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Blown Off Sprinkler Head
One of my zones has a sprinkler head that has blown off and all the water when that zone is on is gushing out of that hole. Do I have to replace the entire sprinkler head?
Riser
Usually when a sprinkler head wont stay on the threads on the riser are bad. Could also be the threads of the fitting. Could be a cracked fitting and yes it might be the sprinkler itself. Might be more than one. My money's on the riser.