If it helps I'll go to the "boiler room", at the back of where the controller is and open the large junction box on that wall and photo that as well. Was hoping with this setup though that I can do it all from the faceplate where the controller is, first picture, that's really what I'm trying to...
Hi all,
I'm planning to buy a nest v3 and self install if I can. V new existing system was installed in my house about 12 months ago. If it's possible I would wire the heatlink in the utility room where the programmable timer is currently. I am hoping this has the connections I need to do that...