How do you programme the boiler to come on twice a day - nothing in the man?

F40 fault?

i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?

Parts for ferroli optimax he 31c ?

How can i repair a noCN fault on my boiler?

Ferroli DOMIcompact F 30 D?

Hi how to increase the water pressure on ferroli optimax 25C?

Ferolli Optimax HE 31C expansion vessel change?

Replace a diverter valve?

ferroli plus 31c has a code b2 any ideas?

FF360 Reset Button Problem?

How turn off heating in Ferolli Optimax 31c?

Ferroli Optimax HE31c a26 problem?