Maddog
Engineer
Have a timer with 5 zones active. One of the zones would not stop this morning. Tried to stop sprinklers manually by turning off the timer, but water would not shut off. Had to turn off water to irrigation system to stop the sprinkler. Is this most likely a problem with the anti-siphon valve getting stuck open? Or a problem with the timer? Sorry for the lack of details. Thanks much for your help.
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