Potterton PUMA 80 SUREFIRE + HW won't stay on

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  • gilp
    Automated Home Lurker
    • Aug 2007
    • 2

    Potterton PUMA 80 SUREFIRE + HW won't stay on

    On HW the boiler fires and stays on for about a minute then switches of. If a tap is left running it switches on and off randomly.

    Any ideas?
  • sunbeam
    Moderator
    • Feb 2006
    • 261

    #2
    my first thought would be the hot water thermister.

    Comment

    • gilp
      Automated Home Lurker
      • Aug 2007
      • 2

      #3
      THX, will test it.

      Comment

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