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CircuPool SJ-55 Salt Chlorine Generator
CircuPool SJ55 Saltwater Chlorinator System

CircuPool SJ-55 Salt Chlorine Generator

20 Review(s)
Availability: Est. Ship Date July 6th
Part Number: SJ55NR
Retail Price:$1,149.00
You Save:$100.00(9%)
$1,049.00
CircuPool SJ-55, Complete Salt Pool System with 5-Year Limited Warranty, for up to 55,000 gallon pools
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Quick Specs View Detailed Specs
Power: 2.3 lbs/day
5 Year Limited Warranty
10000 Hours Rated Lifespan
55000 Gallons Max Capacity
Does not require acid to clean the cell!

The CircuPool SJ-55 saltwater chlorine generator balances advanced technology with simple worry-free operation. The SJ-55 works with existing pump and filtration systems to reliably supply the swimming pool with pure chlorine, every day. The CircuPool SJ-55 uses a low salt level and makes the pool water silky soft to provide the ultimate swimming experience.

Easy DIY Hayward / Pentair Adapter Kit available for simple and quick conversion from Aqua Rite / IntelliChlor models

The complete CircuPool SJ-55 salt system has two main components: the Control Module, and the Electrolytic Cell, along with its miscellaneous hardware and documentation.  

From CircuPool:
CircuPool SJ-55 Electronic Chlorine Generators deliver the ultimate in simplicity and reliability for your swimming pool. The SJ-55 automatically keeps your pool sparkling-clean, providing luxurious pool water that is kind to the eyes, skin, and hair while completely eliminating the need for chlorine, shock, and algaecide. No other salt system is as durable, user-friendly, and easy to operate.Guaranteed to out-perform and out-last systems that cost much more.


  • Long cell lifespan and leading 5-Year Limited Warranty.
  • Simple, Proven, Reliable. Monitors performance & salinity level - works on the widest available salinity range.
  • Easy maintenance, no acid required to clean cell.

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Q & A

Q: what is the difference between SJ & the RJ systems?

Asked by: Bill - 3/6/2017
A: Great question. Beside the main differences in power and lifespan, here are a few of the things that set them apart once they are in your hands:

The SJ models are very simple, easy-to-use systems. They have status lights that verify the unit is working, tell you at what power level it is set, and whether you need to clean the cell or add salt to the pool. Because it is simple there is less to think about, it is particularly low maintenance (no acid is required to clean the cell), and it is also less expensive.

The RJ and RJ+ models are the flagship systems. They are more powerful and longer lasting. They have a digital screen and touch keypad, giving you more control and diagnostics. It displays the salinity level in real time, calculates the running average, displays the water temperature, and displays the electronic performance levels of the cell so you can see exactly how things are working. The power levels on the RJ models can be turned up and down in smaller increments. RJ models also synchronize more easily with variable-speed pumps if you plan to upgrade.

So the SJ gives you simplicity and a huge value, and the RJ gives you top of the line performance and control.
Was this answer helpful?  9 of 11 Customer(s) found this Answer helpful.
Answer provided by: Nathan (3/8/2017)

Q: I have an above ground pool and my pump uses 110v power, will this work for me?

Asked by: Linda - 3/27/2017
A: Yes, this system can work with either 220v or 110v power. It is set at the factory to accept 220v, which is most common for pools. However, it is made so you can easily change it to accept 110v by following the printed directions. Unlike a motor, it won't work any better or worse on either voltage, you only want to match what your pump uses so they can work on the same circuit together.
Was this answer helpful?  2 of 4 Customer(s) found this Answer helpful.
Answer provided by: Tom (3/27/2017)

Q: what size are the openings on the cell one and a half inch or two inch?

Asked by: steve rizzi - 8/24/2017
A: The openings are made to accept two inch pipes into them. For inch and a half, you would simply used two reducer bushings that you can pick up from your local hardware store.
Was this answer helpful?  1 of 2 Customer(s) found this Answer helpful.
Answer provided by: Kelly (8/25/2017)

Q: Do I need the sacrificial anode for my system and does one come with the SJ-55 salt system?

Asked by: Ron - 5/20/2017
A: No, sacrificial anodes are absolutely not required, and haven't been needed for saltwater pools in decades. People still sell them because they can sell a $5 piece of metal for $50.
Was this answer helpful?  0 of 1 Customer(s) found this Answer helpful.
Answer provided by: Ken (5/22/2017)

Q: will this work with 2.5 inch piping?

Asked by: scott - 12/21/2017
A: Pools typically have 2" or 1.5" plumbing. Keep in mind these are ID (inner diameter) measurements. You might be measuring the outside of your pipe, which might make it seem like bigger pipe. The SJ-Series models accept standard 2" pipe into its cell unions, and if you have a different plumbing size, you can simply use standard pvc pipe adapters available at the hardware store.
Was this answer helpful?  0 of 1 Customer(s) found this Answer helpful.
Answer provided by: Discount Salt Pool (12/21/2017)

Q: Will this unit work with a variable speed pump on very low speed (1000 rpm) ?

Asked by: KJ - 12/4/2018
A: Short answer is that they can, but it really depends on "flow rate" and not "pump rpm". Your pool will have a unique amount of "head" or resistance that determines what flow ("gallons per minute, GPM") you get from your pump's chosen speed. A salt system just needs enough water flowing to keep the cell full of water, which is typically very low GPM. Call us for more details, we will be glad to make sure you get the right equipment that will work well with your current setup.
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Answer provided by: Discount Salt Pool (12/5/2018)

Q: I have a variable speed pump with built in timer. Do I need a timer for the SJ-55 also or will it shut itself off when the water stops moving ?

Asked by: CharlieB - 3/7/2020
A: With this model you would want a timer that coordinates it's run time with your pumps program's times.
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Answer provided by: Nathan (3/10/2020)

Q: What does the yellow light mean on an SJ55 salt system?

Asked by: James Bagley - 5/28/2020
A: If you're getting the service indicator, you'll want to confirm that the cell is fully clean, water is filling the cell, the water temp is over 65, and the salt level is 4000ppm.
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Answer provided by: Bill (5/28/2020)