by Cpt Nemo »
Thu Mar 08, 2007 5:06 pm
Hi Bob
Firstly - call the plumber back again. People should stand by their work, we do!
Secondly, it could be the result of air in the system, you do not say if it is a combi or system boiler.
Can you hear any other sounds which would indicate thate air was circulating around the system?