The long-running Pentair salt system for pools up to 40,000 gallons, now back in the US; buy it through a pool pro for the 3-year warranty.
Price checked October 27, 2026. As an Amazon Associate we earn from qualifying purchases.
Every Pentair IntelliChlor IC model we rank, smallest first. Ratings compare each against its own pool type.
| Model | Rated pool size | Rating | Price |
|---|---|---|---|
| Pentair IntelliChlor IC20 | 20,000 gal | 2.9/5 | - |
| Pentair IntelliChlor IC40 (this one) | 40,000 gal | 3.0/5 | $2,411.99 |
| Pentair IntelliChlor IC60 | 60,000 gal | 3.2/5 | - |
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its pool type. How we rank explains each one.
| Model number | IC40 cell 520555 / EC-520555 + PC100 power center 520556 / EC-520556 (INYOPools kit IC40KIT) |
|---|---|
| Output | |
| Pool type | In-ground |
| Rated pool size (maker) | 40,000 gal |
| Chlorine output | 1.4 lb/day |
| Salt level | 2,800 to 4,500 ppm (ideal 3,600) |
| Cell | |
| Replacement cell | 520555 |
| Self-cleaning | Yes |
| Controls | |
| Salt level readout | No |
| Flow sensing | Flow switch |
| Cold-water shutoff | Yes |
| Boost mode | Yes |
| Wi-Fi | No |
| App | Pentair Pool (via Pentair automation) |
| Automation compatibility | Pentair IntelliCenter, Pentair IntelliConnect, Pentair EasyTouch, Pentair IntelliTouch, Pentair SunTouch |
| Voltage | 115/230 V |
| Warranty and models | |
| Warranty | 3 years |
| Warranty terms | Pentair's US relaunch page gives the reintroduced IC20/IC40/IC60 a 3-year warranty when bought through a pool professional. Pentair's warranty page gives TradeGrade products bought online a much shorter limited warranty (60 days on the product page; 1 year, parts only, on the warranty page). |
| Released | 2009-11 |
A straightforward DIY salt system for pools up to about 45,000 gallons that shows the salt level on its screen; the warranty is shorter than the 7-year headline suggests.
Amazon $1,745 CircuPool $1,695A plug-in, all-in-one salt system for larger pools (up to 55,000 gallons) with two years of full coverage; pick an RJ60+ if you want a salt readout.
Amazon $1,895The simplest CircuPool to install yourself on pools up to 35,000 gallons, with a longer full warranty than the RJ line, but no salt readout.
Amazon $1,645 CircuPool $1,595Compare the Pentair IntelliChlor IC40 with any other salt chlorinator →
More from Pentair: every Pentair product ranked.
