Low Head Drainage or Faulty Valve?
I am a proud new homeowner, but I have already discovered a problem with my Sprinkler system. Here are the details about my system:
150 sq. ft of lawn shaped like a kidney bean with about 4' of elevation change and 9 sprinkler heads (5 on top of the slope and 4 on the bottom)
My Problem started with water leaking down the driveway from the lowest sprinkler. I dug the Sprinkler up and discovered water slowly leaking out of it while the system was off. I believe the problem is low head drainage even on this tiny lawn. I also checked the valve for debris or wear, but everything looks new and normal.
Here is what I have done so far:
Replaced the lowest 3 sprinklers with sprinklers with check valves and all it has done is moved the low head drainage to the next lowest head without a check valve. My thinking is that I can add check valves to the other sprinklers on the slope and the ones on level ground might be okay.
I don't think I should have this many problems with such a small system, and now I just want to fix it.
Any suggests and comments would be extremely helpful!!! Thanks.