Hayward ProSeries S210T Sand Filter — Compact Performance for Above-Ground and In-Ground Pools
The Hayward ProSeries S210T 21-inch sand filter offers an exceptional balance of flow rate, filtration capacity, and compactness. Ideal for high-end above-ground pools and small to medium-sized in-ground pools. Includes a VariFlo XL valve, self-cleaning umbrella-folding laterals, and a unified thermoplastic tank for season-after-season reliability in the Quebec climate.
Why choose the Hayward ProSeries S210T?
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Robust anti-corrosion construction — colorfast molded resin polymer tank, all-season performance.
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360° rotation clamping collar — orient the valve to simplify plumbing.
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1½ inch VariFlo XL valve included — 6 or 7 positions (filter, backwash, rinse, recirculate, waste, closed) with lever handle.
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Integrated top diffuser — uniform water distribution over the sand bed for maximum filtration.
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Self-cleaning umbrella-folding laterals — flow balancing and efficient washing, simple disassembly for maintenance.
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Large bottom drain — quick winterization in minutes.
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Integrated pressure gauge and backwash sight glass — monitor your filtration at a glance.
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2-year parts warranty by Hayward.
Official Hayward Technical Specifications
| Brand / Series |
Hayward — ProSeries™ |
| Model (Hayward SKU) |
S210T (Canadian box: S210TC) |
| GTIN |
610377056540 |
| Type |
Top Mount Sand Filter |
| Tank Diameter |
21 in (53 cm) |
| Effective Filter Area |
2.2 sq ft (0.20 m²) |
| Sand Capacity |
200 lb (91 kg) — #20 silica filter sand (not included) |
| Operating Flow Rate (Design Flow) |
44 GPM (167 L/min) |
| Backwash Flow Rate |
44 GPM |
| 8 h Turnover |
21,120 gallons |
| 10 h Turnover |
26,400 gallons |
| Maximum Operating Pressure |
50 PSI |
| Valve / Drain Connection |
1½ in (38 mm) |
| Valve Included |
VariFlo XL 1½ in — 6 or 7 positions |
| Pressure Gauge / Backwash Sight Glass |
Included |
| Dimensions (H × W × D) |
38 in × 20.5 in × 20.5 in (97 × 52 × 52 cm) |
| Footprint |
20.5 × 20.5 in |
| Required Clearance |
18 in lateral / 18 in vertical |
| Net Weight |
37 lb (16.8 kg) |
| Tank Material |
Molded Resin Polymer — Unitized |
| Pool Type |
Above Ground and In Ground |
| Warranty |
2-year parts |
| Hayward Line |
Expert Line |
ProSeries Comparison — Choosing the Right Size
| Model |
Diameter |
Surface Area |
Sand |
Flow Rate |
Typical Application |
| S180T |
18 in |
1.77 sq ft |
150 lb |
35 GPM |
Small above-ground pool |
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S210T (this model) |
21 in |
2.2 sq ft |
200 lb |
44 GPM |
Above-ground 18 ft round / 12×24 oval / small in-ground |
| S244T |
24 in |
3.14 sq ft |
300 lb |
62 GPM |
Standard in-ground pool (16×32) |
Recommended Pump Compatibility
The S210T is performance-matched with Hayward 0.75 to 1.5 HP pumps: Power-Flo Matrix, MaxFlo XL, Super Pump, or high-end above-ground pumps. Also compatible with variable-speed pumps up to 1.5 HP. For in-ground pools, see the larger S244T.
Installation and Maintenance
- 1½ in FIP (female) plumbing connection.
- Backwash when pressure increases by 8 to 10 PSI above clean starting pressure.
- Winterization: open the bottom drain to empty the tank; disconnect the valve.
- Filter sand to be replaced approximately every 5 to 7 years depending on use.
FAQ — Hayward ProSeries S210T
Is the S210T suitable for my above-ground pool?
Yes — it is the ideal filter for 18 to 24 ft round above-ground pools and 12×24 to 15×30 oval pools, with a 1 to 1.5 HP pump.
How much sand should I put in the S210T?
200 lb of #20 silica filter sand (four 50 lb bags). ZeoSand requires about 140 lb for the same filtering volume.
What is the difference between S210T and S210TC?
None — the "C" suffix denotes Canadian packaging. Identical product.
Standard VariFlo or VariFlo XL?
The S210T includes the VariFlo XL valve, an improved version with more durable seals and better ergonomics.
Which pump should I choose with the S210T?
Hayward Power-Flo Matrix, MaxFlo XL or Super Pump 1 HP to 1.5 HP. For above-ground pools, the Power-Flo Matrix 1.5 HP is ideal.
Compatible with a salt chlorinator?
Absolutely — the polymer tank is perfectly resistant to salt and chlorine. Combine with an AquaRite® for minimalist maintenance.
Why buy from Piscines Geyser?
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Hayward Rewards® Retailer — warranty fully honored.
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22 years of pool expertise — advice on the pump and filter medium adapted to your installation.
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Spare parts in stock — SX210DA laterals, gaskets, pressure gauges, VariFlo valves.
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Local service — installation, startup, and winterization available.
