My BIASI 24S boiler is running the central heating OK, but will not run hot water to any of the taps or bath / shower. It is as if the boiler doesn't recognise when the hot water is on.

What component within the boiler would register the hot water flowing and fire up the boiler?

Thanks,

David

David Carswell, January 2010

diverter value problems

pin, January 2010