Why is the pressure on my Ariston boiler rising to nearly 4 Bar?
I have an Ariston Genus boiler. Fault showing 30 40 50, I can't find manual?
Why does my boiler remain ON - even when switch is moved to OFF?
error code e02 wont work when pressurised?
Ariston microgenus 23 sounds like a jumbo jet!?
Ariston Error Code E02 now A77?
Boiler fault Ariston Dia 20 mffi ce type c?
No display on Ariston e-combi approx3yrs old?
ariston microgenus 23 chimney led on?
ariston boiler slow to ignite?
Error light blinking (orange colour) on Ariston e-combi boiler?
how to fix a err 103?
Why is my ariston microgenus 23 combi boiler producing hot water downstairs?
Please could anyone tel me why my boiler constantly shows err 501. I reset?
Arriston combi boiler hot water scalding temp light comes on?