The Rainbow Model 300 Off-Line Automatic Chlorine or Bromine Feeder will treat pools and spas from 12,000 to 48,000 gallons per day. This model 300 is freestanding and holds 11 large or 98 small chlorine tablets. The feeder uses large or small Trichlor or Bromine slow-dissolving tablets to make sanitizing your existing pool or spa easy and automatic. Plus, the Rainbow Model 300 installs easily on the pressure side of the pump, downstream of the filter and heater.
The Rainbow 300 Series will retrofit into existing pools or spas. 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.
The Series 300 off-line feeders are for retrofit installations. For permanent installation in the return line, the Rainbow Model 320 feeders are available.
