Long ago, it was suggested to add a 24V solenoid valve ahead of each of the float valves (soap and rinse) that are served by a 1" copper line. These valves would only allow water flow IF a bay (any bay) were turned on-- so a failed float valve would not flood things and lead to a huge water bill.
I have a couple of questions-- is it better to used normally CLOSED or normally OPEN valve? And, if I need to have the valve open up on a signal from ANY bay (normally closed), how can I wire that up without accidentally jumpering the 24V from all of the bays together, which I don't want to do?
Finally, do I need to take precautions on my pumps so they will not burn up should they be running while somehow the incoming water supply is shut off? If so, how do you manage that?
I have a couple of questions-- is it better to used normally CLOSED or normally OPEN valve? And, if I need to have the valve open up on a signal from ANY bay (normally closed), how can I wire that up without accidentally jumpering the 24V from all of the bays together, which I don't want to do?
Finally, do I need to take precautions on my pumps so they will not burn up should they be running while somehow the incoming water supply is shut off? If so, how do you manage that?