Remove the two wire connectors on the wires leading to the bad solenoid, then untwist the wires to separate them.

Replacing solenoid on sprinkler valve. Turn off the water supply. Cut through the pvc irrigation pipes just below the old pvc adapters, using a reciprocating saw, hacksaw, or pvc pipe cutter. Once you diagnose what the problem is you're more likely to be able to repair it.

If you try to do this yourself, turn off the power and the water to the sprinkler head before you start. Solenoids are the black cylindrical objects on top of the valve with two. Shut off the water supply to the sprinkler system.

Unscrew the valve bonnet from the valve body. When you get to the valve, you can just unscrew it counterclockwise. It's easy to work out what the problem is.

Flush out the valve body. Whether it's stuck open or stuck closed, clint's here to help. Once you have determined the location of each of your valves, you can go back and dig up the valve boxes.

A while back, while replacing a fence, i hit a sprinkler line. 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. That means your sprinklers will keep running after they’re supposed to stop.

Using the pliers, strip back a few centimetres of bare wire and connect by twisting together the existing wires. Most rain bird residential irrigation v. Also, when opening the valve, be particularly careful.