Are u tired of controlling ur pumping machine/ Submersible pumps manually? this automatic switch is for u, it automatically switch on/off ur machine when water level in the tank come up/goes down.
*we can also do the installation.*
this product is popular and can be used in lots. It is suitable for house, factories and Werken in swimming pools, barrels, tanks and other containers, which include water, oil, anti-acid and anti-alkali