Glow worm c30 leak

[Eddy1984]

Hi all
Last night i bled my radiators which had a fair bit of air in, upstairs mainly. Today my boiler had 0.0 pressure. I top the pressure back up to about 0.7 to only have a leak underneath the boiler. The leak is from the bottom left from a grey nipple right next to where the condenser pipe is attached but not part of it. The leak is 2-3 drips per minute and does not leak when the boiler is switched off. Any ideas what the issue might be ? Strange as all was fine till I bleed the rads and filled the boiler back up. The leak isn’t on the inside, just used the arrows to show where it is. Hope that helps

 

[ianmcd]

That is the condensate that is leaking and has nothing to do with you topping up the pressure or bleeding the rads, if it definately is coming from where you have marked, it doesnt leak with the boiler off so definately sounds like a condensate problem

 

[Eddy1984]

This is where it is leaking from, very slow drip and pressure is dropping ?

 

[ianmcd]

Then the leak is from something inside the boiler it is merely dripping through that hole

 

[Eddy1984]

Update, the leak is coming from blue pipe looks like back of water pump.
Thanks all