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  1. E

    Horstmann E7BX hot water controller

    Thanks. Picture below.
  2. E

    Horstmann E7BX hot water controller

    Will do once I work out how to attach a photo to the message!
  3. E

    Horstmann E7BX hot water controller

    My cylinder does not have a thermostat. Do you know where the E7BX gets its signal from? Is it only from the electricity meter or are there controls inside it?
  4. E

    Horstmann E7BX hot water controller

    My Horstmann E7BX hot water controller is coming on at 22.30 and only goes off at 08.00 which are not the times I have for offpeak from my electricity supplier. This means I am heating hot water all night. Does the E7BX only get the time signal from the electricity meter or can it get the...
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