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Monday, May 11th 2015, 12:28pm

Other zones coming on for 30 second bursts when irrigation clock initially turns well pump on

Changed pump changed check valve. changed valves. still happening. Help


Supreme Member

Posts: 5,276

Location: Metro NYC


Tuesday, May 12th 2015, 6:38am

without a constant upstream pressure, a conventional zone valve can and will be open to water flowing through, and there is nothing you can do about it, except to use flow control zone valves, throttled down, to speed closing

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