This document is the Owner's Manual for the Hayward Pro Series High-Rate Sand Filters. It provides instructions for installation, operation, and maintenance of models including the S180T, S210T, S220T, and S244T. The manual details safety precautions regarding suction entrapment and hazardous pressure, as well as specific steps for loading filter sand media.
Use only High Rate Sand No. 20 Silica Sand (.45mm - .55mm).
Never operate or test the circulation system at more than 40 PSI.
The cover/grate should be inspected frequently and replaced at least every ten years.