Does my Ravenheat boiler RSF 82E need a full system Flush?
Hi, my Ravenheat combi boiler is not working, the heating engineer has said that it probably needs a new air valve, but also needs a full system flush as he can hear a bubbling niose and thinks there may be a blockage.
a) is this completely nessesary to rectify the problem? and
b) is £300 a fair price for this?
Any feedback would be great
Many thanks
Karen
Karen Coulter, May 2008