3ch

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    Replacing 3CH Programmer with 2 Hive Minis.

    So I'm looking for some reassurance before I blow up my boiler and lose all heating whilst it's snowing outside! I have searched and found similar setups but nothing that matches mine enough to give me that confidence! I currently have a 3ch ESI3427B Programmer controlled by 2 x ESI ESRTERFW...
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