Pentair Rainbow 320 Inline Chlorinator

Pentair Rainbow 320 Inline Chlorinator

Pentair Rainbow 320 In-Line Chlorinator (R171096) ($119.99) "2"" Magic Plastics Sxs Chlorine Resistant Check Valve (Recommended For Pools With Heaters)" ($45.99)

Product Overview

Years of customer use and satisfaction have proven Rainbow feeders to be the performance leader in pool & spa chemical dispensers.


  • 300 and 320 series filters available in clear amber for easy tablet level monitoring
  • Completely enclosed system - no special venting required
  • No escaping gases
  • 50 PSI maximum operating pressure
  • In-Line Feeders
  • 320 Series. For permanent installation in return line of new or existing pools or spas. Installs in return line on pressure side of pump downstream of all equipment. Standard with 2 in. slip PVC fittings and adapters for 1-1/2 in.
  • Off-Line Feeders
  • 300 Series. Retrofits into existing pools or spas. Operates on pressure side of pump. Uses 1/4 in. feeder hoses, control valve and fittings.
Note: Rainbow Automatic Chlorine/Bromine feeders are for use with slow dissolving trichlor or bromine tablets only.

NOTE: NSF listed for public or residential use in Swimming Pools, Spas or Hot Tubs using 1" Trichlor tablets and when used with a flow indicating device such as Rainbow Model #R172080
Output rating for Bromine is not NSF certified for 300 and 320 Series feeders.


  • Listed

Pentair Rainbow 320 Manual

Pentair Rainbow 320 Brochure

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