Terry nelson asked ... How to remove the flexible shaft from a curved shaft ryobi t?    |    Matt Longmore asked ... Non-start on Flymo XLT 250?    |    John asked ... How to fix my fireplace?    |    Ian Scott asked ... Remove cover off gas boiler?    |    wendy asked ... Old Creda Solar Plus Cooker will not come on?    |    Click here to ask your question

comination boiler ferroli modena 102?

turn on central heating and pressure gauge will go to 4 bar and lift safety valve
martin gundersen, May 2008
sounds like either you system is over pressurized (should be 1-1.5bar when cold) or your expansion vessel either needs charging or replacing

T, May 2008
link Click here to see other fixes for Ferroli.