Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?
heating system?
how do I fix my combi boiler, SIME FORMAT 80E?
How to fix fault with my Sime 30HE boiler keeps cutting out?
how can i fix my sime boiler 80c ?
Sime Format 100c 6yrs old?
sime 100e boiler?
how do i know the time is right on my boiler?
How to increase water pressure in SIME format 34 boiler?
got heating but no hot water ?
i dont know how to higher the pressure on my sime boiler?
Heating timer?