AG13A01A - Normally Closed Spring Return Two-Position Actuator - 24VErie AG13A01A Normally Closed Spring Return Two Position Actuator 24V The PopTop series valve bodies and actuators provide easy installation for a variety of heating and cooling applications. The valves actuator can be installed after the valve body has been installed onto the fan coil, baseboard or air handler. Features Synchronous motor drive with spring return. Variety of voltages available. Mounts directly onto the body without the need for