Pentair IntelliChlor PLUS40 40K Salt Cell Bundle, 523735-EC 520556

⚙️ Key specs

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• 🏊 Pool size rating: up to 40,000 gallons
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• ⚡ Voltage: 120/240V compatible
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• 🧂 Salt range: ~3000–4000 ppm (ideal zone)
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• 🧪 Cell material: titanium plates (self-cleaning reverse polarity)
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• 🔁 Cleaning: automatic scaling reduction cycle
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• 📶 Automation: works with IntelliCenter / EasyTouch / IntelliTouch systems
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🧠 How it works (simple flow)

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• 🧂 Salt in water
  ↓
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• ⚡ Electrical current passes through cell
  ↓
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• 🧪 Chlorine gas forms and dissolves into water
  ↓
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• 🏊 Pool stays sanitized automatically
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👍 Key benefits

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• ✔️ No daily chlorine dosing
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• ✔️ Stable water chemistry when tuned correctly
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• ✔️ Lower long-term chemical handling
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• ✔️ Integrates into Pentair automation systems
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• ✔️ Self-cleaning reduces calcium buildup
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👎 Real-world issues (important)

Based on field reports + user feedback:

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• ⚠️ Sensor drift / salt reading errors (common complaint)
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• ⚠️ “Low salt” warnings even when salt is fine
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• ⚠️ Cell performance drops after scaling or age
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• ⚠️ Needs correct flow + pump scheduling or it shuts off
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• ⚠️ Not truly maintenance-free (still needs cleaning/calibration)
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