i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?
Ferroli domicondens he26 C fires up but doesn't appear to rectify ?
Ferroli Optimax HE31c a26 problem?
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?