Flow-Rite System 4 Actuator Fill/EMPTy/Recirc - Actuator Black/White. This Flow-Rite livewell switch features fill/empty/recirculate functionality allowing you to keep your livewell stocked or emptied as you wish. System 4 Actuator from Flow-Rite is made with precision high-quality materials for optimal performance and reliability. With a patented four-wire system this Flow-Rite livewell accessory is made to be efficient and reliable. Flow-Rite fill/empty/recirculate switch is for use with V4 series valves and requires two MD-093 screws for installation. This is the only recirculation switch that gives you control over your livewell Features of Flow-Rite System 4 Actuator Fill/EMPTy/Recirc - Actuator Fill/Empty/Recirculate switch For use with V4 series valves Requires two MD-093 screws not included Control your livewell with just the flip of a switch Actuator Color: Black/White Package Contents: Flow-Rite System 4 Actuator Fill/EMPTy/Recirc - Actuator Flow-Rite MC-1-04-100: System 4 Actuator Fill/EMPTy/Recirc - Actuator Black/White