I have a potterton Suprima 50 which is 5 years old. In the night, when the boiler should be standing still, suddenly the pump starts. The boiler is not fired up, just the pump running I have tried reset, no good, can't sleep.
At present, the heating is off and the hot water is on timed. When the pump starts, the boiler should be doing nothing.
Can anyone help?
At present, the heating is off and the hot water is on timed. When the pump starts, the boiler should be doing nothing.
Can anyone help?