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Discuss Glow worm store 35 f81 code. in the Central Heating Forum area at

  1. alan48

    alan48 New Member

    Hi all
    Got a problem with above boiler, fault code f81 and discharge from vent, central heating working OK.
    I think it may be a faulty temp sensor causing overheating, gauge shows 55degrees.
    Any thoughts very much appreciated
    Cheers .
  2. Last Plumber

    Last Plumber Plumber GSR

    I think a Gas Safe registered Engineer is the best bet. They should be able to sort that fairly easily.
  3. alan48

    alan48 New Member

    Thanks, will look into that.
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