h2flow LSWA LevelSmart™ Wireless Autofill System - Level-up your pool game, with the LevelSmart™ Wireless Autofill System. LevelSmart is an innovative device designed to help homeowners, property managers, builders, and maintenance companies with the challenges of maintaining water levels in pools, spas, ponds, water features, and tanks. LevelSmart eliminates the chore of filling the pool manually and the risk of over-filling it, with 24-hour-per-day wireless monitoring. LevelSmart can be easily installed to any new or existing application.