Thanks for the quick response! I took off the solenoids and adjusted the levers back -- they were about half a turn loose. I'll give it a few hours.
A landscaper installed 3/4" Irritrol valves in my yard 3-1/2 years ago (see photo below). After the first year, one of the valves started leaking. Last year, a second one started leaking. By leaking, I mean: One or more sprinklers fed by the valve leaks water -- constantly and at a low level (much lower than when the valve is actually open).There is no water leaking from the valve case.Shutting off the water supply to the valves solves the problem, but defeats the purpose of an automated sprinkl...