System: 3 Sand Filters SS Series

System 3 brings you the proven performance of Sta-Rite’s sophisticated sand filter hydraulics in an easy-to-operate filter. Highly efficient, its sophisticated design yields a uniform flow pattern through a deeper sand bed than any other. Modular filter tanks allow for quick change of filter media without changing the tank. Contemporary style and matte black finish look attractive in any pool setting.

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
Innovative Design – The innovative design of the System 3 tank combined with the lateral/hub assembly produces a balanced flow of water and deeper sand bed penetration
Low Maintenance – The deep sand bed holds more dirt, resulting in longer filter cycles and less cleaning
Dual Drain Plugs – Side plug helps make sand removal easy, while the bottom plug comes with integral screen for easy draining without the loss of sand
Sleek Looks – Contemporary style and matte black finish looks attractive in any pool setting

Ordering Information - 1

Product Flow Rated ¹
at 15–20 GPM
(per Sq. Ft.)
Turnover Capacity (Gallons)(Flow Rate x 60 x Hours) Tank Port
Sand ²
Wt. (Lbs.)
6 Hour 8 Hour 10 Hour
S7S50 2.4 36–48 13–17,000 17–23,000 22–29,000 2 in. 200 103
S8S70 3.4 51–68 18–25,000 25–33,000 31–41,000 2 in. 300 121

Ordering Information - 2

Product Description Carton
Wt. (Lbs.)
18202-0150 ABS 6-Position Valve with Union Connections – 1-1/2 in. Valve Port 5
18201-0200 ABS 6-Position Valve with Union Connections – 2 in. Valve Port 8
263053 VLV Push Pull, 7.81 in. center 4
262508 FullFloXF for System 3 D.E. and Sand, inlet on bottom, with Sta-Rite offset adapters glued on 10
25021-2021 Sand Conversion Kit – S7S50 - Collector Assembly and Valve Sold Separately (new valve may berequired) 5
25021-2025 Sand Conversion Kit – S8S70 - Collector Assembly and Valve Sold Separately (new valve may berequired) 6


¹ Based on NSF recommended flow rate for commercial at 15–20 GPM per square foot.
² Use only #20 white quartz silica sand, size range 0.40–0.55 mm; 12 in. To 15 in. sand bed depth required.
³ Valves must be purchased separately.
Operating Limits – maximum continual operating pressure of 50PSI. Pool/Spa (bather) applications, maximum water temperature (internalfilter) 104°F (40°C).

WARNING: Cancer and Reproductive Harm.
AVERTISSEMENT: Peut Causer le Cancer et des Dommages au Système Reproducteur.
ADVERTENCIA: Cáncer y Daño Reproductivo.

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