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  1. A

    Flow and Return reversed

    OK Great, thanks for the replies. I must have been mistaken regarding the flow directions on the rads.
  2. A

    Flow and Return reversed

    Is it possible that the pump would have been polarised and so is working in reverse? Clutching at straws, I know!!
  3. A

    Flow and Return reversed

    Hi, We have a 10yr old Worchester Bosch boiler which has been generally very reliable. A week ago it stopped working. Would fire, mess around for a bit and then eventually the fault light would flash. A friend's dad (who is a plumber) came out and replaced the control board and everything...
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