How do I stop water from flowing outside from my ferroli optima 901 boiler?
ferroli plus 31c has a code b2 any ideas?
How do i get the water pressure up please?
heating?
Hi how to increase the water pressure on ferroli optimax 25C?
Installation instructions for Ferroli 30800009?
i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?
Ferroli H31c no hot water or heating & no fault sign?
how can i fix my optimax HE 31c?
Replace a diverter valve?
I have a Ferroli domicondens he 26 c heating not working?
Ferroli , Modena 102 Gas boiler?
Ferroli domicondens he26 C fires up but doesn't appear to rectify ?
How can I get my ferroli boiler to work?
Over filled my Ferroli boiler?
whats wrong with my ferroli modena 102 combi boiler?
Heating coming on all times?
Parts for ferroli optimax he 31c ?