i dont know how to higher the pressure on my sime boiler?
My sime super 90 has developed a dely in igniting?
sime 90 gas boiler ?
how can i fix my sime boiler 80c ?
heating system?
How to fix fault with my Sime 30HE boiler keeps cutting out?
manual for sime super 10 year old combi boiler?
sime boiler?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
how can i fix my sime 80c combi ?
sime boiler super format 100 keeps cutting out/please help?
Sime Halstead 30/90 TRIO - something is preventing the burners from firing ?