I have an idea to experiment with some custom plumbing inside the pool. It will require the return line to have female pipe threads on the inside of the fitting in the wall of the pool.
Presently setting up a 9x18 Bestway with Intex sand filter, SWG, & Intex hoses but will need to switch to hard plumbing to make this modification work.
So what I need is a wall fitting for hard plumbing that also has female threads on the inside of the fitting on the inside of the pool wall.
It would be nice to also have the large male threads for the eyeball if my other idea does not work.
I think I have seen pictures of exactly what I need here somewhere but can't find them again.
Thanks for any suggestions,