System 3 D.E. Filters SD Series

D.E. is historically the media of choice for the designers of some of the largest and most beautiful pools in the world. It is now more practical for all backyard pools as well. System 3 brings you the proven performance of Sta-Rite’s diatomaceous earth media in an easy-to-operate filter. The greater cycle times and ­minimized maintenance of the System 3, coupled with Sta-Rite’s ­superior grid system, gives you the finest D.E. filter available.

Featured Highlights

Typical Installations – Inground pools, inground hot tubs, and water features
Quality Construction – Durable two-piece tank housing constructed of Dura-Glas™, Sta-Rite’s industry leading glass- reinforced composite resin
Easy Access – Posi-Lok™ Clamps provides easy access to tank internals
Innovative Design – 2 in. plumbing throughout combined with Sta-Rite’s rectangular grid system provides superior D.E. filtration
Low Maintenance – Superior backwash capabilities means less manual cleaning of the grids
Dual Drain Plugs – Side plug assembly includes 1-1/2 in. NPT port for direct discharge plumbing
Sleek Looks – Contemporary style and matte black finish looks attractive in any pool setting

Ordering Information - 1

Product Effective Filter Area (Sq. Ft.) Flow Rated ¹ At 1–2 GPM (per Sq. Ft.) Turnover Capacity (In Gallons) (Flow Rate x 60 x Hours) Tank Port Size D.E.² Required Carton Wt. (Lbs.)
6 Hour 8 Hour 10 Hour
SYSTEM3D. E. FILTERS - SD SERIES
S7D75 37 37–74 13–27,000 18–36,000 22–44,000 2 in. 3.7 112
S8D110 53 53–106 19–38,000 26–51,000 32–64,000 2 in. 5.3 136

Ordering Information - 2

Product Description Carton Wt. (Lbs.)
SD SERIES VALVE OPTIONS ³
18202-0150 ABS 6-Position Valve with Union Connections – 1-1/2 in. Valve Port 5
18201-0200 ABS 6-Position Valve with Union Connection – 2 in. Valve Port 8
263053 VLV Push Pull, 7.81 in. center 12
262508 Sta-Rite version for System 3 D.E. and Sand, inlet on bottom, with Sta-Rite offsetadapters glued on 12
ACCESSORIES FOR SYSTEM3MODULAR D. E. FILTER - SD SERIES
25021-1021 DE Conversion Kit – S7D75 - Grid Assembly and Valve Sold separately (new valve may be required) 18
25021-1025 DE Conversion Kit – S8D110 - Grid Assembly and Valve Sold separately (new valve may be required) 20

Note

¹ Based on NSF recommended flow rate for commercial at 1–2 GPM per square foot.
² Do not use more D.E. than shown here. Mixed results with D.E.alternatives.
³ Valves must be purchased separately.
Operating Limits – maximum continualoperating pressure of 50 PSI. Pool/spa (bather)applications, maximum operating watertemperature (internal filter) 104°F (40°C).
! CALIFORNIA PROPOSITION 65 WARNING WARNING: Cancer and Reproductive Harm. AVERTISSEMENT: Peut Causer le Cancer et des Dommages au Système Reproducteur. ADVERTENCIA: Cáncer y Daño Reproductivo. www.p65warnings.ca.gov.

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