I had my sprinkler system installed a few years ago. I have three zones, each with 3-4 heads. Late last summer, I had to have some work done on a couple of heads. Today I went to start the system up for the summer and realized that I now have four heads (previously one zone) that run in all three zones. Whenever I pick zone 1,2 or 3, those heads will run in each of them. How do I fix this?
Thanks.
