Review summaries: Pentair 523735 IntelliChlor Plus40 IC40 Plus Replacement Salt Cell, 40,000 Gallons

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Stopped Working After Three Weeks, Poor Support

This salt cell stopped working after only three weeks and displays an error showing 0 PPM of salt even though the pool has adequate salt levels. Attempts to contact the manufacturer are unsuccessful due to long hold times and no email response. Replacement parts are not available. The product and service are both disappointing, and a return would be made if possible.

Cons
  • − stopped working after three weeks
  • − false 0 PPM salt error
  • − no response from manufacturer
  • − no replacement parts available
AI-assisted summary of a verified Amazon customer review. · May 29, 2026 · United States Read original on Amazon ↗
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Easy Replacement, Longevity Unknown

This salt cell is easy to install and serves as a direct replacement for an older unit. It immediately resolved the pool's water issues, restoring proper balance. Long-term durability has not yet been determined, so it is unclear how long the cell will last. Overall, it performs well for the initial setup and function, but the lifespan remains an open question.

Pros
  • + easy to install
  • + resolved pool water issues
Cons
  • − longevity unknown
AI-assisted summary of a verified Amazon customer review. · August 25, 2026 · United States Read original on Amazon ↗
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Easy Replacement for Old IntelliChlor IC40

This salt cell installs easily and replaces the old IntelliChlor IC40 without any wire or duct work. Setup takes less than 5 minutes. The product feels well built with great craftsmanship. The control panel is easy to use and fairly intuitive.

Pros
  • + Easy to install
  • + Replaces old IntelliChlor IC40 without wire or duct work
  • + Setup in less than 5 minutes
  • + Well built with great craftsmanship
  • + Control panel easy to use and fairly intuitive
AI-assisted summary of a verified Amazon customer review. · July 11, 2026 · United States Read original on Amazon ↗
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Salt cell arrived but never powered on

Purchased for a pool while a new liner was being installed. Delivery went smoothly, but after several weeks of storage, the unit would not power on once the liner and cell were installed. The return window had passed, and the seller redirected to the manufacturer. Multiple calls and emails to the manufacturer went unanswered. The pool remains unusable and green despite adding shock and filtering, after spending $8000 to get it running.

Pros
  • + Delivered without issues
Cons
  • − Would not power on
  • − Return window expired
  • − Seller gave the runaround
  • − No response from manufacturer
  • − Pool left green and unusable
AI-assisted summary of a verified Amazon customer review. · August 6, 2026 · United States Read original on Amazon ↗
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Easy replacement, works as described

This salt cell performs as advertised. Installation is very easy when replacing an older model that had been in use for six years. It fits directly in place of the previous unit without complications. No drawbacks are noted.

Pros
  • + Works as advertised
  • + Very easy to install
  • + Direct replacement for older model
AI-assisted summary of a verified Amazon customer review. · June 26, 2026 · United States Read original on Amazon ↗