Acquaer Automatic Swimming Pool Cover Pump, Submersible Sump Pump with 3/4” Check Valve Adapter & 25ft Power Cord, Water Removal for Pool, Hot Tubs, Rooftops, Water Beds and More, 1/3 HP 2950 GPHBrand: Acquaer Features: Automatic On Off Switch: Acquaer pool cover pump has a automatic switch. It will automatically turn on when water has been detected at 2 ''. When the pump remove water to approximately 2 5 ", the pump will run for additional 60 seconds and then turn off Remove Water Efficiently: 1 3 HP pool cover pumps above ground moves up to 2950 gallons per hour. Bottom suction design can remove water down to 3 4 ". Great for removing water