Boiler shuts down

[coldroy]

Hya i have a glow worm economy plus 50b came home the other day no heat the boiler had shut down pilot light off as well when i restarted it after about 10-20 seconds it shuts down again but if i just light the pilot it stays on i did find an airlock in a bedroom rad have bled it now ok the pump is working as well thanks in advance

roy

 

[twgas]

possibly pilot needs attention - RGI required

 

[coldroy]

Thanks mick is that registered gas installer? after reading some old posts found that if i tap the bottom the part where gas goes in the boiler has stayed on is this part replacable being about 12yr old or poss obsolete could have some kind of valve inside ta

roy