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  1. D

    Pressure Reducing Valves, Just turn down the mains stopcock?

    Can someone explain why this does not do the same thing ?!! :oops:
  2. D

    Pipes knocking when no water is running and boiler off !!

    What could cause the pipes to knock when there is no water running or and the boiler is switched off ??!! Does this indicate that I have a water leak and the water is refilling, thus causing the knock ? Any assistance would be very much appreciated.
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