Automatic water pump switch
Made of high quality material for durability and stability.
It is suitable for self-priming pumps, jet pumps, garden pumps, water pumps, etc.
When the system line pressure reaches the upper limit, the power supply is automatically interrupted and the pump stops working.
When the system pressure reaches the lower limit, the power supply is automatically switched on and the pump starts to work.
Completely automatic control without manual operation.