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CircuPool Universal25 Salt Chlorine Generator
CircuPool Universal40 Saltwater Chlorinator System

CircuPool Universal25 Salt Chlorine Generator

Part Number: UL25
Availability: In Stock.
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CircuPool UL25 Complete Salt Pool System with 4-Year Limited Warranty, for up to 25,000 gallon pools
Power 1.25 lbs/day
Warranty 4 Year Limited*
Rated Lifespan 10000 Hours
Max Capacity 30000 Gallons

The CircuPool Universal Series is a top choice for value and convenience for backyard saltwater pools. Serving as an easy replacement for existing Hayward® AquaRite® 25k models or smaller, the Universal25 is an upgrade with guaranteed compatible plumbing.

With higher power and a longer lifespan than many popular brands, its digital controller works automatically with your pump & filter and constantly monitors the salinity level and temperature of the pool which makes operation incredibly simple!

Featuring long lasting titanium electrodes and backed by award-winning service and warranty, it's one of the best values of almost any salt system in the price range. The Universal25 is an outstanding choice for anyone looking to upgrade or just dive into a great new salt chlorinator.

This adaptable system is intended to easily replace an existing Hayward style salt system with a 15,000 to 25,000 gallon rating, so the Universal25 can replace those size Hayward Aqua Rite systems with no cutting or gluing, making it a snap to upgrade your salt pool system!

Features:

  • 4-year prorated warranty on every single component.
  • Includes plumbing unions for all sizes.
  • Dual voltage option: 110/220v.
  • CircuPool products are backed by USA-Based Expert Support & USA-Based Factory Warranty

Compatible System Replacement for: Hayward® Goldline Aqua Rite®, SwimPure Plus®, AquaRite 900®, SwimPure Extreme®, Mineral Springs®, NatureSoft®, AquaPlus®, LeverEdge Guardian®, Blue Essence®, H40 systems and more. Please note that this model's individual components are not intended to be interchangeable between brands (ex: use of one brand’s electronics with another brand’s cell).


*Please note CircuPool products are not affiliated with Hayward Industries, Inc. The use of such trademarks herein is for informational purposes only, and the product(s) are not those of Hayward Industries Inc., but rather are simply compatible with the referenced Hayward product.


Resources

General FAQ

Rating Snapshot

Select a row below to filter reviews.

Average Customer Ratings

4.8

best thing I've ever done
I am fanatical about my pool, this is the best thing I have ever done for it. Excellent chlorinator. I even tested it, I stopped adding chlorine to my pool for a week before I installed it. Right when the pool measure zero chlorine and got a little cloudy, I started this chlorinator up and let it run on high. By the next day my chlorine level was too high! Now I run it for 6 hours a day on about 30%, and the pool stays perfect.
Did you find this helpful?  16 of 17 Found Helpful
Reviewed by:  (Verified Buyer)  from Norwalk, OH on 6/14/2016
5
Unit works great!
Easy to install, easy to understand instructions and seems to be high quality. It included everything I needed in 2 sizes, 1.5 and 2 inches. Support was excellent as I had a high salt reading which was a breeze. I'd highly recommend this unit.
Did you find this helpful?  14 of 15 Found Helpful
Reviewed by:  from Upstate NY on 6/19/2021
5
new model better than old
I had an older version of this, and instead of replacing the cell I just bought this whole system instead because I got it on sale. I'm an engineer and I appreciated the updates they made to the product. I thought the cooling fan was a nice touch. Now I have my old one for parts, and this new one has my pool up and running again. It was a great system, and its even better now.
Did you find this helpful?  13 of 13 Found Helpful
Reviewed by:  (Verified Buyer)  from Fort Worth, TX on 2/8/2017
5
I wouldn't have been easier and the price is amazing
I've been looking to replace my Hayward and up until now everything has been super expensive, the computer alone was over $1,000 so this is an awesome deal
Did you find this helpful?  11 of 13 Found Helpful
Reviewed by:  from Akron, NY on 7/1/2021
5
Great
The fit perfectly without any modification to current pool filter.
Did you find this helpful?  9 of 10 Found Helpful
Reviewed by:  from FAYETTEVILLE on 6/19/2021
5
There are no reviews yet
Questions From Customers

Q: what is the word for conversion from saltwater to chlorine

Asked by: Richard G Steinke - 4/15/2021
A: Richard, converting your pool to saltwater is pretty easy. Basically, you would just add the equipment we carry, a saltwater chlorinator, to your existing pool and equipment. The salt chlorinator goes in the plumbing after the pump and filter. This often can be done in about an hour, and many people do this themselves. Once it is installed, you add salt to your pool (the manual describes how much based on your pool size). Salt comes in 40 lb bags, which you get from the hardware store pretty cheaply. The salt will dissolve in a day or so, then you are all set! The saltwater chlorinator sanitizes the pool whenever the pump runs, so you get beautiful, clean water without having to add anymore chlorine, shock, or algaecide.
Was this answer helpful?  34 of 43 Customer(s) found this Answer helpful.
Answer provided by: Discount Salt Pool (4/15/2021)

Q: Will this work if installed vertically or does it have to be horizontal?

Asked by: TJ - 6/17/2021
A: It can work whether installed horizontally or vertically.
Was this answer helpful?  17 of 21 Customer(s) found this Answer helpful.
Answer provided by: Discount Salt Pool (6/17/2021)

Q: When installing circupool universal40 cell vertically, which end of the cell flow to pool. I do not see any arrow showing which way it goes.

Asked by: NESTOR DIMAYUGA - 9/27/2021
A: The cell is not directional, it works facing either way.
Was this answer helpful?  11 of 13 Customer(s) found this Answer helpful.
Answer provided by: Jose (9/28/2021)

Q: For new installation, what length of pipe must be removed for installation of salt cell? Space is limited.

