Jandy Pro Series K2000 Levolor Hi Lev With Sensor 150 110/220V is ideal for pool and spa systems with water features where evaporation and splash out is common. Levolor addresses the concern of lost water with sophisticated electronics that monitor water levels and keep the beautiful aquascape flowing.This unique electronic compensate for waves, and our exclusive lock-out feature will not overfill the pool. With no moving parts to break or rust, Levolor ensures a reliable flow of water. Fill with High Level Switch Electronic fill device used where a consistent water level is desired and a high level setting is detected. Ideal for vanishing edge and perimeter overflow pools or fountains.This model will automatically turn on the vanishing edge pump and fill the catch basin to test water level.