i dont know how to higher the pressure on my sime boiler?
sime 90 gas boiler ?
Sime Format 100c 6yrs old?
How to increase water pressure in SIME format 34 boiler?
how do i know the time is right on my boiler?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
got heating but no hot water ?
My sime super 90 has developed a delay in igniting?
sime boiler super format 100 keeps cutting out/please help?