Thanks for your reply. I was sure I had done it correctly but wanted a second opinion. It's all working, including the WIFI and Alexa bit, although that part wasn't as easy as I hoped!
Thanks again.
Good afternoon.
I’m after some confirmation. Just changed over from an old rotating Honeywell room thermostat to a new WIFI digital one. It’s connected to my Potterton gas boiler via the switch unit underneath. (see pics). I’m aware that I have to leave the ‘CH’ slider to constant ‘ON’ to...