My Aquarite-Hayward/Goldline T-Cell-15 salt cell quit working last year. It was approximately 4 years old. I took it to my local pool store and they said it didn't work anymore. Its winter and now so I'm just buying time - but I'm looking at any suggestions on replacement. Prices I've seen have been in excess of $500. If you need any more specific information (model number off unit) I can get that off the cell and post it - I don't know how many minute variations there are? Thanks all for your expertise and advice.