how can i fix a sime 80 friendly combi boiler?
cant fill up sime boiler ?
My sime super 90 has developed a dely in igniting?
how do I fix my combi boiler, SIME FORMAT 80E?
Overflow leak?
How to fix fault with my Sime 30HE boiler keeps cutting out?
how do i know the time is right on my boiler?
sime boiler?
My sime super 90 has developed a delay in igniting?
sime friendly format 80e?
heating system?
sime boiler super format 100 keeps cutting out/please help?