Whats this on my Radiator valve

N

nyck

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I bought a pair of Comap chrome radiator valves a while back but have only just gone to fit them

One has got a pink band round it the other hasnt .I'm not sure if the pink band one goes on the feed or return or what the pink band is for ??

thanks

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Untitled

 
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Poor Quality valves with different origin fittings! :LOL: makes no diffrence which goes where just cheapo carp valves! ;)
 
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Definitely looks pre-used, especially as trere's some 'residue' on the compression nut, too.

Comap do a few ranges of rad valves. None, IIRC, have any sealant on the threads. No-manufacturer puts sealant on the compression nut.

Why does only one valve have it :?: Where were they purchased from?

Comap Westco Sprint radiator valve in pristine, factory-fresh condition:
01803.jpg
 
Would go with what Dan said seen it before on new valves , waste of time ptfe it
 
Fraid to say they don't look brand new at all as others have said and the pink coating is PTFE based that does away with need for tape. Where did you buy them?
 
Looks like pipe wrench teeth marks on the connecting nut as well, its been used before.
 
Factory fitted sealant. It is indeed to remove the need for tape. I don't trust the stuff myself.
 
As others have said it is factory fitted sealant , similar is pre fitted or was to some pressure reducing equipment supplied with UV cylinders.

(for example)
 
I got worried for a minute and checked again but they are new and unused .
Ill just PTFE they as normal

thanks
 
Tom1981 said:
No idea, it's just the tail,
Click to expand...

Is it really:
Untitled

Untitled


Comap Westco do not put thread seal of any type on their rad valves. If they did, both valves would have it, and the picture from their website would show it.
I will ask again: from where were they purchased?
 
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