How To Turn Off Sprinkler System Manually. Shutting off sprinkler system with the controller. What to do if the sprinkler won’t shut off.
The only way for me to turn off the zone is to shut off the water. Depending on your individual sprinkler controller, your “off” button may appear as “rain off,” or simply “rain.” activating the “off” switch should be all that you need to do in order to shut down the system via the controller. Turning off the system at the water source.
Turn off main water supply to sprinkler system after identifying the trouble valve.
The water flow will be wholly stopped if you turn the handle to 90 degrees left to right. Turn off the water to the entire sprinkler system. To remove the entire valve: How to turn off sprinkler system?