Hayward ProSeries S180T Sand Filter — compact and reliable solution for above-ground pools
The 18-inch Hayward ProSeries S180T sand filter offers robust and economical filtration for standard above-ground pools and small in-ground pools. Equipped with a 1½ in VariFlo® valve, a corrosion-proof thermoplastic tank, and umbrella-folding laterals, it ensures clear water all season long with minimal maintenance — the benchmark for family pools in Quebec.
Why choose the Hayward ProSeries S180T?
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Unified corrosion-proof thermoplastic tank — resistant to salt, chlorine, and UV for years of worry-free use.
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360° rotating clamping collar — orient the valve in any direction to simplify plumbing.
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1½ in VariFlo® valve included (6 or 7 positions) — filtration, backwash, rinse, recirculate, waste, closed.
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Integrated top diffuser — uniform water distribution over the sand bed for optimal filtration.
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Self-cleaning umbrella-folding laterals — easy disassembly, efficient washing, quick maintenance.
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Integrated sand/water pressure drain — quick winterization.
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Pressure gauge and sight glass — easy filtration monitoring.
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Compact size (18 in) — ideal for small technical areas and above-ground pools.
Official Hayward Technical Specifications
| Brand / Series |
Hayward — ProSeries™ |
| Model (Hayward SKU) |
S180T (Canadian box: S180TC) |
| Type |
Top Mount Sand Filter |
| Tank Diameter |
18 in (46 cm) |
| Effective Filter Area |
1.77 ft² (0.16 m²) |
| Sand Capacity |
150 lb (68 kg) — #20 silica filter sand (not included) |
| Design Flow Rate |
35 GPM (132 L/min) |
| Backwash Flow Rate |
35 GPM |
| 8 h Turnover |
16,800 gallons |
| 10 h Turnover |
21,000 gallons |
| Maximum Service Pressure |
50 PSI |
| Valve / Drain Connection |
1½ in (38 mm) |
| Valve Included |
VariFlo® 1½ in — 6 or 7 positions |
| Pressure Gauge / Sight Glass |
Included |
| Footprint |
~18 × 18 in |
| Tank Material |
Molded Resin Polymer — unitized |
| Pool Type |
Above Ground — small in-ground |
| Warranty |
2-year parts |
| Hayward Line |
Expert Line |
ProSeries Comparison — choosing the right size
| Model |
Diameter |
Area |
Sand |
Flow Rate |
Typical Application |
|
S180T (this model) |
18 in |
1.77 ft² |
150 lb |
35 GPM |
Above-ground 15-18 ft round / 12×24 oval |
| S210T |
21 in |
2.2 ft² |
200 lb |
44 GPM |
Above-ground 18-24 ft round / small in-ground |
| S244T |
24 in |
3.14 ft² |
300 lb |
62 GPM |
Standard in-ground pool |
Recommended Pump Compatibility
The S180T pairs perfectly with Hayward 0.75 HP to 1 HP pumps: Power-Flo Matrix, Power-Flo LX, or MaxFlo. Compatible with variable speed pumps up to 1 HP. Ideal for standard family above-ground pools.
Installation and Maintenance
- 1½ in FIP plumbing connection.
- Backwash when pressure rises 8 to 10 PSI above starting pressure.
- Simple winterization thanks to the bottom drain — quick tank emptying.
- Filter sand typically needs to be replaced every 5 to 7 years.
- Alternative: ZeoSand or AFM Glass for finer filtration (up to 5 microns) with 30% less media.
FAQ — Hayward ProSeries S180T
Is the S180T suitable for my above-ground pool?
Yes — it's the ideal option for 15 to 18-foot round or 12×24 oval pools, with a 0.75 to 1 HP pump.
How much sand should I put in the S180T?
150 lb of #20 silica filter sand (three 50 lb bags).
What is the difference between S180T and S180TC?
No technical difference. The "C" suffix denotes Canadian packaging.
Which pump should I choose with the S180T?
Hayward Power-Flo Matrix 1 HP or Power-Flo LX 0.75-1 HP. For standard above-ground pools, this is the classic combination.
Compatible with a salt chlorinator?
Yes — the polymer tank is perfectly resistant to salt. Ideal with an AquaRite® S3.
How long does a Hayward ProSeries filter last?
15 to 20 years under normal use conditions with regular maintenance.
Why buy from Piscines Geyser?
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Hayward Rewards® Retailer — warranty fully honored.
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22 years of Quebec pool expertise — advice on pumps and filter sand.
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Replacement parts in stock — SX180DA laterals, gaskets, pressure gauges, VariFlo valves.
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Local service — installation, startup, and winterization available.
