i replaced the programmer with the heatlink which is next to the boiler in the kitchen, and the watertank and stuff is upstairs, the old thermostat wires end up stairs too.
Hi ive kind of successfully installed my nest learning thermostat in place of the old honeywell programmer and thermostat however, i wanted to use the existing wiring from the old thermostat to power the nest thermostat. To do this ive fitted a mains socket next to the juction box upstairs in...