Why is the pressure on my Ariston boiler rising to nearly 4 Bar?
I have an Ariston Clas He system with an error code of 1P2?
error code e02 wont work when pressurised?
Why does my boiler remain ON - even when switch is moved to OFF?
Boiler fault Ariston Dia 20 mffi ce type c?
boiler keeps going out?
Please could anyone tel me why my boiler constantly shows err 501. I reset?
Ariston Error Code E02 now A77?
No display on Ariston e-combi approx3yrs old?
ariston boiler?
I have error code 108 on my Ariston Combi boiler what do I do to fix it?
Error light blinking (orange colour) on Ariston e-combi boiler?