You should be able to use a generic t cell replacement if thats what you mean.
A t5 cell without alterations
Or a t15 cell if you add a jumper (which you said you’ve already done)
The rj connection is just a fitting that you will need to reuse.
Hi, long time lurker here. Thanks for all the information over the years, but now I've run into my own problem. I purchased a used AquaTrol system with cell last year. The system worked reasonably well, but it was obvious that the cell was aged, and even more so now. I'm looking to replace the...
www.troublefreepool.com
Circupool makes generic replacement t cells in multiple sizes.
I have a pureline generic t15 replacement cell & have been happy with it.
Or maybe I misunderstood your question?
For a replacement
system you can use anything you want - it doesn’t have to be a “return jet style” just because you have an above ground pool. You just may need to add a little pvc to rework your setup.
Circupool has multiple styles of systems-
The core system is an all in one if you’re trying to avoid plumbing in a separate flow switch.