The Schneider Electric (Erie) AG23D020 is a 208V AC, normally open (N/O), two-position actuator. Belonging to the reliable Erie PopTop series, it incorporates a spring return mechanism for guaranteed fail-safe operation. Designed for direct mounting onto zone valves in HVAC systems, it efficiently controls the flow of hot or chilled water. Featuring an 18-inch appliance cable, electri... https://www.partshnc.com/ag23d020-schneider-electric-erie-208v-no-actuator