Broken radiator valve?

[Koontz74]

Can someone tell me what this is on the end of the radiator, it looks like a broken trv, but not sure. I have a radiator in porch that is on full that I want to turn off thanks.

 

[Deleted member 267285]

Yep TRV one end, not familiar with the other end, although presumably a lockshield, possibly tamper proof.

 

[terryplumb]

Right side is a TRV ,with no head on it.
The left is a lockshield ,which if you close down will prevent rad from heating up

 

[Koontz74]

So the left hand side were there is a nut if I turn this it will close the valve? And which way?.

 

[terryplumb]

Clockwise. And it's the nut that sits in the "well" , not the square shaped one on the far left end.

 

[Koontz74]

Many thanks,

 

[Koontz74]

Sorry for late reply but that doesn't turn rad off, also the picture is a little misleading, that but doesn't sit in well it's above it.

 

[Deleted member 267285]

Did you turn off t’other end?

 

[Koontz74]

I turned of the part Terry told me to?

 

[Deleted member 267285]

If you want the rad off the TRV (broken end) will be like it’s on full whack, turning off one should stop it, but obviously not.

 

[ianmcd]

you turn that flat bit clockwise till it stops and the rad wont heat up

 

[Koontz74]

Yeah gave it one more quarter turn and rad now off thanks, now trying to sort out knocking noise from pipes, I turned the water of and ran the taps ( hardly any cold water), lots of hot water from the tank I guess, and have slowly turned it back on and turned the boiler back on and knocking is less but not gone completely, I have standard boiler with hot water tank, and 2 tanks in the loft, have check both ball Cocks and they both work, but have a tapping noise coming from the living room wall, expansion?.