help to identify brass/copper connector

Joined
7 Jun 2025
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Hello,

I am in the middle of replacing a ballcock in an expansion tank.
All going ok except when i had it all connected up the inlet connector
- which I hadn't touched started leaking. So i tried tightening up but
it just got worse.

As the tank is right up to the loft ceiling I have dismantled the whole thing
in order to fit the valve.

On dismantling the inlet i find that the coupling which was causing the leak
seems to have a fixed internal flange and the remains of a rubber washer
which has perished.

Question is: what is this connector and can I get one the same?

Photos attached.
Thanks for any help.

k-e-e-f
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Use one of these:


Andy
 
Use one of these:


Andy
About what?

Andy
To the suggestion from aveatry: Is it a tap connector?
 
Can I get a tap connector with a solder fitting on one end as per the photo?
 

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