i dont know how to higher the pressure on my sime boiler?
how can i fix a sime 80 friendly combi boiler?
how do I fix my combi boiler, SIME FORMAT 80E?
Sime super 90 hot water problem?
How to increase water pressure in SIME format 34 boiler?
sime 100e boiler?
cant fill up sime boiler ?
sime super 90 plus hot water issue?
sime boiler super format 100 keeps cutting out/please help?