how do i know the time is right on my boiler?
Sime Format 100c 6yrs old?
how can i fix my central heating boiler?
Sime super 90 hot water problem?
How to fix fault with my Sime 30HE boiler keeps cutting out?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
how can i fix my sime boiler 80c ?
i dont know how to higher the pressure on my sime boiler?
no hot water?