:D :D Just thought I would let everyone know I had the pipework where I thought the blockage was cut away and replaced and these are the pictures of the offending pipes.
As we anticipated quite a blockage and the pump overrun is fine now even on speed 3. Many thanks for...
Thanks JohnD i am in agreement with you and it follows that my plumber had to clear a blockage from the 15 mm just above the pump leads to more potential hard scale in that area.
Must give my plumber a rest over xmas though you guys work long and hard hours :D
Also i just put a magnet on the horizontal pipe and the 22mm below it to the pump and it leapt on it and stuck. Can i tap these pipes with anything to disturb?
Thanks for the reply. I have checked the height and it is above 450mm and will investigate if there is a gate valve to tweak.
I have added the X400 and already noticed that the radiators on one side of the house are taking longer to heat up than on the other side so perhaps I do have lots of...
Just thought I would add that I have a heated towel rail running off the HW system in the upstairs bathroom which is on all year and this is the highest point in the pipe system so is good for bleeding.