Hayward AquaRite 940
#1 in Large PoolsFull review
For large in-ground pools on Pro Logic, IntelliTouch or Eos automation, with a four-year warranty, bought through a pool pro.
$2,199.99
The Hayward AquaRite 940 is the better salt chlorinator overall, rated 3.6 to 3.3. The Hayward AquaRite 940 leads on warranty, certification and features. The CircuPool Universal40 wins on value. The CircuPool Universal40 costs $904.99 less ($1,295 vs $2,199.99).
CircuPool Universal40
#7 in Large PoolsFull review
For owners of an aging Hayward AquaRite or similar system who want a new control box and cell for about the price of a brand-name cell, on pools up to 40,000 gallons.
Amazon $1,295$1,295
Prices were last checked October 27, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Hayward AquaRite 940 for warranty (4-year cell, 4-year control center warranty vs 1-year cell, 1-year control center warranty), certification (Certified to NSF/ANSI 50 vs Not certified to NSF/ANSI 50) and features (Salt level readout, works with hayward pro logic, pentair intellitouch, polaris eos, cold-water shutoff, flow sensing, boost mode vs Salt level readout, cold-water shutoff, flow sensing, boost mode).
- Choose the CircuPool Universal40 for value ($1,295 for 1.8 lb of chlorine a day ($719 per lb/day) vs $2,200 for 1.4 lb of chlorine a day ($1,517 per lb/day)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large pools salt chlorinator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Hayward AquaRite 940 | CircuPool Universal40 |
|---|---|---|
| Overall rating | 3.6/5 | 3.3/5 |
| Value 30% | 34 $2,200 for 1.4 lb of chlorine a day ($1,517 per lb/day) | 71 $1,295 for 1.8 lb of chlorine a day ($719 per lb/day) |
| Cell cost 20% | 50 no current cell price (neutral score used) | 90 Replacement cell $649 ($361 per lb/day) |
| Warranty 20% | 75 4-year cell, 4-year control center warranty | 0 1-year cell, 1-year control center warranty |
| Features 20% | 75 Salt level readout, works with hayward pro logic, pentair intellitouch, polaris eos, cold-water shutoff, flow sensing, boost mode | 55 Salt level readout, cold-water shutoff, flow sensing, boost mode |
| Certification 10% | 100 Certified to NSF/ANSI 50 | 0 Not certified to NSF/ANSI 50 |
Specifications
| Hayward AquaRite 940 | CircuPool Universal40 | |
|---|---|---|
| Output | ||
| Pool type | In-ground | In-ground |
| Rated pool size (maker) | 40,000 gal | 40,000 gal |
| Chlorine output | 1.4 lb/day | 1.8 lb/day |
| Salt level | 2,700 to 3,400 ppm (ideal 3,200) | 3,000 to 4,000 ppm (ideal 3,500) |
| NSF/ANSI 50 certified | Yes | No |
| Cell | ||
| Replacement cell | TCELL940 | UL40-2200-4A-1RC |
| Replacement cell price | - | $649 |
| Self-cleaning | Yes | Yes |
| Plumbing size | 2 in | 2 in |
| Controls | ||
| Salt level readout | Yes | Yes |
| Flow sensing | Flow switch | Flow switch |
| Cold-water shutoff | Yes | Yes |
| Boost mode | Yes | Yes |
| Wi-Fi | No | No |
| Automation compatibility | Hayward Pro Logic, Pentair IntelliTouch, Polaris Eos | - |
| Voltage | 120/240 V | 115/230 V |
| Warranty and models | ||
| Warranty | 4 years | 1 years |
| Warranty terms | Manual (effective 02/12/16) and brochure: 4 years on AquaRite 900 series, residential, original owner; accessories 1 year, commercial use 1 year. Hayward's product page lists 3 years parts and 1 year labor. No labor or shipping under the manual's terms. | Sold as a 4-year limited warranty, prorated: parts free in year 1, then supplied at 25% (year 2), 50% (year 3) and 70% (year 4) of base price. No labor or shipping. DIY installation keeps the warranty. Commercial use: 1 year. |
| Released | 2020-03 | - |