Pentair Rainbow 320 Chlorine/Bromine Feeder Instruction manual

The Rainbow 320 Chlorine/Bromine Feeder is designed for permanent installation in the return line of your new pool or spa. This feeder is designed to automatically lower the water level so tablets are not soaking during off period of the pump. This allows more efficient use of tablets. It feeds sanitiser directly to the pool or spa. All parts are replaceable.

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Pentair Rainbow 320 Chlorine/Bromine Feeder Instruction Manual | Manualzz

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Key features

  • Automatic tablet dispensing
  • No special venting required
  • Completely enclosed
  • Positive external no-clog control valve
  • Feeds sanitizer directly to pool or spa
  • All parts replaceable
  • Corrosion resistant check valve

Frequently asked questions

The check valve prevents corrosive liquids and gases from flowing back to pool/spa equipment, preventing corrosion problems and damage.

The frequency of recharging depends on factors such as bather load, water temperature, and sunlight. For best results, check the chlorine residual daily for the first 5 days and adjust the feed rate accordingly.

If the feeder does not provide enough chlorine residual, switch to smaller tablets. You can also install a Hi Flow Feeder kit, which will increase the flow and pressure through the system.

Do not install the feeder into copper plumbing as pipe damage will occur. Use a corrosion resistant check valve to protect your equipment from corrosive liquids and gases.

Keep the inside of the feeder clean of dirt and debris at all times. To clean, flush thoroughly with fresh water.

If installed below water level, a drain valve must be installed to prevent spillage and dangerous splash back of high chlorinated water during recharging. Drill and tap a ¼” MPT hole at the same level the control valve is located. Make sure there is no water or tablets inside the feeder before drilling. Install optional drain valve.

Use only CLEAN Trichlor-s-trizinetrione OR CLEAN Bromine tables — slow dissolving type. Never use dirty tablets.

No, calcium hypochlorite is not to be used in any form.

CAUTION SHOULD BE USED WHEN REMOVING CAP. DO NOT INHALE FUMES.
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