{"product_id":"haywardproseries31sandfiltertopmountw3s310t2hppw3s310t2","title":"Hayward ProSeries 31\" Sand Filter Top Mount | W3S310T2","description":"\u003ch2 data-section-id=\"1p927wt\" data-start=\"347\" data-end=\"366\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"368\" data-end=\"788\"\u003eThe \u003cstrong data-start=\"372\" data-end=\"428\"\u003eHayward ProSeries 31\" Sand Filter Top Mount W3S310T2\u003c\/strong\u003e is a high-capacity sand filtration system designed for dependable pool water clarity, strong flow performance, and simple maintenance. Built with a rugged, corrosion-proof polymeric tank and an included \u003cstrong data-start=\"632\" data-end=\"672\"\u003e2\" top-mount VariFlo multiport valve\u003c\/strong\u003e, this filter is ideal for larger residential pool systems that require reliable filtration and efficient operation.\u003c\/p\u003e\n\u003cp data-start=\"790\" data-end=\"1099\"\u003eIts large tank and 500 lb sand capacity provide a deep sand bed for trapping dirt, debris, and fine particles. The top-mount valve design makes everyday operation easy, while the internal diffuser and self-cleaning lateral system help distribute water evenly for balanced filtration and effective backwashing.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1vdrhtn\" data-start=\"1101\" data-end=\"1113\"\u003eIdeal For\u003c\/h2\u003e\n\u003cp data-start=\"1115\" data-end=\"1377\"\u003eLarger residential in-ground swimming pools\u003cbr data-start=\"1158\" data-end=\"1161\"\u003ePool systems requiring a high-capacity sand filter\u003cbr data-start=\"1211\" data-end=\"1214\"\u003eCustomers upgrading to a 2\" top-mount valve setup\u003cbr data-start=\"1263\" data-end=\"1266\"\u003ePool owners looking for simple backwash maintenance\u003cbr data-start=\"1317\" data-end=\"1320\"\u003eReplacement for Hayward S310T2 \/ W3S310T2 style filters\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1379\" data-end=\"1394\"\u003eKey Features\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1keiot\" data-start=\"1396\" data-end=\"1432\"\u003eLarge 31\" Class Sand Filter Tank\u003c\/h3\u003e\n\u003cp data-start=\"1434\" data-end=\"1557\"\u003eThe large filter tank provides high-capacity sand filtration for larger pool systems and helps maintain clean, clear water.\u003c\/p\u003e\n\u003ch3 data-section-id=\"18iu1rz\" data-start=\"1559\" data-end=\"1598\"\u003e2\" VariFlo Multiport Valve Included\u003c\/h3\u003e\n\u003cp data-start=\"1600\" data-end=\"1768\"\u003eThe included \u003cstrong data-start=\"1613\" data-end=\"1643\"\u003e2\" top-mount VariFlo valve\u003c\/strong\u003e allows easy control of filter functions, including filter, backwash, rinse, waste, recirculate, closed, and winter settings.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1y7rm6b\" data-start=\"1770\" data-end=\"1810\"\u003eDurable Corrosion-Proof Construction\u003c\/h3\u003e\n\u003cp data-start=\"1812\" data-end=\"1945\"\u003eThe unitized filter tank is molded from rugged, colorfast polymeric material for dependable outdoor performance and long-lasting use.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ucdvgx\" data-start=\"1947\" data-end=\"1971\"\u003e500 lb Sand Capacity\u003c\/h3\u003e\n\u003cp data-start=\"1973\" data-end=\"2075\"\u003eThe large sand bed helps capture dirt and debris effectively, supporting reliable everyday filtration.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1lctptd\" data-start=\"2077\" data-end=\"2104\"\u003eEven Water Distribution\u003c\/h3\u003e\n\u003cp data-start=\"2106\" data-end=\"2219\"\u003eThe integral top diffuser distributes water evenly across the sand media bed for improved filtration performance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1xhrqc4\" data-start=\"2221\" data-end=\"2253\"\u003eSelf-Cleaning Lateral System\u003c\/h3\u003e\n\u003cp data-start=\"2255\" data-end=\"2371\"\u003ePrecision-engineered umbrella-fold laterals provide balanced flow, efficient backwashing, and easier serviceability.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1mhonzq\" data-start=\"2373\" data-end=\"2402\"\u003e360-Degree Valve Rotation\u003c\/h3\u003e\n\u003cp data-start=\"2404\" data-end=\"2521\"\u003eThe flange clamp design allows the valve to rotate 360 degrees, helping simplify installation and plumbing alignment.\u003c\/p\u003e\n\u003ch3 data-section-id=\"13urkm6\" data-start=\"2523\" data-end=\"2555\"\u003eEasy Service and Winterizing\u003c\/h3\u003e\n\u003cp data-start=\"2557\" data-end=\"2677\"\u003eA large pressure sand and water drain helps make draining, servicing, and winter preparation faster and more convenient.