yes the pressure drops back down. I am going to try and see its cause their is too much air in the system and have radiator key in hand! will post progress on here.
Thanks so much by the way for replying to my post :D
Hi,
Can anyone help please? My boiler is not working and the pressure is below zero so I have turned the two screws as instructed sounds like it is filing and then the pressure starts to increase and then stops and barely gets above zero. Also then there is a leak whilst this is happening from...