i dont know how to higher the pressure on my sime boiler?
no hot water?
manual for sime super 10 year old combi boiler?
sime boiler super format 100 keeps cutting out/please help?
how can i fix a sime 80 friendly combi boiler?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
how do I fix my combi boiler, SIME FORMAT 80E?
Sime swithes itself off/on all the time?
Sime boiler?