It was going to be wired like any other zone valve opens then signaling the boiler to fire.
With regards to drawing, I think I can see what you are meaning here. When the pump switches on, it could suck the fluid from the return side through the rad then zone valve. Am I correct there?
It may...
Hello.
It's been a while since I've been on here, as I've been managing to work away so far.
My question here is as per my sketch, what issues would I see if I installed a zone valve in between the boiler and pump?
Practically, the boiler feed and return pipes run only 15cm's behind the wall...