Electronic Water Leveler Electronic fill device maintains water levels in two bodies of water, such as a pool/spa with two separate sets of equipment. The K‐2300 can be used in any situation where a consistent water level is desired. Levolor K‐2300 addresses the challenge of lost water due to evaporation and splashing with sophisticated electronics that monitor water levels. The device compensates for waves, and the exclusive lock‐out feature will not overfill the pool. With no moving parts to break or rust, Levolor ensures a reliable flow of water for your pool and spa. The Levolor® line of products maintains a specific level of water in a pool, spa, fountain or negative edge basin to prevent damage to filtering equipment, lights, and landscapes.