The SR-4000 (single pump) and SR-6000 (dual pump, separate control boards per pump) are ideal for applications requiring daily chemical maintenance. With the ability to stack three pumps per drive, these systems can dose from one drop/minute - 70 gal/day, with many increments in-between. Systems can be used for two separate chemicals or two separate locations; systems can also be operated on a continuous setting and cycled by an automatic backwash controller.
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