Overflow leak?
how do I fix my combi boiler, SIME FORMAT 80E?
Sime Friendly BF combi - no htg no dhw?
no hot water?
My sime super 90 has developed a delay in igniting?
How to fix fault with my Sime 30HE boiler keeps cutting out?
Sime Format 100c 6yrs old?
How to increase water pressure in SIME format 34 boiler?
sime boiler super format 100 keeps cutting out/please help?
boiler?
i dont know how to higher the pressure on my sime boiler?
how can i fix a sime 80 friendly combi boiler?
heating system?
How can I fix my Sime Ecomfort boiler?
how do i know the time is right on my boiler?