Recent content by timmysd88

thanks, I appreciate your reply. with hot water control, so a conventional boiler I think @flameport makes sense, Join A and B together in a junction box and terminate L and N. This way I dont have remove any cables. Im assuming that if i didnt join A and B then heating would not come on? thanks

thankyou for the reply. So by joining the two wires A and B am i essentially telling the current system to keep heat permanently on? then once the nest is connected it sorts this out?

Hi, I am looking to install the nest 3rd gen thermostat as a replacement to my current setup. I currently have a control unit near the boiler with BDR91 transmitter situated in cupboard above which i believe communicates with the thermostat in the hallway. I am pretty sure I can wire in the...