Worcester 30cdi conventional boiler leak inside boiler

[shyguy2005]

Hey,
any of you guys come across Worcester 30cdi conventinol boiler where soaked everywhere inside boiler. Taken case off and there’s puddles of water everywhere. Still working but impossible to see where leak is?!?!

Cheers

 

[ShaunCorbs]

Sump seal gone guessing it's the cdi classic hex and not the kab one

 

[Harvest Fields]

Sump seal gone guessing it's the cdi classic hex and not the kab one

Heat ex pin hole maybe. Shine a light down the right hand side of the heat ex and the casing. Had a few go there