Sime Halstead 30/90 TRIO - something is preventing the burners from firing ?
Overflow leak?
Sime Format 100c 6yrs old?
i dont know how to higher the pressure on my sime boiler?
no hot water?
sime boiler super format 100 keeps cutting out/please help?
manual for sime super 10 year old combi boiler?
How to fix fault with my Sime 30HE boiler keeps cutting out?
what to buy?
My sime super 90 has developed a delay in igniting?
Heating timer?
how can i fix my sime boiler 80c ?