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Home Hayward Pro Series Top Mount Sand Filter 30" Tank with 2" Top Mount Vari-Flo Valve | W3S310T2
NOTICE: The pool & spa industry continues to face industry-wide shortages on many products that most vendors expect to last late into 2022. We're allowing items to be purchased so that customers who choose to wait will have their order shipped when product is available. Most vendors are not providing any ETA on when items will be available. WE WILL EMAIL YOU RIGHT AWAY IF YOUR ITEM IS BACKORDERED. 

Hayward Pro Series Top Mount Sand Filter 30" Tank with 2" Top Mount Vari-Flo Valve | W3S310T2

Hayward Pro Series Top Mount Sand Filter 30" Tank with 2" Top Mount Vari-Flo Valve | W3S310T2 Hayward Pro Series Top Mount Sand Filter 30" Tank with 2" Top Mount Vari-Flo Valve | W3S310T2

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Parts AvailableParts Available
Platinum Preferred Manufacturer
  • Unitized, corrosion-proof filter tank molded of rugged, colorfast reinforced thermoplastic for dependable, all-weather performance
  • 7 position Hayward Vari-Flo control valve with easy-to-use lever-action handle lets you dial any of the valve/filter functions.
  • Precision-engineered umbrella-fold self cleaning laterals for balanced flow and backwashing, plus easy serviceability
  • Online part number W3S310T2 is the direct replacement for part number S310T2.
Purchase Options
  • Waterco MultiCyclone 50 Pre-Filter 2-Inch | 200375 200370
    Waterco MultiCyclone 50 Pre-Filter 2-Inch | 200375 200370

ProSeries top-mount sand filters utilize a precision engineered umbrella-fold self-cleaning lateral system to provide efficient flow and evenly distributed water for long lasting performance.
  • Durable corrosion proof materials for dependable all weather performance
  • Large pressure sand/water drain for rapid winterizing or servicing
  • Top-mount models are available with 7-position or 6-position VariFlo control valve
  • Side-mount models are available with 6-position VariFlo or 2-position slide valve 
Product Specifications
Brand Hayward
Item Sand Filter
Series Pro
Filtration Area 4.91 sq-ft
Flow Rate 98 gpm/sq-ft
Size 30 inch
Mounting Type Top Mount
Turnover 47040 gal at 8 hrs, 58800 gal at 10 hrs
Media # 1/2 Silica Sand
Media Required 500 lbs
Filter Tank Molded Polymeric
Fastening Flange Clamp Design
Mounting Base Injection Molded Polymer
Underdrain 360 deg Self-cleaning slotted laterals, precision installed in ball-joint assembly

Tank Diameter
Valve Position
ClearPro Technology
Square Foot
Q & A
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 3 questions Browse 3 questions and 1 answer
I want to know if it's in stock?
chaim on Jun 28, 2021
I want to know if it's in stock?
chaim on Jun 28, 2021
how do I remove the valve?
A shopper on Apr 15, 2022
BEST ANSWER: Remove the two screws on the metal flange at the base of the valve. The valve will then lift out of the filter tank.
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Warranty applies only to products that were purchased from Hayward authorized sellers. Pool Supply Unlimited is a Hayward Authorized Online Reseller.
See Warranty Information PDF for warranty details.
For Hayward warranty registration information, and to submit online, please visit www.hayward-pool.com
This information was updated on 4/22/2022. For the most current information and full warranty policy please visit www.hayward-pool.com

 Adobe Acrobat PDF Warranty Information
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Pool Supply Unlimited is an e-commerce company that loves water. We love to pump it, filter it, heat it, chlorinate it, light it up and stare at it while we're barbequing a fat, juicy steak. There are real pool professionals working here. Our guys have seen thousands of pools in their careers, no exaggeration. We are based in Southern California and can land most products to your door (within the 48 contiguous states) in less than a week.
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