Overflow leak?
Sime thermostat?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
sime boiler super format 100 keeps cutting out/please help?
Sime Format 100c 6yrs old?
Sime Halstead 30/90 TRIO - something is preventing the burners from firing ?
how can i fix my sime 80c combi ?
how do i know the time is right on my boiler?
My sime super 90 has developed a dely in igniting?