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Pentair Rainbow C-3340 Commercial High Capacity Chlorinator, R171240

Pentair Rainbow C-3340 Commercial High Capacity Chlorinator, R171240

Mfg #: R171240

SKU: R171240

UPC: 788379015008

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Pentair R171240 Rainbow(TM) HC-3340 Automatic Commercial High Capacity Chlorinator For Chlorine or Bromine Tablets, 11-1/2 gpm 


  • Extra large capacity models
  • 658500 gal chlorine maximum pool size at 34 gpm
  • 292600 gal bromine maximum pool size at 34 gpm
  • Treats 332000 gal with trichlor
  • Heavy duty control valve for accurate feed rate adjustment
  • Flow through circulation allows maximum output of sanitized water
  • Screen and check ball are easy to reach for cleaning and periodic maintenance
  • Lock ring spins off, freeing lid and providing easy access. Snap-lock provides secure seal
  • 1-Year warranty
  • No special venting required
  • Completely enclosed - no escaping gases
  • Positive external no-clog control valve
  • No equipment damage and feeds sanitizer directly to pool
  • Designed for ease of use and simple maintenance
  • Drain valve allows easier draining for safer recharging or winterizing
  • Standard threaded inlet and outlet fittings included for easy installation
  • 51 Inch maintenance clearance

Click Here for Replacement Parts Diagram


Brand Pentair
Capacity 40 lb
Flow Rate 11-1/2 gpm
For Use With Chlorine or Bromine Tablets
Item Chlorinator
Packaging Quantity 1/Carton
Pressure Rating 50 psi
Series HC-3340
Size 49.75 Inch x 8 Inch x 15 Inch
Standards Approvals NSF Certified
Sub Brand Rainbow™
Type Automatic, Commercial, High Capacity