i dont know how to higher the pressure on my sime boiler?
My sime super 90 has developed a delay in igniting?
got heating but no hot water ?
how can i fix my central heating boiler?
how can i fix my sime 80c combi ?
how can i fix a sime 80 friendly combi boiler?
sime boiler super format 100 keeps cutting out/please help?
how do I fix my combi boiler, SIME FORMAT 80E?
Sime Format 100c 6yrs old?