i dont know how to higher the pressure on my sime boiler?
got heating but no hot water ?
How can I fix my Sime Ecomfort boiler?
how can i fix a sime 80 friendly combi boiler?
sime boiler?
how can i fix my central heating boiler?
Overflow leak?
sime boiler super format 100 keeps cutting out/please help?
cant fill up sime boiler ?