Rainbow 320 Inline Automatic Chlorinator

Rainbow 320 Inline Automatic Chlorinator

Automatic Chlorinator



Rainbow's 320 series of inline chlorinators are designed for permanent installation in the return line of pools and spas. No need to drill any holes. Comes with standard 2 in. slip PVC pipe fittings and adapter for 1-1/2 in. slip installation. Works on the pressure side of the pump and is to be used with slow dissolving Trichlor tabs and sticks or bromine tabs and sticks. Includes a heavy-duty 1/2 in. control valve and a replaceable 1/2 in. check valve. Unit comes with feed line installed in the bottom of chlorinator for normal use but is also drilled and tapped at the top of chlorinator if additional chlorine/bromine dispersion is required. Top feed 1/2 in. x 18 in. extension tubing is included.


  • Simple installation for do-it-yourselfers

    Connection Diagram for In Line Chlorinators

    Hayward CL200 In Line Chlorinator

    Danger: When refilling a floating or automatic chlorinator/brominator, always use the exact same type of tablets. If trichlor tablets were used, refill with trichlor tablets only. Never mix chlorine tablets with bromine tablets.

    Rainbow 320 Inline Automatic Chlorinator - ID#:SPP-RAI-320
    Mfg'd By: Pentair Water Pool and Spa  SKU#:R171218
    Regular Price: $124.95
    Sales Price: $71.95
    You Save $53.00 or 42.42%

    Availability: Usually ships within 1-3 business days.
    Shipping cost is NOT included. - Please add the item to your shopping cart, enter your zip/postal code, and it will indicate the shipping cost to have it delivered to your home or business by Trackable Ground Delivery. (UPS/FedEx, etc.) A delivery surcharge may also apply to Alaska, Hawaii, Puerto Rico, Canada and some remote areas of the USA.
    Average transit time is 2-5 business days.


  • Last Updated: 01/07/2025 05:15 AM - ID:1686