Unique Bargains 10mm Thread Dia Water Level Sensor Stainless Steel Right Angle Floating Switch

A float switch is a device used to sense the level of liquid within a tank. The switch may actuate a pump an indicator an alarm solar energy or other device. Note: because the current that the switch can carry is much little(0.5A) you must use a relay or contactor when it is connected by a load relay or contactor are not included here.