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Monday, July 16th 2018, 12:24pm

Author: JiffSee52

No Flow To Zone, but...

I think you are right about a leak, RichMoney. However, the leak must be in the PVC pipe that supplies the drip zone. I have removed the pressure regulator and drip tubing from the PVC, and there is no flow to the drip tubing. So, I am going to have to dig up the underground PVC. Not much fun, since the piping has been in the ground for 11 years, and there is no visible sign of water from a leak.

Sunday, July 8th 2018, 8:53pm

Author: JiffSee52

No Flow To Zone, but...

Thanks, but I know that the valve feeds the drip zone. I was here when it was installed, and I have not changed it. Also, when that zone's valve is open AND any other zone is opened, the flow rate to the other zone drops drastically.

Thursday, July 5th 2018, 2:16pm

Author: JiffSee52

No Flow To Zone, but...

There is no flow to one of my zones. However, when I open the control valve by hand, I can hear a rush of water. With the control valve open by hand, there is a significant drop in flow to the rest of the system. For example, my hand-held hose flow drops by more than half, or another manually opened zone barely gets any water flow. The length of underground PVC pipe from the controller to the zone outlet (it is a drip irrigation zone) is no more than 20 feet, yet there is no evidence of a broken...