How To Turn Off Sprinkler System Valve. Turn the valve key counterclockwise to turn off the valve. Just so, how do you manually run a sprinkler system?
Main shutoff valve for irrigation: Turn off the water supply and then the system itself from the control panel. Turn on the water supply and flush the valve out for 15 seconds.
This will turn the water system off and on.
The zone won’t turn off. To test it out, turn the irrigation system back on for a minute, then shut it off. Just so, how do you manually run a sprinkler system? To the supply line, the handle must be perpendicular in a ball valve.