Hi Adam87, sounds like I have a similar setup to you. I have tried everything you have suggested but nothing is working. The original thermostat had a brown cable feeding into a COM plug and back cable into a N/O plug. There was a grey wire (assuming neutral) that was fed back into the wall...
IMG-9293 by Joloxford posted 10 Mar 2018 at 6:44 PMHi there,
I know this question seems to have been asked before but my wiring seems to be different to everything else that has been posted.
Please can someone explain how and where each of the wires should be going? To explain the...