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Is there such an option as using PEX for an 1-1/2 vent ? I have a stretch where I need some flexibility for my pipe which is going to be difficult to achieve with copper or ABS.

this is related to this question

What fittings can I use to re-route my copper DWV pipe?

  • Check your locks code. Some areas allow heat bending of pvc vent pipes – Kris Aug 21 '20 at 15:50
  • the PVC won't fit through that opening where I need it to be (remember where we discussed the 90 elbow I was looking for) – MiniMe Aug 21 '20 at 15:52
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Pex is only legal for supply plumbing. It's not rigid enough for drain or vent use, as the lack of internal pressure could result in it being constricted.

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