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CircuPool CORE-35 Salt Chlorine Generator
CORE-Series: compact, powerful, brilliantly simple

CircuPool CORE-35 Salt Chlorine Generator

Part Number: CORE35-4200-8A
Availability: In Stock.
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CircuPool CORE35, Complete Salt Pool System
with 8-Year Limited Warranty, for up to 35,000 gallon poolsReplacing An Existing Chlorine Generator?
Add an Adapter Kit to eliminate re-plumbing.
Power 1.4 lbs/day
Warranty 8 Year Limited
Max Capacity 35000 Gallons
CellSaver™ boosts lifespan up to 10%

The next-generation CircuPool CORE-35 is an electronic salt chlorine generator featuring advanced technology to provide the highest level of reliability and ease of use. The CORE salt system keeps your pool crystal clear everyday, and gives your water a silky soft feel for the ultimate swimming experience. Designed to work with your existing pump and filter systems, the CORE Series operates at very low salt levels to produce a constant stream of free chlorine in your pool .Max capacity rating: 35,000 gallons.

With an integrated, compact design the CircuPool CORE-35 system combines the Control Module, Electrolytic Cell, Flow Switch, and sensors all into a convenient package. It takes up minimal space and allows for incredibly easy installation and simple operation. Even better, DIY-friendly install can take as little as 15 minutes! The CORE-Series makes things so easy that it’s no wonder that it's become so popular.

New CORE systems also feature CellSaver™ technology, which is designed to minimize unnecessary operational wear-and-tear, boosting the cell lifespan by up to 10%.

With its available adapter kits, the CircuPool CORE-Series chlorinators can also easily replace Jandy® AquaPure®, Hayward® AquaRite®, or Pentair® systems without the need for replumbing or extra rewiring (by using its included 110V power plug).

  • Titanium Cell with industry-best 8-Year Limited Warranty.
  • 4th-Generation system, combining the best in advanced technology with streamlined operation.
  • Revolutionary compact design allows for incredibly easy DIY installation.
  • Heavy-Duty, Weather-Proof construction with IP-66 Rated Protection.
  • Easily disassembles for maintenance or cell replacement.
  • CircuPool products are backed by USA-Based Expert Support & USA-Based Factory Warranty

*Please note the use of such trademarks herein is for informational purposes only, and the product(s) are not those of Hayward Industries Inc. or Fluidra/Zodiac/Jandy; CircuPool products are not affiliated with the referenced Hayward/Jandy product.


Resources

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CircuPool CORE Cell Adapter Kit - for existing Hayward® Salt Cell Plumbing
CircuPool CORE Cell Adapter Kit - for existing Hayward® Salt Cell Plumbing
CORE-Series Cell Adapter Kit to connect to existing Aquarite® style & other compatible plumbing fittings
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CircuPool CORE Cell Adapter Kit - for existing Jandy® Salt Cell Plumbing
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CORE-Series Cell Adapter Kit to connect to existing AquaPure® style & other compatible plumbing fittings
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CircuPool® CORE Cell Adapter Kit - for existing Pentair® Salt Cell Plumbing
CircuPool® CORE Cell Adapter Kit - for existing Pentair® Salt Cell Plumbing
CORE-Series Cell Adapter Kit to connect to existing Pentair® Intellichlor® style plumbing fittings
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Rating Snapshot

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5 Stars
148
4 Stars
12
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Average Customer Ratings

