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Hayward Pro Series Side Mount Sand Filter 30" Tank, Backwash Valve not included, W3S310S

Hayward Pro Series Side Mount Sand Filter 30" Tank, Backwash Valve not included, W3S310S

Mfg #: W3S310S

SKU: HAY-05-810

UPC: 610377387798

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Hayward W3S310S Pro(TM) Side Mount Sand Filter; 30 Inch, 4.91 sq-ft, 50 psi

ProSeries top-mount and 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.


  • Valve sold separately
  • Compatible with valves: SP0710X62, SP0715X62
  • Requires 500 lbs of sand
  • Top diffuser ensures even distribution of water over the top of the sand media bed. All internal piping is 2" to give smooth, free-flowing performance
  • Manual air relief purges any trapped air during operation of the filter system
  • Unitized, corrosion-proof, filter tank molded of rugged, colorfast reinforced thermoplastic dependable, all weather performance
  • Precision-engineered umbrella-fold self cleaning laterals for balanced flow and backwashing, plus easy serviceability
  • Large pressure sand/water drain for rapid winterizing or servicing
  • In-ground pools of all types and sizes
  • Water features (fish ponds, fountains, water gardens)
  • In-ground spas (residential or commercial)
  • Durable, flanged inspection cover provides convenient access to top of filter
  • Side-mount models are available with 6-position VariFlo™ or 2-position slide valve


Application In-ground pools of all types and sizes, In-ground spas (residential or commercial), Water features (fish ponds, fountains, water gardens)
Brand Hayward
FilterTank Molded Polymeric
FiltrationArea 4.91 sq-ft
FiltrationRate 98 gpm/sq-ft
ItemName Hayward ProSeries Side Mount Sand Filter
MaximumWorkingPressure 50 psi
Media No. 1/2 Silica Sand (0.45 - 0.55 mm)
MediaRequired 500 lbs
MountingBase Injection-Molded Polymer
MountingType Side Mount
SideClearance 18 Inch
Size 30 Inch
StandardsApprovals NSF Listed
SubBrand ProSeries
Turnover 47040 gal at 8 hrs, 58800 gal at 10 hrs
Type In Ground Pool Filters
Underdrain 360 deg Self-Cleaning Slotted Laterals, Precision Installed in Ball-Joint Assembly
VerticalClearance 18 Inch




Operational Manual