Basin waste and trap replacement

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I want to replace the waste and trap on this Sphynx basin. However the bottle trap arrangement wasn't what I was expecting to find.

The bottle trap on there has no union nut to screw onto a conventional waste thread. It looks integrated with waste?

The brand on the bottle trap says viega.

Can I replace with a conventional waste and trap. It seems very tight distance wise between the underside of waste to the outlet from trap due to existing fitting hard up under the basin with a rubber gasket...

Yes, I know the pipework for the water feeds are not great. Mixture of press fit and compression and lots of Pfte tape.

Thanks for anything to make this easier.
 

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2E038306-18E4-43A7-914A-A11BCD4CB127.jpeg Thanks for looking. Attached is waste from above. I don’t think there is a centre pin.
 
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No,no centrepin, what I meant to say was, you probably need one like that.

Yes, think you are right. I disassembled and the thread is 1 1/2" and very little thread on the waste so the bottle trap is brought up to seal against the underside of basin..

I've ordered a mcalpine 1 1/2" centre pin bath waste similar to what you linked. Reason being that just to make life even more difficult, it had a 70 mm flange/ recess in the basin. I think this is all euro stuff and sold complete with basin at time of install.

I think I've found a spare part for the waste and valve arrangement. But pricey and a funny arrangement for a basin plug. So I'll try the mcalpine first.. thanks again.


https://www.viega.co.uk/en/products...-bidets/Cover-plate-standing-pipe-5420-9.html

613648 Viega Cover plate standing pipe
 
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