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    Potterton puma 100 perm pilot

    The Heating is on and running ok. When a large hot water demand is required eg filling a bath the bolier is ok, but when hot tap is turned off after filling the bath the boilers pilot light goes out. If I then relight the pilot everything is ok again. Any ideas of where to start? :x
  2. B

    Potterton Puma 100 Perm Pilot

    I have a potterton puma with 2 strange faults. 1. With the boiler receiving CH demand it does not run. If i turn up the boiler CH stat the boiler lights then carries on running ok for a few days. WHY? 2. I have just noticed that my HW temperature is nolonger hot - only warm. If i turn...
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