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Rainbow RA320 In-Line Chlorinator

SKU: RAI-171096
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$128.15

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Rainbow RA320 In-Line Chlorinator


The Rainbow automatic chlorine/bromine feeders not only save time, but also reduce manual handling of chemicals.


Use large or small Trichlor or Bromine slow-dissolving tablets to make sanitizing your new or existing pool or spa easy and automatic. Both install easily on the pressure side of the pump, downstream of the filter and heater.


Features an external fine control valve that lets you adjust the feed rate to meet specific pool or spa requirements. The 300 is ideal for retrofitting existing pools for automatic sanitization. The 320 is designed for permanent installation in the return line of new or existing systems, and dispenses sanitizer directly into your pool or spa, downstream of all equipment.
  • 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" slip PVC fittings and adapters for 1 1/2"
  • Completely enclosed systems - no escaping fumes
  • Simple, trouble-free designs - no special venting required
  • Top-loading makes it easy to add chemicals. Also available in clear chamber for easy tablet viewing

Rainbow 320 Chlorinator Parts

Diag. No.Item No.Description
2RAI-172008W
Rainbow Cap (300, 320 Chlorinator)
3OR-343
O-Ring #343 (Neoprene)
6RAI-172248
Rainbow Check Valve (320 Chlorinator)
9RAI-172086
Rainbow Valve 1/2, MIPT x Tube (320 Chlorinator)
13RAI-172037
Rainbow Chemical Chamber (300,320 Chlorinator)
Not all products are currently in stock. Non-stocking items can be ordered, which may increase delivery times.

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