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    puma 80 dhw flow switch

    in a previous posting i had a fault of not being able to turn c/h off, i have changed flow switch and micro switch but still have same problem, flow switch seems to operate ok when tap is turned on or off anyone got any more ideas
  2. B

    c/h on puma 80 stays on

    can anyone help we have got a puma 80 about 5 years old c/h comes on by itself but cannot be turned off by timer or switch,hot water is fine,red light comes on when tap is running.only way to turn c/h off is to put boiler on stand by.
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