4.9

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Buy it. You've found the one.
This unit has no competition. Buy it. I put it in in about 20 minutes. Half hour if you wire it into timer instead of plugging in. It's An all in one unit. No complications, no guessing. The cell inside is always visible and simple to replace. This system is so much more advanced than what else is out there. I replaced a Hayward aquarite system that always have me problems with this. I haven't had one hiccup since. Buy it. You won't regret it. And the customer service from discount salt pool is phenomenal. When I called to check on my order the owner answered. Said he could have any system he wanted in his own pool. He chose this one. Need I say more?
Did you find this helpful?  44 of 45 Found Helpful
Reviewed by:  (Verified Buyer)  from Queens New York on 7/16/2020
5
So far so good
Ive just converted my pool to a saltwater pool. I added 800 lbs salt to my 25,000 gallon pool and plugged in this circupool core 55. I let it run on the lowest setting from 10am to 6pm with the variable speed pump running at a slow flow (1200 rpms). So far I've went to the pool store twice in one month to check my pool chemical levels and chlorine is spot on salt levels at 3200 ppm and been swimming 4 times with pool temp at 70 degrees. At about 900 rpms the circupool detects low flow so i keep it at 1200. I went with the larger cell (core55) vs (core35) because same price and thought the cell would last longer on a lower setting. We will see if I'm right.
Did you find this helpful?  26 of 29 Found Helpful
Reviewed by:  from Walla Walla on 5/14/2020
4
Great unit, very happy
I opted for the Core 55 unit and love it so far. Took half hour to install. I'm in Indiana and have only had the pool open a couple weeks and it's working flawlessly. I've has a couple of Hayward units that worked OK but the boards go bad after about a year. Only thing I would like to see on it is a display showing the salt reading instead of a low level light.
Did you find this helpful?  19 of 21 Found Helpful
Reviewed by:  from noblesville on 5/23/2019
5
Excellent Chlorinator!!!
On the advice of the discountsaltpool rep, I chose to buy this Chlorinator because of the ease of install, simple design, features, and warranty. Install was indeed simple and straightforward, and operating the device is too. After having it running in my newly converted salt pool for four days, all is going great! I appreciate the advice from the customer service team and will look to Discountsaltpool.com for my future needs.
Did you find this helpful?  15 of 16 Found Helpful
Reviewed by:  from Knoxville, TN on 4/13/2019
5
Better than expected
Easy installation and works better than expected. I started with new water with no chlorine and the next day my chlorine was a bit high and I had to back off the setting. It is working very good.
Did you find this helpful?  14 of 16 Found Helpful
Reviewed by:  from Winter Haven, Florida on 10/5/2019
5
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Questions From Customers
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Q: If using a variable speed pump which uses its on control board, how does the Salt generator come on and detect that the pump is on if it is connected to an external GFCI outlet?

Asked by: FK - 12/29/2019
A: The system uses a flow switch to activate itself and deactivate itself depending on when your pump is programmed to start/stop. This is standard for most newer salt chlorine generators.
Was this answer helpful?  25 of 25 Customer(s) found this Answer helpful.
Answer provided by: Nathan (12/30/2019)
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Q: Do you have the 1.5” reducers? My lines are 1.5”

Asked by: Shannon - 1/19/2020
A: That is something you would want to get at the hardware store - its an off-the-shelf item and very cheap.
Was this answer helpful?  6 of 10 Customer(s) found this Answer helpful.
Answer provided by: Nathan (1/20/2020)
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Q: How long is power chord? Also my unit comes out of the pool heater and runs parallel to ground. Will I need to raise this line to install . I can send pics if needed. Pool is 46k gallons. in ground

Asked by: Doug Chapin - 3/4/2020
A: The power cord is about 6ft, and can easily be extended if needed. I would estimate needing about 3-4" of space below the piping for the tail of this unit to extend down, so if your return pipe is sitting right on the ground you'd want to lift it just a bit.
Was this answer helpful?  4 of 5 Customer(s) found this Answer helpful.
Answer provided by: Nathan (3/4/2020)
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Q: What is the power cord length?

Asked by: Andrew - 5/14/2019
A: The power cord is a little over 5' and can be extended if needed.
Was this answer helpful?  2 of 2 Customer(s) found this Answer helpful.
Answer provided by: Nathan (5/14/2019)
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Q: Can the CORE35 be used for an above ground pool?

Asked by: Chris - 5/27/2019
A: Yes, the CORE models are used frequently on above ground pools. The only difference for some people is your plumbing size, which can be adapted if needed with standard PVC adapter fittings from your local hardware store.
Was this answer helpful?  2 of 2 Customer(s) found this Answer helpful.
Answer provided by: Nathan (5/27/2019)
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Q: Where is the installation manual for this? I run my pump 24/7. Can i hardwire so that there is power to the unit only when the pump is on? Amanda

Asked by: Amanda - 6/29/2019
A: Yes, you can choose to hardwire it so that it is only powered when the pump is. The manual is linked here: https://www.circupool.com/assets/doc/CircuPool-CORE-Manual.pdf
Was this answer helpful?  2 of 2 Customer(s) found this Answer helpful.
Answer provided by: Discount Salt Pool (7/2/2019)
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Q: Is a bypass fitting available for this unit? If not, can I build my own using the male ends from standard 2" pvc unions?

