How to increase water pressure in SIME format 34 boiler?
how do i know the time is right on my boiler?
sime boiler super format 100 keeps cutting out/please help?
sime 100e boiler?
no hot water?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
cant fill up sime boiler ?
how do I fix my combi boiler, SIME FORMAT 80E?
got heating but no hot water ?