How to fix fault with my Sime 30HE boiler keeps cutting out?
Sime Format 100c 6yrs old?
how can i fix a sime 80 friendly combi boiler?
how can i fix my sime boiler 80c ?
sime boiler super format 100 keeps cutting out/please help?
cant fill up sime boiler ?
how do I fix my combi boiler, SIME FORMAT 80E?
i dont know how to higher the pressure on my sime boiler?
Sime Halstead 30/90 TRIO - something is preventing the burners from firing ?