Recent content by minch80

Also is the time clock in "series" with the stat and could that be holding it off?

Sorry for the delay, the boiler is at my uncles and I needed time to get back. I've attached pictures showing the wiring of the stat and the boiler hopefully this makes more sense about what I was describing. For reference I've come to just swop the stat and couldn't get a normal stat to work.

It's an old sunvic one, I'd gone to replace the stat as it was faulty, checked and there were 3 wires, live , switch live and neutral. When I checked at the boiler the wires connected to live and neutral were across 1 and 3 at the boiler. There's 240 across those terminals but when you short...

I'm having an issue with a biasi Riva boiler. There is a 3 wire stat that's been installed and it looks as if they were using the "neutral" of the stat as the switch wire to the boiler. The boiler won't fire in CH but will in DH. I've linked the stat out at the boiler and it still doesn't...