Pentair Rainbow 320 inline chlorinator – R171096

Simplify the disinfection of your pool or spa with the Pentair Rainbow 320 In-Line Chlorinator (R171096). Installed directly on the filtration system’s return line, it gradually dispenses slow-dissolving chlorine or bromine tablets to help maintain the disinfectant level in the water.

With its large capacity and adjustable dispensing control, the Rainbow 320 is a practical solution for automating part of the routine maintenance of a residential pool or spa.

Automatic Chlorine or Bromine Dispensing

The Rainbow 320 is designed to gradually release disinfectant into the water while the circulation system is operating.

It helps you:

• Reduce the frequency of manual additions
• Make it easier to maintain the disinfectant level
• Achieve consistent chlorine or bromine distribution
• Simplify your maintenance routine
• Integrate treatment directly into the plumbing system

Large Tablet Capacity

The Rainbow 320 reservoir can hold up to:

• 11 large tablets
• or 98 small tablets

It is designed for use with:

• Slow-dissolving trichlor tablets
• Slow-dissolving bromine tablets

This capacity lets you space out refills according to your installation’s disinfectant consumption.

Permanent In-Line Installation

The Rainbow 320 is an In-Line model, which means it installs directly into the circulation system’s plumbing.

It is designed for 2 in. PVC connections and includes 1.5 in. adapters, making it easier to integrate into various compatible installations.

The chlorinator may be suitable for a new installation or for replacing an existing unit when the plumbing specifications match.

For Pools and Spas

The Pentair Rainbow 320 can be used with various compatible residential installations, including:

• In-ground pools
• Compatible above-ground pools
• Spas
• New installations
• Existing filtration systems

Treatment Capacity

According to the specifications provided, the Rainbow 320 is suitable for water volumes of 6,500 to 27,000 gallons.

The amount of disinfectant required varies according to water volume, temperature, usage, and the parameters measured in the water.

Key Features

Brand: Pentair / Rainbow
Model: 320
Part number: R171096
Type: Automatic in-line chlorinator
Compatible disinfectants: Slow-dissolving chlorine or bromine
Capacity: Up to 11 large tablets or 98 small tablets
Specified water volume: 6,500 to 27,000 gallons
Main connection: 2 in. PVC
Adapters: 1.5 in. included
Maximum pressure: 50 PSI
Certification: NSF
Application: Pool and spa

Easier Maintenance

The Pentair Rainbow 320 chlorinator integrates disinfectant dispensing directly into your pool or spa circulation system. Its large capacity and compatibility with chlorine or bromine make it a practical solution for reducing daily handling.

Always follow the manufacturer’s instructions, the directions on the disinfectant label, and the recommended parameters for your water. Never mix different chemicals in the chlorinator.

Available from Piscine Hippocampe.

Your Purchase from Piscine Hippocampe

Our team in Delson can advise you based on your equipment model, photos, and part references. Have this information ready to make your selection easier and verify the necessary accessories.