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Why does my boiler remain ON - even when switch is moved to OFF?
No display on Ariston e-combi approx3yrs old?
I have an Ariston Clas He system with an error code of 1P2?
error code e02 wont work when pressurised?
Ariston Microgenus 23 MFFI PCB Defect?
Error light blinking (orange colour) on Ariston e-combi boiler?