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    Ravenheat LS100 CH problem.

    Hi Guys thanks in advance for any help. have an LS100 and changed diaphram in divertor valve a couple weeks ago, all in order for last 2 weeks. Lost electricity to unit today and since power came back on boiler developed a new fault. DHW working. No CH All fuses intact External F1...
  2. C

    Ravenheat LS80 DHW not working

    I have a 5 y old 4/5 y old combi that works perfectly on heating side. on dhw side it has stopped working. when on CH is switched off boiler refuses to fire. when CH switched on fires instantly but no hot water Any help.. thanks
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