The Enviro-Tec PE-09-0125 Limit Switch L125-20F is a temperature-sensitive safety control designed for HVAC equipment such as fan coil units, air handlers, and heating systems. It monitors temperature and opens or closes the electrical circuit when a preset limit is reached, helping regulate operation and protect equipment from excessive temperatures. This limit switch supports reliab... https://www.partshnc.com/pe-09-0125-enviro-tec-l125-20f-limit-switch