Liquid Float Switch Water Float Sensor

A float switch is a device used to sense the level of liquid within a tank, it may actuate a pump, an indicator or an alarm
Use them with hydroponics, saltwater tank, freshwater tank, gardening, aquariums for power head control, pet bowls, fish tanks, filtration, heating, pumps, ponds, basement alarms, boats, air condition drain pans, pressure washers, carpet cleaning mach, reef aquarium, fluid control, ice machines, coffee pots, marine, automotive, automobiles, tropical fish tanks, evaporator coils, condensation line, in relays etc., It can be easily converted from open to close by inverting the float.
Note: Switch can carry the current is much little(0.5A), you must use a relay or contactor when it is connected by a load.