Non traditional lockshield

[johnagall]

I've just turned the heating on today for the first time and noticed that a newly fitted rad is not heatimg up very well at all.

Its the only one on the system not working well. The flow in is hot but the outflow is barely warm so I'm trying to balance the heating system to fix it.

I'm presuming that I'm on the right track here?

Problem. Is that it doesn't have an ordinary lock shield. It looks unusual and wondered if anybody could advise on how it opens?

Link to picture is below

 

[CBW]

Looks like an Allen key/hex but also looks rounded slightly

 

[terryplumb]

You use an Allen key ( hexagonal wrench) to open/ close it.

 

[johnagall]

Thanks both for the rapid response. Much appreciated.

Would you agree that the lockshield needs opening more given the water going in is hot but the other side is a lot cooler (definitely a bigger difference than the 10-12 degree C I've seen is ideal)

 

[CBW]

If it’s not circulating then it could be. Is it hot to the trv or is the radiator hot too?

 

[johnagall]

If it’s not circulating then it could be. Is it hot to the trv or is the radiator hot too?

It's very hot up through the trv, the rad is tepid and the outlet barely warm

 

[CBW]

It's very hot up through the trv, the rad is tepid and the outlet barely warm

I would check the trv pin 1st then rather than the lockshield.

 

[johnagall]

I would check the trv pin 1st then rather than the lockshield.

Thats a good suggestion. Many thanks