how sure can you be about the pump, this was checked and seemed to be spinning strongly? The boiler will run for several minutes and start to heat the rads and then cuts out to L9 (pressure gauge also fluctuates eractically up and down).
Its driving me crazy!!
Called out to boiler fault, nothing working when arrived, client advised diaplay panel had not been working for several months. I changed display to get faults codes but nothing happened, so i then changed pcb as well. All seemed ok when i left, client then called to say 'L9' appeared and...
I am about to move into the coutryside, the property i'm moving to has an oil fired boiler. It's an old boiler and system which will need to have various things upgraged etc. The flue will probably have to be moved due to future building works, this makes me think about installing a new HE...
i have a potterton kingfisher 2 boiler. When the boiler has been running for some time and gets hot, it the starts to spill water out of the over flow. The boiler is not over heating, the boiler stat and cyl stat are ok. I had the system power flushed today because of this problem but it is...
if the new rad is exactley the same width as the old one, then this is not a difficult job. Make sure you calculate the height correctly for the brackets to match pipes. If diif size rad then call experienced person to make neat job.
You do need a special key that you can get from any hardware store etc. or even a neighbour. You only need to undo this valve slightly until air is released, then close when water arrives.
As for the timer you will probably need a new one.