[QUOTE=1idejim;4865919]You did all of that without first measuring the resistance of all of the zones, when you would have known that you have a direct short. Quick guess is that the DMM would have measured 0 - 8 ohms on the valves that were running concurrently.
It did cross my mind to check resistance, though I was having trouble getting ohms reading from a low quality meter. Will take my personal meter to work tomorrow to check resistance.
What do mean by "DMM"?
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