How can i increase the heat on a potterton performa 28 combi boiler?
I have a potterton performa 28 combi boiler. The hot water is fine but the heat wont go above 50 and therefore the radiators and never really hot. This has always been the way. The pressure is fine and i have the heating dial up full...
howtomendit.com for free repair help, information and advice.
