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