Overflow leak?
Heating timer?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
no hot water?
How can I fix my Sime Ecomfort boiler?
i dont know how to higher the pressure on my sime boiler?
sime boiler super format 100 keeps cutting out/please help?
how do i know the time is right on my boiler?
how can i fix a sime 80 friendly combi boiler?