how do i know the time is right on my boiler?
My sime super 90 has developed a delay in igniting?
heating system?
sime 100e boiler?
i dont know how to higher the pressure on my sime boiler?
How to fix fault with my Sime 30HE boiler keeps cutting out?
Overflow leak?
My sime super 90 has developed a dely in igniting?
how do I fix my combi boiler, SIME FORMAT 80E?
Sime boiler?
how can i fix my sime 80c combi ?
Sime Halstead 30/90 TRIO - something is preventing the burners from firing ?