I have 5 zones of the 32 eti sprinklers and now I have one zone that won’t pop up for some reason. All zones are run off orbit timers. The zone that isn’t working is on a three zone timer and I tried switching the hose lines around and the same zone won’t pop up so it’s not a timer or water pressure issue at the bib. I pulled all the heads apart and cleaned the filters and nozzles. When I pressurize the zone a couple of them come up half way but that’s it. If I pull up on a couple of the heads they all pop up and it works fine. I also tried changing a couple of the heads with new ones that I had. It’s been working every since I put it in last June and nothing has changed. I don’t see anywhere on the lawn that’s getting saturated from a leak. I wish there was a way to pressurize the zone without the heads popping up and to actually hold the water pressure in the lines. Any thoughts on what to try ? How can I tell if the seals are bad in one of the heads ?
Thanks for any help
Thanks for any help