Read through some threads and think I know the answer.
Have an older AQR version 1.45 with a T-Cell 5 which I believe is bad, never had a flow sensor connected and worked for many years.
Looking at grabbing a used T-Cell 15 before buying something new, from what I have read a T-Cell 15 will work with version 1.45.
Also, my unit appears to not have the ability to change T-Cell types.
If I need to buy new, what are some of the compatible cheaper alternatives?
Is this one compatible with my unit?
Have an older AQR version 1.45 with a T-Cell 5 which I believe is bad, never had a flow sensor connected and worked for many years.
Looking at grabbing a used T-Cell 15 before buying something new, from what I have read a T-Cell 15 will work with version 1.45.
Also, my unit appears to not have the ability to change T-Cell types.
If I need to buy new, what are some of the compatible cheaper alternatives?
Is this one compatible with my unit?

XtremepowerUS 15,000 Gal. In-Ground Pools Salt-Water Chlorine Chlorinator Generator 90160-H - The Home Depot
The XtremepowerUS Salt Chlorine Generator Cell is the most advanced saltwater chlorinator on the market that is designed specially for both in/above ground pools up to 40,000 Gal. This salt chlorine generator
www.homedepot.com