Sprinkler Main Valve Leaking
The most common reason why water leaks through a valve is because there is debris obstructing the valves diaphragm.
Sprinkler main valve leaking. How to repair the backflow valve on a sprinkler. Unscrew the bonnet from the top of the valve using a phillips screwdriver. Remove lid from valve box and clean out mud from inside of box with hand trowel. When there doesn t seem to be any visible damage to the sprinkler head then damage to the valve seal is likely the culprit.
Hunter sprinklers are also able to have check valves added in the field after they are installed. Valve not turning on. Determine the type and size of the valve or remove it and bring it to the store with you. Sprinkler shut off valves are typically installed inside the house just ahead of where the main supply line runs outside to the sprinkler control box.
Pack valve box with dry rags to absorb water. Twist out the low voltage solenoid valve then wait for excess water to drain out. Sprinkler valve leaks are important to address because even the smallest leak will waste more water and more money every day that the leak goes unattended. We will look over how to troubleshoot and rebuild a valve replace a sprinkler and install an irrigat.
Replacing a valve is a fairly job that requires basic plumbing supplies though it does require some experience with joining pvc pipe with solvent cement. A good place to start is by ruling out a water supply problem. The two most likely culprits are a leaking valve or low head drainage. The other reason may be water leaking through the zone valve a check valve in the sprinkler will not fix this leak.
Shut off the water to the sprinkler system. When a sprinkler valve is not turning on it can be due to an electrical problem a water supply issue or a failed solenoid. Follow us along as we troubleshoot a leaking sprinkler. The most important part of this project is getting an exact replacement part for the sprinkler valve.
To do this check the other sprinkler valves to ensure they are getting water and turning on as usual.