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Thread: Potterton PUMA 80 SUREFIRE + HW won't stay on

  1. #1
    Automated Home Lurker
    Join Date
    Aug 2007
    Posts
    2

    Default 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?

  2. #2
    Moderator sunbeam's Avatar
    Join Date
    Feb 2006
    Location
    lancs
    Posts
    261

    Default

    my first thought would be the hot water thermister.

  3. #3
    Automated Home Lurker
    Join Date
    Aug 2007
    Posts
    2

    Default

    THX, will test it.

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