Can I use the LevelSmart if I have a pool cover? June 15, 2022 21:17 Updated Yes, the LevelSmart will continue to fill with or without the pool covering. Related articles What power does this unit require? How does the Sensor communicate with the Valve Controller? Can I use there LevelSmart with an negative edge pool? How does the LevelSmart Sensor attach to my pool or spa? What do the LevelSmart LEDs indicate?