i dont know how to higher the pressure on my sime boiler?
how can i fix my sime 80c combi ?
Overflow leak?
How to fix fault with my Sime 30HE boiler keeps cutting out?
heating system?
how do i know the time is right on my boiler?
what to buy?
sime boiler super format 100 keeps cutting out/please help?
how do I fix my combi boiler, SIME FORMAT 80E?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
Sime boiler?
Sime thermostat?
how can i fix my sime boiler 80c ?
How can I fix my Sime Ecomfort boiler?
My sime super 90 has developed a dely in igniting?