The boiler is a Worcester 21CDi. The thermostat doesn't seem to have a brand except British Gas (although it is an electric system). There is a red light permanently on under the word signal on the Room Stat on the boiler. I can't remember if this was how it was before. I have looked at an...
I have just turned my heating back on but my thermostat doesn't seem to be talking to the boiler. I am having to turn the boiler off and on at the system but I can't get it to stop automatically. The thermostat has batteries that are working in it and it is correctly identifying the current...