I was wondering if anyone could help me figure out what is going on with my sprinkling system. I did not put it in, therefore I don't know the anatomy of it. I am going to have to dig around a bit I guess to figure out how they layed this in. I can tell you things I have noticed. 1. I had turned on my water in the house one evening and big air pockets where shooting through my regular water line throughout the house at all faucets. That went away. 2. The following day, I went to turn on the spri...