Thanks to you both for your advice. As you say, namsag, I haven't got the first clue about these things so i won't chance messing about with it when it works fine as it is!
all the best
Darren
I've just replaced my old Honeywell T6360 room stat as the old one stopped working. I'm not very experienced in matters of electricity so to make things easy for myself, I simply bought a brand new one (i.e. the same model) so i could just copy over the wiring. All went fine. Just one query -...