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I have attached a picture of my boiler to clarify. Hope this helps. Paul

Hi Stem, thank you so much for replying. All I can tell you I'm afraid is that the room stat is a honeywell with the wiring shown in the attached picture. It looks as though it's 3 core but only 2 cores are used for the live and neutral. The programmer is integral and the wiring can be seen...

Hello, This is my first post and I'm hoping someone can help me out. I have just bought a Hive V1 dual channel that I would like to install on a system with an Ideal Istor HE260 boiler. I have no idea how it should be wired for the heating on/off and hot water on/off. Could anyone please...