By Pentair Pool Products
Part # 523735-EC
Pentair® IntelliChlor® Plus40 Cell – Replaces IC40 (520555 / EC-520555)
For Pools up to 40,000 Gallons
✅ Genuine Pentair® IntelliChlor® OEM Cell
⚠️ Power Center Required for Operation
❌ Not Compatible with Non-Pentair® Salt Systems
Key Features
✅ Direct replacement for Pentair® IC40 salt chlorine generator cells
✅ Designed for pools up to 40,000 gallons
✅ Produces pure chlorine automatically from dissolved salt
✅ Digital feedback on salt levels, cell life, sanitizer output, and water flow
✅ Heavy-duty titanium electrode plates with long-life coating
✅ Easy plug-and-play replacement using existing unions and power center
✅ Helps maintain clear, sanitized water with fewer harsh chemicals
System Compatibility
✅ Works with Pentair® IntelliChlor® Power Centers
✅ Replaces IC40 models: 520555 and EC-520555
⚠️ Must be paired with IntelliChlor® power supply (sold separately)
❌ Not compatible with non-Pentair® saltwater systems or DIY aftermarket cells
Recommended Accessories
⚠️ Pentair® IntelliChlor® Power Center – required if not already installed
⚠️ Union Kit & O-Rings – replace if cracked or worn for leak-free install
❌ Using non-OEM cells risks incorrect chlorine output and shortened lifespan
What’s Included
✅ IntelliChlor® Plus40 Cell (IC40 Replacement)
✅ Factory-installed unions for easy connection
✅ Owner’s manual & installation guide
Tech Tips
✅ Size for Pool Volume: Plus40 is ideal for pools up to 40,000 gallons; oversizing ensures longer life.
⚠️ Monitor Salt Levels: Keep between 3000–4500 ppm for peak performance.
✅ Winterization: Remove and store indoors in freezing climates.
❌ Do Not Acid Wash Excessively: Over-cleaning reduces electrode lifespan.