Thanks Wet! I'll give it a try and post an update... Edit: Tried a screwdriver...no good at opening. A neighbor told me to get a "valve key" at home depot....
First post here, but have been reading quite a bit. Hope someone here can help! Let me preface my post by saying that I have no clue about this sort of stuff. I have live in apartments in NYC and Boston for the bulk of my life!!! Bought a house with the sprinkler system controlled by Toro EL 6+. First thing I notice is that some of the sprinkler heads have been overcome by the lawn. I'm guessing that in addition to the age of the system (though some heads seem of recent vintage), the system has ...