I can see this topic has been asked a number of times before and I think I have worked out what I need to do but just wanted to check before I did so to be on the safe side.
I have a potterton powermax he boiler currently connected to a potterton PRT100ST2 thermostat.
I have 3 wires in the...
sorry to hijack this thread but I also have this Siemens thermostat to install.
Were the intsructions correct? did you install as described?
I have 3 wires in my exisiting thermostat which are-
permenant live
switched live
neutral
would I need to connect in the same way (ie with a link...
