i dont know how to higher the pressure on my sime boiler?
no hot water?
how can i fix a sime 80 friendly combi boiler?
sime boiler super format 100 keeps cutting out/please help?
Sime Format 100c 6yrs old?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
how do I fix my combi boiler, SIME FORMAT 80E?
how can i fix my central heating boiler?
Sime swithes itself off/on all the time?