Sime Halstead 30/90 TRIO - something is preventing the burners from firing ?
Sime boiler?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
i dont know how to higher the pressure on my sime boiler?
How to fix fault with my Sime 30HE boiler keeps cutting out?
sime 90 gas boiler ?