Thanks for the reply, Wet Boots! Looks like I will call service then. That cost sounds more than reasonable to me. Any idea what this thing is called so that I can communicate my issue over the phone?
First of all, I apologize that I basically know nothing about sprinkler systems. I'm going to try my best to explain my issue and have pics to show what I cannot describe. Thanks in advance and I'm sorry if this is a struggle to read. But anyways... After noticing that my grass in the backyard isn't growing well and dying in some areas, I went out to investigate -- It seems that some areas were flooding while some areas were bone dry. Today, I told the lawn guy about the problem and asked him to...