It starts 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 electirc pump(taps closed)
Starting pressure is adjustable during installation,adjustment range:1.0-3.5bar.
Joint screw:G1" male.
Completely replaced traditional pump control system composed of pressure switch,pressure tank and check valve,etc.
Stop the water pump in the case of water shortage.
Automatic reset after a stop caused by dry running,standard time-interval 60min/1 tests.