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  1. G

    Replaced EP2002 with Hive dual active heating but now ...........

    I don't know is the answer I am afraid.
  2. G

    Replaced EP2002 with Hive dual active heating but now ...........

    Well spotted Ian - I have missed out that the two wires (blue sleeved red and brown) that were in A were simply joined together in a choc bloc but not to anything else. Replicates "parked in A" doesn't it? G
  3. G

    Replaced EP2002 with Hive dual active heating but now ...........

    In Sept 2020 I replaced a Potterton EP2002 programmer controlling a fully pumped system with Hive Dual Active. First photo shows EP2002 wiring and 2nd Hive wiring. What I did 1. Removed red bridge wire between EP L and 5 – not required as is built into Hive already. 2. Blue, blue...
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