theres a leak on your system somewhere...could be on internal pipework or in your boiler. best bet is to call a qualified plumber in
stu, April 2008
YOU HAVE A LEAK . FIRST LOOK OUTSIDE THE PRESS' RELEAF VALVE MAY NEED CHANGING . THEN LOOK TO SEE IF THERE IS A LEAK ON A RAD IT WILL SHOW A BROWN OR GREEN RUN ON THE PIPE
