no hot water?
how do I fix my combi boiler, SIME FORMAT 80E?
Sime swithes itself off/on all the time?
sime 100e boiler?
no hot water?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
i dont know how to higher the pressure on my sime boiler?
How can I fix my Sime Ecomfort boiler?
How to fix fault with my Sime 30HE boiler keeps cutting out?