Unscrew the old solenoid and replace it by screwing it clockwise.

Replacing solenoid on sprinkler valve. If you try to do this yourself, turn off the power and the water to the sprinkler head before you start. Hunter sprinkler valves use a solenoid switch to open and close the valve when prompted by the irrigation control box. Whether it's stuck open or stuck closed, clint's here to help.

Shut off the water supply to the sprinkler system. No more leaky valves.get this, and all the things we've used on doityourselfdad here:. Turn off the water supply.

A while back, while replacing a fence, i hit a sprinkler line. A problem with the plunger can prevent the solenoid from closing the valve when it’s time. Once you diagnose what the problem is you're more likely to be able to repair it.

Once you have determined the location of each of your valves, you can go back and dig up the valve boxes. Using the pliers, strip back a few centimetres of bare wire and connect by twisting together the existing wires. Remove the valve bonnet assembly and spring.

Remove the two wire connectors on the wires leading to the bad solenoid, then untwist the wires to separate them. Solenoids are the black cylindrical objects on top of the valve with two. That means your sprinklers will keep running after they’re supposed to stop.

It's easy to work out what the problem is. Now carefully line up the new top on the old valve, making sure that the solenoid is on the same side as it was on. Cut as close as possible to.