i dont know how to higher the pressure on my sime boiler?
how can i fix my sime boiler 80c ?
cant fill up sime boiler ?
how do i know the time is right on my boiler?
Sime swithes itself off/on all the time?
no hot water?
got heating but no hot water ?
How to increase water pressure in SIME format 34 boiler?
heating system?
Sime boiler?
sime boiler super format 100 keeps cutting out/please help?
how do I fix my combi boiler, SIME FORMAT 80E?