Overflow leak?
How to increase water pressure in SIME format 34 boiler?
My sime super 90 has developed a dely in igniting?
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 90 gas boiler ?
how can i fix my sime 80c combi ?
how can i fix my sime boiler 80c ?
how can i fix my central heating boiler?
How can I fix my Sime Ecomfort boiler?
Heating timer?
sime boiler super format 100 keeps cutting out/please help?
Sime boiler?
cant fill up sime boiler ?
Sime Halstead 30/90 TRIO - something is preventing the burners from firing ?