sime boiler super format 100 keeps cutting out/please help?
Sime swithes itself off/on all the time?
Overflow leak?
i dont know how to higher the pressure on my sime boiler?
How to increase water pressure in SIME format 34 boiler?
got heating but no hot water ?
Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
Sime thermostat?
cant fill up sime boiler ?