We may have found other answers which could help you.
Click here for Raise Low BoilerFerroli DOMIcompact F 30 D?
I have a Ferroli FF 77 the pilot light has gone out will not stay on ?
F40 fault?
Hi how to increase the water pressure on ferroli optimax 25C?
Replace a diverter valve?
Connections on Ferroli F24 Gas Valve?