One of the sprinkler heads was leaking during its watering cycle: and it kepr a stream from the top after the cylce ended (same when I turned off the system). I replaced the sprinkler head thinking that the head was worn out. Theleaking during watering stopped, but after the cycle is finished the stream of water coming out of the top persists: thought the stream fades and then stops after a few minutes. Thanks so much for any advice you can share.
