Staff Answer
Aug 11, 2026 - 07:43 AM
Additional clarification would be needed - there have been a number of Jacuzzi-branded salt systems made in the past, many of which would not be a direct fit for the CircuPool RJ-45 PLUS salt chlorine generator. If your Jacuzzi salt cell has two ports which point downward (such as JSS40 or JSC40 models), the horizontal in-line style RJ45 cell would not be a correct fit. If you happen to have a horizontal style cell which is slightly more than 12" long (from male threads to male threads) which also fits Hayward AquaRite style plumbing unions, then you may be able get the new system and use the old fittings.
If you want to consider all of your options, use your smart salt system model recommendation tool to see a number of right-sized model which you can choose from and see which would be the best choice to upgrade to.
Please let us know what other questions you might have.
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