The Z101JFCZ PS is a part manufactured by Kradex, a company that specializes in the production of control and automation solutions. It is a pressure switch designed to monitor and control valves, pumps, compressors, and other equipment by detecting changes in air, water, or hydraulic pressure. The switch is compact and easy to install due to its uni-swivel and O-ring connection, and is also equipped with a reset button. It has a maximum pressure range of 10-250 PSI and can be used in a variety of industrial applications, such as HVAC systems, water treatment plants, and gas processing plants.