Eric mark thank you for the advice, the nest e heatlink is battery powered and It says it does not need any 240v wiring just wanted to clarify which ones I will have to terminate in the terminal block that comes with the fixing/installation kit pleae
Wondered if anyone can help i am trying to install my Google nest e battery operated heatling thermostat to the wall where my old wall mounted wired dial thermostat was/still is because I don't know ow which wires are which.
As you can see I have attached photos