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Hayward 21" Side Mount Sand Filter with 1.5" Valve

SKU#: S210S
Availability: In Stock
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  • Superior Filtration Performance: Designed with a 21" tank and high-quality sand media, this filter efficiently traps dirt and debris for crystal-clear water, reducing the frequency of cleanings

  • Durable Construction: Built with heavy-duty materials and corrosion-resistant parts, the Hayward 21" Side Mount Sand Filter is built to withstand tough outdoor conditions for long-lasting durability

  • Easy-to-Use 1.5" Valve: Featuring a 1.5" valve, this filter ensures smooth and reliable flow control, with a simple side mount design that makes operation and maintenance a breeze

  • Energy Efficient Design: The Hayward S210S filter offers an energy-efficient solution for pool owners, ensuring optimal performance while keeping energy costs low

  • Versatile Compatibility: Perfectly suited for both above ground and small in-ground pools, the S210S filter works with a variety of pool systems, making it an excellent choice for pool owners seeking reliable filtration

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OverviewReviewsQ & A

Description

ProSeries side-mount sand filters utilize a precision engineered umbrella-fold self-cleaning lateral system to provide efficient flow and evenly distributed water for totally balanced backwashing and long lasting performance. Tank is molded of corrosion proof polymeric materials for dependable all-weather performance. Manual air relief for easy, manual release of air from system. Measures 21" round x 33" in height.

Features

  • Durable corrosion proof materials for dependable all weather performance

  • Large pressure sand/water drain for rapid winterizing or servicing

  • Side-mount models are available with 2-position slide valve

Specs

Specifications
Filter typeHigh-Rate Sand: No. 20 Silica Sand (0.45 mm – 0.55 mm)
Filter TankMolded Polymeric
Underdrain360° self-cleaning slotted laterals, precision installed in ball-joint assembly
Support BaseInjection-Molded polymer
Performance Range30 to 120 GPM (114 to 454 LPM)
Dimensions20½" W x 32⅛"
Control Valve1½", 6-Position, VariFlo
Effective Filtration Area2.20 ft.2 / 0.20 m2
DESIGN FLOW RATE44 GPM / 167 LPM
Turnover8 Hours: 21,120 Gal / 10 hours: 26,400 Gal
Sand Required200 lbs.

    Hayward 21" Side Mount Sand Filter with 1.5" Valve Reviews

    imageWhat size pool is the Hayward S210S side-mount sand filter designed for? 1 Answer

    • The Hayward 21" side-mount sand filter is suitable for small to medium in-ground pools, typically up to 24,000 gallons (approximately 91,000 liters), depending on pump size and daily run time. Its efficient design provides consistent filtration while maintaining good water flow.

    imageWhat are the advantages of a side-mount sand filter compared to a top-mount model? 1 Answer

    • A side-mount design allows for easier access to the sand bed and internal components without removing the valve. This makes deep cleaning, sand replacement, and internal inspections more convenient, especially in tighter equipment pads or permanent plumbing setups.

    imageWhat pumps and pool types is this sand filter compatible with? 1 Answer

    • The Hayward S210S is compatible with most standard in-ground pool pumps that use 1.5" plumbing connections and operate within the filter’s recommended flow range. It works well with vinyl, fiberglass, and concrete pools. Always ensure your pump’s flow rate does not exceed the filter’s maximum rating for optimal performance.

    imageHow much maintenance does this sand filter require over time? 1 Answer

    • Routine care involves periodic backwashing when pressure rises 8-10 PSI above normal. The sand typically only needs replacement every 5-7 years, making this a low-maintenance, cost-effective filtration solution.

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