BLEEDING RADIATORS?
WHEN BLEEDING RADIATORS,DO I BLEED ONE OR ALL OF THEM.
MY COMBI HEATING SYSTEM IS ONLY TWO YEARS OLD,BUT IT HAS STARTED TO MAKE A LOUD NOISE WHEN THE TAPS ARE SWITCHED ON,IT ALSO COMES ON AT NIGHT,WHEN IT IS SWITCHED OFF.
PAUL BIDDLE, February 2008
