HOW TO REPLACE A VALVE SOLENOID



If you’ve noticed one of your sprinkler zones isn’t working like it should, you may have a faulty solenoid.  In this tutorial we show you how to fix that problem and it barely takes any time at all.

What You need for this job.

Materials

Step 1


Shut off main water & unplug timer
Shut off main water & unplug timer
Shut off main water and turn off or unplug your sprinkler timer. Then turn off or unplug your sprinkler timer.

Step 2


Disconnect broken solenoid
Disconnect broken solenoid
Find the solenoid that is not working and cut wires.

Step 3


Remove broken solenoid
Remove broken solenoid
Remove solenoid by unscrewing it counter clockwise.

Step 4


Install new solenoid
Install new solenoid
Install new solenoid into the valve by screwing it in clockwise.

Step 5


Strip wires
Strip wires
Splice the wires by cutting outer layer back 1/2 inch.

Step 6


Connect wires
Connect wires
Using wire nuts, twist the wires together until wires are secure.

Step 7


Cover wires with grease caps & test
Cover wires with grease caps & test
Use a grease cap over each wire nut to secure and protect the connection by pushing the wire nuts into the grease caps and closing the caps.  Reconnect your timer and open main water supply and test the zone in manual mode, ensuring the new solenoid opens and closes the valve correctly.


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