Automatic Water Pump Pressure Controller Auto Control Unit Electronic Switch Features: This electronic intelligent water pump automatic controller can start or stop the pump according to the detected data of water source state, water volume and pipeline pressure change. The electric part and pipe are completely isolated for security. It could automatically maintain a constant pressure in the pipeline as well as a constant water flow speed. Automatically power on pump when open water valve and power off pump when close water valve or there is water shortage. It can control various kinds of pumps, widely used in house, courtyard, garden, greenhouse, etc. Specifications: Maximum Current: 10A Maximum Power: 1.1kW Maximum Pressure: 1Mpa(10bar) Inlet/Outlet Diameter: 1inch Package Includes: 1 x Controller Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. When installing, the distance between the switch and the pump should not be more than 10 meters, the pump and the switch is too far away from the water flow will cause insufficient to make the switch does not start, and it is recommended that the use of 1.1KW water pumps.