Follow these steps to open or close your valve remotely from the Neviweb application:
Login to your Neviweb account.
Go to the Device List page by tapping the middle icon at the bottom of the app.
Select your smart water valve.
Press once on the blue drop on the valve icon to close it. A red x will appear to indicate that the valve is closed, and the word CLOSED will appear below the icon.
To reopen the valve, simply press once on the drop icon (x) and the icon will turn blue. The word OPEN will also appear below the icon.