Free repair help
We have 165 questions about mending 'problem ferroli boiler'
F40 fault?
Hi how to increase the water pressure on ferroli optimax 25C?
Ferolli Optimax HE 31C expansion vessel change?
i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?
Ferroli DOMIcompact F 30 D?
Replace a diverter valve?
Ferroli Optimax HE31c a26 problem?
How can i repair a noCN fault on my boiler?
Parts for ferroli optimax he 31c ?