Matt Automatic Water Pump Pressure Switch Electric Controller

- 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.- It Automatically powers 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.- The wiring diagram inside the terminal block will show you how to make correct connection. Wrong connection will destroy the whole electronic circuit.- Cable used for connection must be a three-wired one with compulsory grounding end.