Asked by: Marc - 12/30/2019
A: Yes there is a cap that you can order that lets you take out the cell cartridge and control head. The threads on the male housing unions for the plumbing isn't likely to have an off-the-shelf match.
Was this answer helpful?  2 of 3 Customer(s) found this Answer helpful.
Answer provided by: Nathan (12/30/2019)
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Q: Can this unit be used with a Pentair VS pump?

Asked by: Carl Fuller - 10/11/2019
A: Yes, it is frequently used with Pentair variable speed pumps. The pump brand does not really matter.
Was this answer helpful?  1 of 1 Customer(s) found this Answer helpful.
Answer provided by: Nathan (10/11/2019)
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Q: What are the main differences between the RJ-30 Plus and Core-35 (aside from size and warranty)?

Asked by: Jason - 1/8/2020
A: Great question. The CORE is the most compact, easy to use, & easy to install system with more advanced electronics and sensors. Its control module, cell, and flow switch are all integrated into a single unit (which you can take apart easily for service or replacement). The RJ models have will give you lots of power and lifespan (the two most important things) for the money, and have long been a customer favorite. Its controller hangs on the wall, and it does have lots of different settings and diagnostics. Its cell and controller get installed independently in the plumbing. Let us know if you have more questions or just call for faster service.
Was this answer helpful?  1 of 4 Customer(s) found this Answer helpful.
Answer provided by: Discount Salt Pool (1/8/2020)
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Q: Is the Core 35 weather proof. It will outside in the elements (No snow) just heat, rain, and humidity.

Asked by: John - 4/9/2020
A: Yes, it actually has one of the highest weatherproof ratings of "IP-66 Rated Protection" (basically protection from everything up to being actually immersed in water)
Was this answer helpful?  1 of 1 Customer(s) found this Answer helpful.
Answer provided by: Nathan (4/10/2020)
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Questions? Ask here

Chlorine Output:

1.4 lbs /day

Manufacturer Warranty:

8 Years Limited*

Manufacturer Max Capacity:

35,000 gallons

Controls:

Digital - LED Indicators with Touch Keypad

Salinity Range:

3000-4500 ppm

Salinity Test:

Yes - Low Salt

Self-Cleaning:

Yes, Reverse Polarity

Warranty Penalty for Self-Install:

No

Clear Cell:

Yes

Boost Mode:

Yes, 24 hours

Winter Mode:

Yes

Flow Sensor:

Yes, Integrated Flow Switch

O-Rings Included:

Yes

Unions Included:

Yes

Union Size:

2”

Power Cord Length:

5.5’ 

Cable Connection Type:

Plugin

Weight:

11 lbs

Rated Amperage (120V/240V):

4A / 2A

Weather / UV-Resistance:

Designed for Outdoor Installation and Operation

The Control Module for the CircuPool CORE-35 salt unit is a weatherproof unit integrated inline with the cell, with a touch sensitive control keypad and LED indicators. Digital controls will display your current settings and chosen chlorine output.

You can increase or decrease chlorine output through the Control Module, or activate a chlorine boost. The advanced system diagnostics will alert you when you need to add more salt or clean the cell. These diagnostics also provide information about the water flow, cell replacement, and Control Module electronics status.

The CircuPool CORE-35 Control Module also comes standard with a built-in power supply cord, with 110V plug for easy installation. The digital switch-mode power supply automatically converts 220V, allowing for direct wiring to a timer, relay, or other power source. The Control Module is mounted to the cell with a threaded connection that allows for easy removal during service.

The cell for the CircuPool CORE-35 unit features a clear cell housing, removable titanium electrode plates, and built-in Flow Switch and sensors. CORE cells feature CellSaver™ technology, helping to extend its operation lifespan. The titanium plates are easily removed for cleaning the system with an included cleaning vessel, or when replacing the cell.

The CORE cell housing also comes with threaded connections on each end and 2” slip-fittings unions which will attach to the existing return-line PVC plumbing. The clear cell housing makes it easy to see the chlorine generation process in action or to check inside the cell before servicing it.

CircuPool CORE-35 units include: 2” threaded cell unions, a cleaning vessel, a cutting template for installation, and a standard instruction manual.
Manufacturer 8 Year Limited Warranty for residential use. Most manufacturer chlorine generator warranties are pro-rated. All warranties offered are provided by the relative manufacturer and are limited to the terms and proration they provide. See manufacturer's documentation for a full description of warranty terms and conditions.
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