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    Worcester combi boiler wiring - from Honeywell BDR91 to Nest Heat Link

    Thanks for getting back to me! The thermostat will be USB powered so no earth / T1 / T2 needed. As per the diagram, the mains should be earthed, but nothing else is. So just to confirm, the sleeved cable is a live too? Where should it go then in the Heat Link?
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    Worcester combi boiler wiring - from Honeywell BDR91 to Nest Heat Link

    Hi All. Apologies if this is a repeated question - I have tried to find an answer on several forums including this one, but none of the threads quite match the wiring diagram I have. This is my current set up: https://imgur.com/a/4Ao0B1P with the Honeywell BDR91 thermostat. If I had to...
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