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  1. J

    Descaling a remeha plate heat exchanger

    I replaced a scaled up heat exchanger and now the new one has scaled up again after 2 years. I have tried to descale the old one with Fernox DS3 with some success. I noticed that the CHW side does not scale up and was wandering if the heat exchanger can to turned round so the DHW uses the CHW...
  2. J

    Remeha hot water problem

    Can any one suggest a reason why my Remeha comby cannot supply hot water at the correct temp anymore - its seems to try and goes luke warm. The central heating works fine!!
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