We may have found other answers which could help you.
Success
Message
radiators come on when running hot water?
sime 50 superior?
Sime super 90 hot water problem?
no hot water?
sime super 90 plus hot water issue?
plumbing?
Sime?
How do I increase the system power to between 1 and 1.5?
loss of heating and hot water?
Sime super 90 plus problems?
can i pressurise expansion vessel?