Hi All, I have a 9-zone sprinkler system with each zone having approximately 4 to 6 sprinklers. On one zone, all sprinkler heads perform as designed except the last one (at least it appears to be the last sprinkler attached to the zone) is getting nominal water pressure and the head is not popping up. All other heads in the zone functional perfect. I've done some research to learn that perhaps the flow control valve for this zone may be partially open, causing the one head to not get sufficient ...
