We may have found other answers which could help you.
Click here for Ferroli Boiler FineConnections on Ferroli F24 Gas Valve?
How can i repair a noCN fault on my boiler?
Parts for ferroli optimax he 31c ?
Ferroli Optimax HE31c a26 problem?
F40 fault?
I have a Ferroli FF 77 the pilot light has gone out will not stay on ?