The Efficient Home Forum

Ah, so the idea is just to short the in and out terminals. That makes sense. However it would still leave me with no way to trigger the CH pump upstairs in the airing cupboard. I've just left the BDR91 connected, as that runs the pump and enables the boiler to fire. Despite the tech support guy on ...

Actually, I've just realised the Switched live output is permanently live, so that's not going to be any use for a pump demand. How are you supposed to trigger the CH pump if controlling the boiler via the OpenTherm bridge?

Hi all. I've had an Evohome setup running for about 6 years now, but have just had to replace my old boiler. I asked for an Ideal Logic+ as I knew it supported OpenTherm. I got the installer to just leave it on the BDR91 initially, to make sure it was working ok, which it was. I've now installed the ...