While you wait for answers, we may have found some information which could help you.
Click here for Boiler Heating Ferroli
F40 fault?
i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?
Hi how to increase the water pressure on ferroli optimax 25C?
How can i repair a noCN fault on my boiler?
Ferolli Optimax HE 31C expansion vessel change?
Replace a diverter valve?
howtomendit.com for free repair help, information and advice.
