how can i fix my sime boiler 80c ?
Sime swithes itself off/on all the time?
sime boiler super format 100 keeps cutting out/please help?
Sime super 90 hot water problem?
got heating but no hot water ?
how do I fix my combi boiler, SIME FORMAT 80E?
Heating timer?
how do i know the time is right on my boiler?
i dont know how to higher the pressure on my sime boiler?