ok I think it must be the fan as I've run the boiler and checked and the pump definately shuts down.
I didn't know the fan was permenantly running so its probably the bearings as it is a sort of metallic whine that I can hear and it seems to get loader if the boilers cold which makes me...
To the best of my knowledge the fan has never run permenantly.
What normally happens when the boiler fires up is the fan comes on and then continues to run for a short period after the boiler shuts down and then switches off completely. However the fan is now on continuesly unless i switch of...
I have potterton puma 80 combi boiler and it seems to have deleveoped a problem in the last week. The boiler is operating fine for both hot water and central heating, however when the boiler shuts down then fan continues to operate and the only way I can get it to stop is to switch the power of...