Fitting new radiators advice please

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Hi brought new radiator for my kitchen but I'm looking at my plumping and wondering does it need a new valve? Or can I attach the new radiator to the original valve that in there already.
I have attached pics.
The last pic is my new radiator
 

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Is it EXACTLY the same size as your old one? Personally, as others have said, I’d fit a TRV and a new lockshield valve while you’re about it.
 
To ensure a good mate between old and new, remove the old fitting from the old radiator, (first pic) and fit it to the new one.....the length of the rad will need to be exact, of course.
The old fitting will have a square or hexagon female to allow it to be screwed in.
John :)
 
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Hi
Radiator is the same size but it's the fitting I'm struggling to know of it will fit. I cant get anything off the old radiator and the new one never gave me any fittings.
 
The tails come with new valves. If you’re not fitting new valves, just undo the tails from the old rad and reuse those. You’ll need some PTFE tape and a tool. This will give you a bit of an idea what to do.

 
Last edited:
I cant get the fittings off the old radiator they stuck to check.

I brought new valves but thinking it maybe a harder job to do so wondered if just attaching to old valves would be able.

Again not sure if the new fittings only from the valves could be used?
 

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Is it a sealed or open vent system? The tails from the new valves may not mate to the old valves.
 
I'm sure you plumping is absolutely fine :whistle:

If the old lockshield valve works ok then no reason not to use it if yo are looking to avoid depressurising your CHsystem. You'll need a rad allan key and a good bit of effort to remove the old union from the old rad to then fit it to the new one and you'll need PTFE tape. Use a green scouring pad to clean up the faces of the male and female mating ends of the valve before connecting up.
 
12mm allen socket with an 18" bar.....it'll shift! I think it's originally 1/2" but 12 is near enough.
John :)
 
If you are going to fit TVR to that rad make sure you have one rad that does not have a TVR fitted, as the rad without the TVR is used as a bypass just in case all TVRs close.
 

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