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  1. T

    potterton puma80

    try sucking still nothing. other enquires i've made suggest a problem with the gas valve, is it a possibility
  2. T

    potterton puma80

    yep they were checked and i blew down the pipe to operate the pressure switch, still nothing
  3. T

    potterton puma80

    boiler not working. pilot is on but main burner doesn't light when c/h or hot water is demanded. the fan and pump kickin but it stops there. any ideas?
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