Pentair IntelliChlor LT25
#8 in In-GroundFull review
Pentair’s budget cell for pools up to 25,000 gallons; the easiest upgrade for anyone with an old IC20 and its power center.
$1,600.51
The Pentair IntelliChlor LT25 and the Pentair IntelliChlor IC20 are evenly matched, rated 3.0 and 2.9. The Pentair IntelliChlor LT25 leads on features and cell cost. The Pentair IntelliChlor IC20 wins on warranty.
Pentair IntelliChlor IC20
#10 in In-GroundFull review
Pentair’s small IntelliChlor for pools up to 20,000 gallons, back in the US; the newer LT25 fits the same power center and shows salt in ppm.
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 Pentair IntelliChlor LT25 for features (Salt level readout, works with pentair intellicenter, pentair intelliconnect, pentair easytouch, pentair intellitouch, pentair suntouch, cold-water shutoff, flow sensing, boost mode vs Works with pentair intellicenter, pentair intelliconnect, pentair easytouch, pentair intellitouch, pentair suntouch, cold-water shutoff, flow sensing, boost mode) and cell cost (Replacement cell $1,149 ($1,277 per lb/day) vs Replacement cell $1,249 ($1,784 per lb/day)).
- Choose the Pentair IntelliChlor IC20 for warranty (3-year cell, 3-year control center warranty vs 2-year cell, 2-year control center warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every in-ground salt chlorinator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Pentair IntelliChlor LT25 | Pentair IntelliChlor IC20 |
|---|---|---|
| Overall rating | 3.0/5 | 2.9/5 |
| Value 30% | 26 $1,601 for 0.9 lb of chlorine a day ($1,778 per lb/day) | 50 no current price (neutral score used) |
| Cell cost 20% | 19 Replacement cell $1,149 ($1,277 per lb/day) | 0 Replacement cell $1,249 ($1,784 per lb/day) |
| Warranty 20% | 25 2-year cell, 2-year control center warranty | 50 3-year cell, 3-year control center warranty |
| Features 20% | 75 Salt level readout, works with pentair intellicenter, pentair intelliconnect, pentair easytouch, pentair intellitouch, pentair suntouch, cold-water shutoff, flow sensing, boost mode | 50 Works with pentair intellicenter, pentair intelliconnect, pentair easytouch, pentair intellitouch, pentair suntouch, cold-water shutoff, flow sensing, boost mode |
| Certification 10% | 100 Certified to NSF/ANSI 50 | 50 certification not published (neutral score used) |
Specifications
| Pentair IntelliChlor LT25 | Pentair IntelliChlor IC20 | |
|---|---|---|
| Output | ||
| Pool type | In-ground | In-ground |
| Rated pool size (maker) | 25,000 gal | 20,000 gal |
| Chlorine output | 0.9 lb/day | 0.7 lb/day |
| Salt level | 3,000 to 4,500 ppm (ideal 3,600) | 2,800 to 4,500 ppm (ideal 3,600) |
| NSF/ANSI 50 certified | Yes | - |
| Electrical listing (UL/ETL) | Yes | - |
| Cell | ||
| Replacement cell | 523747 | 520554 |
| Replacement cell price | $1,149 | $1,249 |
| Self-cleaning | Yes | Yes |
| Plumbing size | 2 in | - |
| Controls | ||
| Salt level readout | Yes | No |
| Flow sensing | Flow switch | Flow switch |
| Cold-water shutoff | Yes | Yes |
| Boost mode | Yes | Yes |
| Wi-Fi | No | No |
| App | Pentair Pool (via Pentair automation) | Pentair Pool (via Pentair automation) |
| Automation compatibility | Pentair IntelliCenter, Pentair IntelliConnect, Pentair EasyTouch, Pentair IntelliTouch, Pentair SunTouch | Pentair IntelliCenter, Pentair IntelliConnect, Pentair EasyTouch, Pentair IntelliTouch, Pentair SunTouch |
| Voltage | 115/230 V | 115/230 V |
| Warranty and models | ||
| Warranty | 2 years | 3 years |
| Warranty terms | TradeGrade product: 2 years or 6,000 operating hours, whichever comes first, when bought from and installed by a pool professional (LT cells). 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), so DIY online buyers get far less cover. | 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 | 2025 | 2009-11 |