Asked by: Hoke - 5/9/2021
A: Installation calls for cutting about a 13 ¾” gap in the pvc pipe.
Was this answer helpful?  9 of 14 Customer(s) found this Answer helpful.
Answer provided by: Tim (5/10/2021)

Q: What is the power requirement for the system? I have a 220 volt feed for the pump. I plan to install it myself.

Asked by: BRIONNI BERLANGA - 5/30/2021
A: This system can work on either 220v or 110v. It is designed to be on the same circuit as the pump so they can go on and off together.
Was this answer helpful?  9 of 16 Customer(s) found this Answer helpful.
Answer provided by: Discount Salt Pool (6/1/2021)

Q: I have a new intex 18x54 pool I’m installing. I bought the one that has the upgraded frame to resist corrosion. I’m only trying to get a couple years out of it to decide if we want to keep and maintain a real pool. Want a salt system but can’t find the intex brand. Can you advise if the CircuPool Universal25 Salt Chlorine Generator will be a good fit for this type of pool.

Asked by: Peter - 3/21/2021
A: That calculates to be about 8600 gallons, which means the Universal25 should have plenty of capacity for that size pool. You can adjust its output to meet your pool's needs, and you can see some more info about sizing here: https://www.discountsaltpool.com/What-Size-Salt-Pool-System-Is-Right-For-Me
Was this answer helpful?  4 of 7 Customer(s) found this Answer helpful.
Answer provided by: Nathan (3/22/2021)

Q: How to to disconet cable from cell for cleaning ?

Asked by: Arnaldo Soler - 10/3/2021
A: The cell cable unplugs from the face of the control panel. Open the control panel door, grip the cable firmly, and pull it away.
Was this answer helpful?  4 of 7 Customer(s) found this Answer helpful.
Answer provided by: Discount Salt Pool (10/4/2021)

Q: Is this compatible with a 21,000 gallon above ground pools?

Asked by: Zac sellers - 5/6/2021
A: Depending on your climate and pool usage, it could potentially provide enough chlorine output. You would want to be sure, however, since you are closer to its max capacity. This is a little more detailed sizing information: https://www.discountsaltpool.com/What-Size-Salt-Pool-System-Is-Right-For-Me
Was this answer helpful?  2 of 7 Customer(s) found this Answer helpful.
Answer provided by: Discount Salt Pool (5/6/2021)

Q: I am considering using this system t replace a Hayward Aqua Trol. they Hayward has a timer that turns my pump on and off automatically. Does this system have that capability?

Asked by: Steve D - 5/18/2021
A: No, there are not currently any other models that have a built-in analog timer like that. However, "Intermatic" style timers are commonly available locally, and that would be the same amount of work to use when doing the installation.
Was this answer helpful?  2 of 4 Customer(s) found this Answer helpful.
Answer provided by: Discount Salt Pool (5/18/2021)

Q: I have a circu pool si Sisries that is wore out will this one replace it? My pool is 25,000 gallons

Asked by: Joe - 5/4/2021
A: This model will directly replace your older system. However, if your pool is that big, you may want to consider the next size up. You can see more about sizing recommendations here: https://www.discountsaltpool.com/What-Size-Salt-Pool-System-Is-Right-For-Me
Was this answer helpful?  1 of 4 Customer(s) found this Answer helpful.
Answer provided by: Discount Salt Pool (5/4/2021)

Chlorine Output:

1.25 lbs /day

Manufacturer Warranty:

4 Years Limited*

Manufacturer Rated Lifespan

10,000 hours

Manufacturer Max Capacity:

25,000 gallons

Controls:

Digital - LCD Screen, LED Indicators

Salinity Range:

3000-4500 ppm

Salinity Test:

Yes - High, Low, Displays ppm

Self-Cleaning:

Yes, Reverse Polarity

Warranty Penalty for Self-Install:

No

Clear Cell:

No

Boost Mode:

Yes, 24 hours

Winter Mode:

Yes

Flow Sensor:

Yes, Independent Flow Switch

O-Rings Included:

Yes

Unions Included:

Yes

Union Size:

1.5" & 2”

Power Cord Length:

4.5'

Cell Cord Length:

14'

Cable Connection Type:

Plugin

Weight:

22 lbs

Rated Amperage (120V/240V):

1.5A / 3A

Weather / UV-Resistance:

Designed for Outdoor Installation and Operation

The CircuPool Universal25 controls feature a steel sheet-metal box with hinged and latching door, similar to the panel on a circuit breaker. Thanks to the keyholes on the control box, it’s easily mounted to a nearby wall, post, or support with the help of a few basic screws secured to the wall or other support.

Inside the Control Center door, there’s a small LCD screen that displays average salinity readings, temperature, cell voltage, cell current, your chosen chlorine output percentage, instantaneous salinity, and different cell type settings.

These controls have a dial that can be used to raise or lower the chlorine output, and a three-position switch to activate or deactivate the system, or activate the super chlorination mode.

The electrolytic cell for the Universal25 is housed in opaque-plastic and contains built-in titanium electrode plates and a built-in power supply cord.

The housing also features matching threaded connections on the inlet and outlet which fit the Hayward Aqua Rite for easy, direct conversion and quick access for maintenance, cleaning, or seasonal removal.

These threaded connections attach to 2” and 1.5” unions, which can be glued to the existing PVC return-line plumbing.

The CircuPool Universal25 includes two 2" Threaded Unions, two 1.5" Threaded Unions, Flow Switch, 1.5" Flow Switch adapters, and Instruction Manual.
Manufacturer 4 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.