Within the past two weeks we have had a new rainbird system installed. The system has 12 zones, every time the system gets to Zone 7 it shuts down the water in our home and the valve trinkles out water. We can turn the system completely off and the water in the house returns back on. I have had the company that installed come back out several times and they recommended drilling a new well, we also installed a new pump and pressure switch to the existing system. Thousands of dollars later the new...