I need to split an existing sprinkler zone into two zones. The issue I have is I cannot remove the valve that currently controls the flow. So, I need to have the system turn on both the original "main" valve and one of the new.
For example. Current zone 5 becomes zones 5 and 6. When the controller kicks on zone 5 or 6, the original valve also opens.
All I can come up with is maybe using 2 relays to make an logical OR circuit or maybe diodes to keep all of the lines separate so they could be tied together....
I am wondering what the best way to wire this up would be? The system is 24 VAC.