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This is a NEW OEM Original 520555 Pentair Intellichlor IC40 Replacement Salt Chlorine Generator and NOT a generic aftermarket version still in its factory sealed original box.
Part # 520555
Warranty This unit has a 2 year warranty. all Ecommerce (EC) products: Products purchased from an Authorized Pentair Online Reseller (products beginning with EC-) receive a one (1) year (parts only) warranty from the date of purchase. The exceptions are: IntelliChlor cells and IntelliFlo SVRS pumps which receive a two (2) year warranty. EC products are not eligible for the bundled three (3) year extended warranty.
Dimensions 12-1/2" X 5-3/8"
Alternate Part #'s 520555, PAC-45-0555, 42-102-3204, 523735EC, EC520555, PENEC520555, PENEC523735Product DescriptionPentair® IntelliChlor® IC40 Salt Cell – EC-520555 (Discontinued)
Replaced by Part # 523735-EC
✅ Electrolytic Chlorine Generation – Automatic & Convenient
⚠️ This Model is Discontinued However, we have this remaining one left in our inventory. Once gone, you would need to Order 523735-EC Instead
❌ Not for Pools Larger than 40,000 Gallons
Key Features
✅ Designed for pools up to 40,000 gallons
✅ Uses common table salt to generate chlorine directly in the pool
✅ Eliminates storing, handling, and transporting liquid or tablet chlorine
✅ Helps reduce red eyes, skin irritation, and chemical odors
✅ Titanium electrode plates with ruthenium oxide coating
✅ Rated for 10,000+ hours of operation (approx. 5 years under normal conditions)
✅ Control electronics isolated from high-heat components for extended life
System Compatibility
✅ Works with Pentair® IntelliChlor® Power Centers
✅ Direct replacement for IC40 cells (EC-520555)
⚠️ Discontinued – replaced by IntelliChlor® Plus40 (523735-EC)
❌ Not compatible with non-Pentair® salt chlorination systems
Recommended Accessories
⚠️ Pentair® IntelliChlor® Power Center – required if not already installed
⚠️ Union Kit & O-Rings – replace if worn for proper installation
❌ Using non-OEM cells may cause incorrect chlorine output and void warranty
What’s Included
✅ 1 x IntelliChlor® IC40 Salt Cell (EC-520555 – discontinued)
⚠️ For replacement, order IntelliChlor® 523735-EC
Tech Tips
✅ Maintain Salt Level: Keep pool salinity between 3000–4500 ppm.
⚠️ Clean Cell Plates Periodically: Use mild acid solution to remove scale buildup.
✅ Size Up When Possible: Larger cells last longer by running at lower output % on smaller pools.
❌ Do Not Over-Clean: Excess acid washing shortens electrode lifespan.
Features:
- 15' Cord Length
- Three LED Salt Level Indicators
- Two-color Status Displays
- Five Sanitizer Output Levels with Two-button Control