The Rainbow Model 320 In-Line Automatic Chlorine or Bromine Feeder is will treat pools from 6,500 to 27,000 gallons per day for bottom feed and 18,000 to 70,000 qallons per day for top feed. This model 320 features an external fine control valve that lets you adjust the feed rate to meet specific pool or spa requirements. The feeder uses small Trichlor or Bromine slow-dissolving tablets to make sanitizing your existing spa easy and automatic. The Model 320 feeder 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.
The Rainbow 320 Series is for permanent installation in either new or existing pools. They not only save time, but they also reduce manual handling of chemicals. The Pentair automatic feeders feature an external fine control valve that lets you adjust the feed rate to meet specific pool or spa requirements. The check valve protects the pump and heater from back-up of highly chlorinated water.
The Rainbow Automatic Feeders are completely enclosed systems, so no escaping fumes. with the simple, trouble-free design, no venting is necessary. They are top loading which makes it very easy to add chemicals. And extensions are available to increase tablet or stick capacity, in case you are away for an extended period.
These Pentair Automatic Feeders are NSF listed for public or residential use in swimming pools, spas or hot tubs using 1 inch 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.
