Irrigation System?

Question

One of my zones on my Irrigation system starts off with low water presurre and only this zone. It last about 10 minutes... then the nozzles pop up. Why is this? All my other three zone's don't have a problem. I Have already cleaned the filters cause i was told to check this first. I'm thinking it might be the pump? What else do i check to trouble shoot this problem. Can someone who knows about Irrigation systems please answer. Thanks.

Answer 1

Is your system set up so you can control each zone individually?  If so, the solenoid valve for that one zone is not opening all the way.