Diverter valve could be stuck in hot water demand, check pin on diverter valve, What boiler do you have?
justin
January 2008
a lot off new boilers have a pump overrun to cool the boiler when switched off this usually switches off after 10/15 mins---poss overrun is faulty or if you have a frost stat fitted if boiler outside this may be up too high
wp
December 2007
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
