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I have this floor drain and I want to connect it to a bathtub drain so basically another pipe. The diameter is about 40mm of the narrower pipe, although it has a thick border.

It is most likely a nanhi trap so I cannot remove without breaking stuff up but it also means that I don't need another p-trap.

So my plan is to either put a more narrower pipe inside and glue it ( like a 38mm if I can find it ), or use a compression connection for PVC pipes for a standard 40mm then connect another 40mm pipe on top of it and work from there.

The third way would be just to connect it to the whole top layer pipe, but that I don't know how it would make a perfect seal.

Would you say that any of these ideas are ok and some more preferable?

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  • Isn't this already a question? – JPhi1618 Mar 23 at 19:47
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    nope, I asked what type of drain this is, started similar conversation deep in the comments however it is going off-topic. – appwizcpl Mar 23 at 19:49
  • Do you want to address here the items that you had in your comments in the other post such and the current shower floor drain direction, etc? – Ack Mar 23 at 19:54
  • I might if someone asks, but I am not sure if it will help except making it more complicated. On the end of the day I need to connect a drain pipe to this and then it is very easy to proceed with most stuff, if it is not - then it surely can be a different topic. – appwizcpl Mar 23 at 20:27

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