Yes, it is in the 2700 series (totally plastic and gray). Thank you for the tips! I'll give them a try.
I'm completely green on sprinklers and valves, so I figure I'd try to learn and better myself. . .which is why I'm here. I have a Irritrol 2909 1" anti-siphon valve. The problem occurred yesterday after I manually turned it on, then off. Once I turned it off and waited a few seconds for it to kick off, all the sprinklers connected to that valve continued to trickle with water (no leakage from the valve itself, just from all of the connected sprinklers). I opened up the manual bleed to flush anyt...