Option to open a zone *after* closing master, for configurable duration

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Alfred Barnat

July 21, 2017 17:39

In my system, I have a master valve at the wall connected to a high pressure hose and the remaining zone valves downline. In this configuration, there seems to be no way to drain the line between the master valve and zone valves, as the RainMachine always closes the zones before the master laving the hose pressurized. (Automatic drain valves will not open until pressure is removed from the line.)

RainMachine should provide an option to open one of the zones every time the master valve is closed, for a configurable amount of time, to allow the entire system to depressurize and/or drain.

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  Alfred Barnat July 21, 2017 17:47

  A nice complement to this would also be the option to simply leave the last zone open for a certain amount of time after closing the master. This could be implemented simply as a negative value in the "After program ends" field on the master valve. (Note: Both this and the original suggestion would need to be implemented to support all use cases.)

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