Awesome many thanks. I think that's what I had better do. Currently (and this is after doing nothing at all apart from opening up and then shutting the thermostat receiver box) the heating will only fire up when the hot water tank is asking for more heat. i.e. although the...
I'd be grateful for any help with this ...
I'm looking to replace my Honeywell ST9400C CH/HW controller (with existing Honeywell wireless thermostat) with dual channel Hive.
Do I just leave the existing wireless thermostat receiver as it is or do I have to do anything to decommission it?
The...