sime boiler super format 100 keeps cutting out/please help?
no hot water?
how do I fix my combi boiler, SIME FORMAT 80E?
How to fix fault with my Sime 30HE boiler keeps cutting out?
got heating but no hot water ?
Sime super 90 hot water problem?
Sime Format 100c 6yrs old?
how can i fix my sime boiler 80c ?
i dont know how to higher the pressure on my sime boiler?