Sprinkler Water Shut Off Valve Leaking

Unscrew the bonnet from the top of the valve using a phillips screwdriver.

Sprinkler water shut off valve leaking.

Sprinklers leaking after system is turned off. The two most likely culprits are a leaking valve or low head drainage. Remove the old washer and slide on the new one. A blockage could also be an indication that the valve is worn out and requires replacement.

Start by trying to gently tighten it up and see if that helps. First shut off the water to the leaking water valve. Twist out the low voltage solenoid valve then wait for excess water to drain out. If not then take it apart and determine how it is supposed to seal.

Shut off the water to the sprinkler system. Pack valve box with dry rags to absorb water. Next remove the handle from the stem and then loosen and remove the packing nut. Reinstall the packing nut tighten lightly with a wrench don t over tighten at this or any other point and reattach the handle.

After each run of your sprinkler system there is low head drainage or excess water that is still draining from the pipes after the water is switched off. If the fixture never froze then either wear vibration or a dried seal is the culprit. If the leaks happen directly after running the sprinkler system and do not occur all the time then this normal drainage is likely the cause. A leaky valve typically arises due to a blockage in the mechanism that runs the valve.

Each valve in your sprinkler is like a faucet which shuts off and turns on water flow. Sprinkler school so your sprinkler system is off but your sprinklers are still leaking water. Remove lid from valve box and clean out mud from inside of box with hand trowel.