New radiators leaking?

[hiwatt]

Hi folks.
I've just had a new condensing boiler and new radiators fitted.I've just noticed a lot of yellow marks down the side of the radiator and round about the side of the temp setting valve
Pretty sure these marks weren't there the other day.
Could it be leaking something?

 

[denso13]

Could be, get the installers back.

 

[hiwatt]

Any idea what the yellow marks could be?What is in modern central heating radiators?
Cheers.

 

[Whitespirit66]

Wipe it off with a damp cloth. If it reappears, you've got a problerm.

 

[hiwatt]

I've done that.
I'll keep an eye on it but I think there's a problem.While wiping the yellow marks away I noticed lots of tiny bubbles all the way down the edge of the radiator.It was only on this morning for about 35 minutes.
What could this be?It's a brand new radiator.

 

[45yearsagasman]

Ever considered posting a pic? Would help in diagnosing the fault.

 

[hiwatt]

Ever considered posting a pic? Would help in diagnosing the fault.

I had already wiped the marks away but I don't know that a pic could diagnose the fault any better as it really is as I've said.Very tiny bubbles and yellowy marks/dots down the inside of the radiator.
I'll post pics if it happens again though.

 

[AngelesPlumbing]

Call the installer to change new one, while the leak is not damaging your home

 

[bellairaphon]

It will more than likely be leaking from the plug at the top of the radiator.

Nath

 

[hiwatt]

They guys were out today and said sometimes this can happen but usually stops and settles down after a few times using the radiators?
He said it is the thin bits of metal extracting and sometimes they have been in a warehouse for a while and this can contribute although I'm not sure why?
Said if it was a leak it would be leaking all the time which it is not and the top nut is dry.
It's also not happened again since so hopefully they are ok and don't cause any damage.
Thanks folks.

 

[Mark Br]

I smell something

 

[hiwatt]

Do you think he's full of it?
I'll be keeping an eye on them anyway but there hasn't been any more marks the last few times they've been on!

 

[Mark Br]

Do you think he's full of it!

Yep

 

[longdogs]

They guys were out today and said sometimes this can happen but usually stops and settles down after a few times using the radiators?
He said it is the thin bits of metal extracting and sometimes they have been in a warehouse for a while and this can contribute although I'm not sure why?
Said if it was a leak it would be leaking all the time which it is not and the top nut is dry.
It's also not happened again since so hopefully they are ok and don't cause any damage.
Thanks folks.

Never heard that before. ALL radiators have been in a warehouse for a while.