The magnetic float swith is a device used to sense the level of liquid in a tank.There is a magnet in the float ball and a magneitc reed switch in the rod.when the liquid rises,it drives the float ball move（up or down）then output a singal.

application can be used for water dispenser, water heater, solar energy, air conditioning, humidifier, bathroom equipment, sales machine, oil tank, water tower, chemical liquid level control, kitchen equipment, water heater and other water heating equipment, such as dry burning water level sensor.It is widely used in automobile, industrial equipment, agricultural equipment and household appliances.