Rads in loft ion combi system

[jayseeblue]

Hi

I've been asked to put some radiators up in a loft conversion at short notice.... which leaves me short on research time. The system is a combination and while I have done plenty of plumbing before it was several years ago and I've forgotten some of it. The question I have is... Is there any issues regards air removal for combi systems, can anyone tell me why indeed there is no issues as surely the highest rad will get air in? The boiler is a EVO HE C22/30. Thanks in advance.

Jon

 

[Bahco]

Should be easy with no problems

 

[kevplumb]

surely the highest rad will get air in

where from

one assumes its a pressurised system so it should be sealed