Hi
I have a potterton suprima 50.This boiler has given me problems for the last 18 months. The latest problem is that when the heating system is switched off by the timer,the water pump keeps running. Today i changed the pcb, But this has not cured the problem.
I have a potterton suprima 50.This boiler has given me problems for the last 18 months. The latest problem is that when the heating system is switched off by the timer,the water pump keeps running. Today i changed the pcb, But this has not cured the problem.