Ironton Submersible Pump with Float Switch and Auto On/Off - 1in. Port, 1268 GPH, 1/8 HP, Model# 108981 Drains pool covers, ponds, flooded cellars and boat bilges Automatic on/off action with mechanical float Starts when water reaches 18-19 inches and stops when water is lower than 6-7 inches Float switch performance will vary depending on tank type and size 110V motor with built-in thermal overload