FUNCTIONS
1. Start and stop the pump automatically
2. Protect the pump from damage caused by dry-running

DESCRIPTIONS
   This automatic pumpo control is mainly used in household for controlling the running of pump. Joint screw:G1"male
1.It start the electric pump automatically after a pressure decrease(taps opening)and stops it when the fluid flow interrupts at the maximum pressure level of the electric 
pump(taps closed),keep the household water supply system in water supply state with a constant pressure.
2.Protect the pump,in the case of water shortage or jam, it is able to indentify these fault and at the same time stop the pump