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Why is my sprinkler head | valve leaking even after I turn it off?

Why is my sprinkler head | valve leaking even after I turn it off?

It usualyl comes down to two main reasons when you have a leak anywhere on your outdoor sprinkler system

Supplies Needed:

  • New sprinkler valve
  • PVC MIP adapters (two or more, as needed)
  • Plumber’s tape (thread-seal tape)
  • PVC primer and solvent glue
  • Smartphone or camera (optional)
  • Reciprocating saw, PVC pipe cutter, or hacksaw
  • Utility knife or sandpaper
  • Tongue-and-groove pliers
  • Number 1: “Low Head Drainage”. “Low Head Drainage” whne the lowest head is lower than other pipes that are going right to left.When you have a low head, residual water will stop flowing after all the water has left the pipe.

Solution:

install check valves

  • The other reason may be water leaking through the zone valve (a check valve in the sprinkler will not fix this leak). The most common reason why water leaks through a valve is because there is debris obstructing the valves diaphragm.
  • If the zone valve for that particular station is diagnosed as the problem then the solution is:
    1. disassemble the valve
    2. rinse all the parts with clean water
    3. re-assemble the valve.
    You may need to replace the diaphragm assembly if there is visible damage.
  • Number 2:

If water is leaking from the check valve.Thee most common reason why water leaks through a valve is because there is debris obstructing the valves diaphragm.

  • Solution:  Usually if you check for debris at any entrance and around the seals of any leaking valves you will find debris.
  • Remove the debris and change the diaphragm if needed or it is visibibly damaged

[<center>video mp4=”http://secureservercdn.net/198.12.145.135/g6n.223.myftpupload.com/wp-content/uploads/2019/06/Sprinkler-Repair-Kingwood-and-New-Caney-Texas.mp4″][/video]

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