Many thanks for your speedy reply. So I just need to dispense with the 1 to 6 link and the rest stays the same.
I was thinking about a Hive. The terminal mapping looks straight forward enough thanks to your advice but I would have to disconnect the thermostat in the hall. Just to check - will...
I would very much appreciate some advice on replacing my programmer that has stopped working after 33 years
My set up is as follows:
Glow worm spacesaver mk2 boiler
Hot water tank with 2 motorised valves
Randall 4033 wired as per diagram
Thermostat in another room
I have read a lot of...