Water level switch is mainly used in equipment which request water level is regularly kept unchangeably. As a water level automatic control, it works when connected with implementation devices such as water pumps or solenoid valves.

Water level switch can be widely used in automobile industry equipment, agriculture equipment and household electrical appliances such as ceiling air conditioners and solar water heaters.

Function characteristics: when liquid level rises (or falls), switch will turn on/turn off (alternative).