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                I have an Ariston Clas He system with an error code of 1P2?
 
                ariston boiler slow to ignite?
 
                error code e02 wont work when pressurised?
 
                gas boiler keeps going to reset?
 
                No display on Ariston e-combi approx3yrs old?
 
                Why does my boiler remain ON - even when switch is moved to OFF?