OK here's an update.
The filling loop valve died this morning waking the while house as the pressure relief valve was going like a train.
That has been changed and not the boiler sounds normal again.
I have tried running the hot water slower with no luck, it seems that when the hot water...
Evening all.
Have moved into a house where this boiler is installed. Boiler has worked (or so I thought )
I had noticed that the hot water in the bathroom didn't seem to heat up as much at that in the kitchen sink, just though it was one of those things. Water always came through fairly hot...