An essential component of an in-ground sprinkler system is the valves governing household irrigation systems. If your irrigation system includes a sprinkler valve, you rely on it to function correctly. If your sprinkler valve system isn’t working correctly, it might be aggravating. It’s crucial to go over common reasons why this might be happening.

My Sprinkler Valve is Stuck Open

You may not open your sprinkler valve correctly. Maybe the sprinkler head is dusty or completely damaged. There could also be a pipe from a broken door and a problem with the voltage system or the backflow device valve.

Even though it may be time-consuming to investigate all possible causes of your sprinkler valve not opening correctly, it must ensure that it functions effectively.

A stuck-open valve can soon convert your lawn into a swamp, killing all the grass in the vicinity. Although many homeowners hire their local irrigation care firm for sprinkler repair service in Jacksonville to fix a jammed open valve.

Let’s take a look at how to fix a sprinkler valve not opening.

Materials Required to Repair a Sprinkler Valve.

Tools & Equipment

  • Screwdrivers
  • Multimeter
  • Shovel (as needed)


  • Diaphragm replacement (optional)
  • Zone valve replacement (optional)

The following are the steps involved in troubleshooting the sprinkler valve repair.

Step 1

Find the flow control on the valve (a plastic screw that protrudes from the valve’s center) and turn it to the right until it stops, then turn it four complete turns to the left. This operation flushes air pockets out of the valve if they keep it from turning off, and opening it up four turns assures adequate water flow while preventing further air pockets.

Step 2

Turn the solenoid on the valve to the right (a cylinder-shaped plastic component with two wires), ensuring that the solenoid is positioned correctly to close the valve. If unsure, it’s best to consult an expert.

Step 3

Find the irrigation system’s main water supply. It’s frequently near your home’s or basement’s outlet. First, go and turn it off.

Step 4

With the screwdriver, loosen and remove all of the top screws to remove the cover from the valve. Remove the rubber diaphragm, taking care not to damage the huge spring on top. Check for debris beneath the diaphragm and clean it out so that, no obstacles prevent the valve’s diaphragm from shutting the water flow.

Step 5

Examine the diaphragm for signs of wear and tear. If the diaphragm shows inflexibility or corrosion, it should be replaced. Remember to line up the diaphragm with the screwdriver before reinstalling and screwing down the valve cover with the screwdriver. It is also important to line up the diaphragm with the screw holes and place the spring on it.

Step 6

Reconnect the sprinkler system’s water supply. Unless your controller is now providing it with power, the valve is fixed and will switch off.

Once you’ve found the broken part, replace it, reassemble the valve, and test the system to determine if the problem has been resolved.


If your irrigation system’s water won’t turn off, the issue is most likely with the valves. Other aspects of the system, such as the controller, may also require troubleshooting your sprinkler valve stuck open.

A DIYer may quickly repair the components inside a valve, but if you aren’t sure we would recommend consulting a professional. Experts in the field of sprinkler valve replacement will offer you a quick solution.

Need a Sprinkler Repairs Quickly? Call (904) 823-9008