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    Combi Boiler Pump

    Hi all, I switch on my central heating boiler to heat up the radiators. It starts normally, the gas lights and the green light comes on. However, after a short while it sounds like the water inside the boiler is 'boiling' and the boiler switches itself off. If I run the hot tap shortly...
  2. B

    Strange knob/tap

    The cold water supply into my combi-boiler (the one that turns into hot water later) has a valve on it. The plastic tap that fits onto the valve has rounded off. It looks to me like the splines are similar to the top of a sink tap, but one of these taps will not fit in the small space...
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