Automatic Water Level Controller compatible with Pump with 220V 4A Float Switch and 2m Cable Edition 1107 Usage Tips:ApplicationThis Floating Switch is suitable compatible with controlling the pump work, adjusting the liquid level, and also can be installed on the submersible pump to control and protect the motor Field of ApplicationThe Float Switch can be widely used in swimming pools, barrels, tanks and other containers containing water, oil, acid and alkali in households, factories and mines MaterialThe Water Level Regulator is made of polypropylene, which has good airtightness, can prevent leakage and ensure product accuracy Easy to UseThis Water Level Regulator is designed according to the principle of gravity and buoyancy, it can be automatically adjusted, easy to operate, easy to install, easy to use NoteThis float switch can be used directly compatible with motor below 7 50W, if the motor is larger than 750W, it is recommended to use an AC contactor