Hayward 30 Inch S310T2 Pro Series Top Mount Sand Filter for Swimming Pools
Hayward 30 Inch S310T2 Pro Series Top Mount Sand Filter for Swimming Pools
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Hayward 30 Inch S310T2 Pro Series Top Mount Sand Filter for Swimming Pools

Key item features

  • Sand-filtration system for in-ground pools of all types and sizes, in-ground spas and water features such as fish ponds, fountains and water gardens
  • 30-inch top-mount sand filter tank
  • Flange clamp design allows 360-degree rotation of valve to simplify plumbing
  • Full-flow 360-degree self-cleaning laterals provide energy-efficient operation and thorough back washing
  • Integral top diffuser ensures even distribution of water over the top of the sand media bed.
  • All internal piping is 2 inches to give smooth, free-flowing performance
  • 6-position 2-inch VariFlo valve with easy lever-action handle lets you dial in any valve/filter function.
  • Integral sight glass lets you see when backwash cycle is completed
  • Unitized, corrosion-proof filter tank molded of rugged, colorfast reinforced thermoplastic for dependable, all-weather performance
  • Durable, flanged inspection cover provides convenient access to top of filter
  • Precision engineered umbrella-fold self-cleaning laterals for balanced flow and backwashing, plus easy servicing
  • Large pressure sand/water drain for rapid winterizing or servicing; molded drain plug ensures drainage without loss of sand
  • Specifications:
  • Filter type: High rate, No. 20 silica sand (0.45mm 0.55mm)
  • Filter tank: Molded thermoplastic
  • Underdrain: 360 degrees self-cleaning slotted laterals, precision-installed in ball-joint assembly
  • Maximum working pressure: 50 PSI
  • Design flow rate: 98 GPM
  • Effective filtration area: 4.91 square feet (based on 20 GPM per foot)
  • Support base: Molded thermoplastic
  • Turnover (in gallons): 10 hours, 58,800; 8 hours, 47,040
  • Required side clearance: 18 inches
  • Required above clearance: 18 inches
  • 500 pounds of sand required (not included)
  • Dimensions (W x H): 30.5 x 48 inches
  • Weight: 68 pounds
  • Manufacturer warranty: 1-year warranty
Current price is $789.00
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4.6 out of 5 stars
stars54 ratings54 reviews
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Showing 1-3 of 54 reviews

Apr 23, 2025
John
5 out of 5 stars review

Seller Verified Purchase

I would buy this product again.

Filter was exactly what I needed. Works great product was packed and shipped correctly and promptly. Will continue doing business with this company very satisfied. Didn't appreciate it being left on the street but that's not the company fault. Doheny's is great.

Review from Doheny's
Helpful?5T0J0JTE2L3836766664
Jun 7, 2025
Quick and easy
5 out of 5 stars review

Seller Verified Purchase

Purchasing from here is awesome

Delivery is fast, which is helpful when things are needing to be replaced asap. I now see the difference in the filter with a valve on top vs valve on side. I had one with valve on the side and switched to one with a valve on top. I didn't understand why there was such a price difference but now I do. If you don't have an excellent pump and use the top valve filter, the pressure in the skimmers is reduced due to the water needing to be pushed up into the filter as opposed to pvc pipes being at same level of filter. I learn something new every year about pools.

Review from Doheny's
Helpful?5T0J0JTE2L3836766664
Aug 14, 2025
MH
5 out of 5 stars review

Seller Verified Purchase

Great product.

Replaced the same model after 22 years. Worked well.

Review from Doheny's
Helpful?5T0J0JTE2L3836766664