Commercial plumbing suppliers stock them. Here is an online source:
www.pvcfittingsonline.com
You can break the pipe near the middle and use two caps or seal the end of the union with a plug.
3" Sch 40 PVC Union - Soc w/ Buna-N O-ring Seal 457-030
Buy your 3" Sch 40 PVC Union - Soc w/ Buna-N O-ring Seal 457-030 online and save. We have this part available now for purchase.
www.pvcfittingsonline.com
You can break the pipe near the middle and use two caps or seal the end of the union with a plug.
