Sime swithes itself off/on all the time?
how do i know the time is right on my boiler?
Sime super 90 hot water problem?
got heating but no hot water ?
i dont know how to higher the pressure on my sime boiler?
How to fix fault with my Sime 30HE boiler keeps cutting out?
boiler?
how can i fix my central heating boiler?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?