New Pool Sentry M-3000 NA231 Automatic Water Leveler Swimming Pool Filler M3000

The Pool Sentry automatically maintains the water level of a pool, spa or pond so you don't have to! Easy assembly with no tools required. Adjust to your desired water level. The supply water stays on at all times when the Pool Sentry is in the pool. As the float drops, the water turns on. When the float reaches its set height, the water shuts off. As the hose is under constant water pressure, it is essential to use a heavy-duty, reinforced garden hose (not included). The Pool Sentry works with a pool water level that is 2 to 8" below the pool deck surface. Rated to 200 psi working pressure and 750 psi burst strength. Automatically controls water levels and never overfills. For use with in-ground and above-ground pools. Protects pump against burnout. Portable and easy to install. No tools required. Not for use with spas.