The Parker-Jackes Evans 78047 AC Coil 120V H23SR is a replacement electrical coil designed for HVAC control and refrigeration equipment. Operating at 120 volts, the coil works by creating an electromagnetic field when energized, allowing it to actuate compatible relays, contactors, or control components. It is commonly used in air conditioning and refrigeration systems to support reli... https://www.partshnc.com/78047-parker-jackes-evans-h23sr-120v-ac-coil