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
- 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.
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:
- disassemble the valve
- rinse all the parts with clean water
- re-assemble the valve.
- 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