i dont know how to higher the pressure on my sime boiler?
what to buy?
manual for sime super 10 year old combi boiler?
Heating timer?
how can i fix a sime 80 friendly combi boiler?
How to fix fault with my Sime 30HE boiler keeps cutting out?
got heating but no hot water ?
sime boiler super format 100 keeps cutting out/please help?
how do i know the time is right on my boiler?