°F to 155°F thus offering the better performance and safety in heating equipment. As used in furnaces, heat pumps and most heating systems, this switch limits temperatures automatically and turns off the system if the temperatures go beyond a certain limit which helps in maintaining the lifetime of the systems.