Hi @snb1, I have this T6R, which says "with optional Hot Water Control" and has a shower icon button (water) and a flame icon button (heating) on the receiver:
@Exedon, thank you, you're exceptionally helpful! Just to clarify, there is no existing room thermostat to worry about.
So, assuming I get 230v on multimeter from A and B, as below:
I would then need to connect A from the boiler (above) to B in the receiver box (below) and B from the boiler...
@Exedon - that would be the Hot Water and Heating timer terminals in the far top right of the diagram then? Also, shown to the right of the Mains, bottom right?
Thank you so much @Exedon.
This is the wiring diagram taken from the boilers manual.
In addition from receiving assurance from the plumbers suppliers, I have also read online that the T6R Smart Thermostat is suitable for most water-based heating systems, including combination and system...
I have a Firebird 120 Combi boiler and was recommended a Honeywell Home T6R smart thermostat by the local plumbing supplier so that I can fully control the boiler with a smart app and my Apple HomeKit.
The point of getting this smart thermostat was so that I may turn on and off BOTH the central...