This Johnson Controls temperature control device is designed to regulate temperatures within a range of 20 to 80 degrees Fahrenheit. With an adjustable differential of 3.5 to 14 degrees, it allows for precise temperature control in various applications. The device comes with a 6-foot capillary tube for easy installation and flexibility in positioning. It is suitable for use in HVAC systems, refrigeration units, and other temperature-sensitive environments where maintaining accurate and consistent temperatures is crucial.