\u003c\/p\u003e\n\u003ch2 data-section-id=\"2qq1z5\" data-start=\"2679\" data-end=\"2690\"\u003eBenefits\u003c\/h2\u003e\n\u003cp data-start=\"2692\" data-end=\"2925\"\u003eThe Hayward W3S310T2 is built for pool owners who want strong filtration performance with low-maintenance operation. Sand filters are easy to operate, simple to backwash, and do not require frequent cartridge cleaning or replacement.\u003c\/p\u003e\n\u003cp data-start=\"2927\" data-end=\"3143\"\u003eWith its 2\" VariFlo valve, 500 lb sand capacity, 4.91 sq. ft. filtration area, and 98 GPM flow rate, this model is a strong option for larger residential pool systems when properly matched with the pump and plumbing.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"3145\" data-end=\"3162\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3164\" data-end=\"3919\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3164\" data-end=\"3191\"\u003e\n\u003ctr data-start=\"3164\" data-end=\"3191\"\u003e\n\u003cth data-start=\"3164\" data-end=\"3180\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"3180\" data-end=\"3191\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3202\" data-end=\"3919\"\u003e\n\u003ctr data-start=\"3202\" data-end=\"3221\"\u003e\n\u003ctd data-start=\"3202\" data-end=\"3210\" data-col-size=\"sm\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-start=\"3210\" data-end=\"3221\" data-col-size=\"sm\"\u003eHayward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3222\" data-end=\"3244\"\u003e\n\u003ctd data-start=\"3222\" data-end=\"3231\" data-col-size=\"sm\"\u003eSeries\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3231\" data-end=\"3244\"\u003eProSeries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3245\" data-end=\"3265\"\u003e\n\u003ctd data-start=\"3245\" data-end=\"3253\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3253\" data-end=\"3265\"\u003eW3S310T2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3266\" data-end=\"3284\"\u003e\n\u003ctd data-start=\"3266\" data-end=\"3272\" data-col-size=\"sm\"\u003eSKU\u003c\/td\u003e\n\u003ctd data-start=\"3272\" data-end=\"3284\" data-col-size=\"sm\"\u003eW3S310T2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3285\" data-end=\"3317\"\u003e\n\u003ctd data-start=\"3285\" data-end=\"3301\" data-col-size=\"sm\"\u003eUPC \/ Barcode\u003c\/td\u003e\n\u003ctd data-start=\"3301\" data-end=\"3317\" data-col-size=\"sm\"\u003e610377387804\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3318\" data-end=\"3340\"\u003e\n\u003ctd data-start=\"3318\" data-end=\"3332\" data-col-size=\"sm\"\u003eFilter Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3332\" data-end=\"3340\"\u003eSand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3341\" data-end=\"3381\"\u003e\n\u003ctd data-start=\"3341\" data-end=\"3355\" data-col-size=\"sm\"\u003eFilter Size\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3355\" data-end=\"3381\"\u003e31\" class \/ 30.5\" tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3382\" data-end=\"3408\"\u003e\n\u003ctd data-start=\"3382\" data-end=\"3395\" data-col-size=\"sm\"\u003eValve Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3395\" data-end=\"3408\"\u003eTop Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3409\" data-end=\"3456\"\u003e\n\u003ctd data-start=\"3409\" data-end=\"3426\" data-col-size=\"sm\"\u003eValve Included\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3426\" data-end=\"3456\"\u003e2\" VariFlo Multiport Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3457\" data-end=\"3501\"\u003e\n\u003ctd data-start=\"3457\" data-end=\"3485\" data-col-size=\"sm\"\u003eEffective Filtration Area\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3485\" data-end=\"3501\"\u003e4.91 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3502\" data-end=\"3524\"\u003e\n\u003ctd data-start=\"3502\" data-end=\"3514\" data-col-size=\"sm\"\u003eFlow Rate\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3514\" data-end=\"3524\"\u003e98 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3525\" data-end=\"3561\"\u003e\n\u003ctd data-start=\"3525\" data-end=\"3543\" data-col-size=\"sm\"\u003e8-Hour Turnover\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3543\" data-end=\"3561\"\u003e47,040 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3562\" data-end=\"3599\"\u003e\n\u003ctd data-start=\"3562\" data-end=\"3581\" data-col-size=\"sm\"\u003e10-Hour Turnover\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3581\" data-end=\"3599\"\u003e58,800 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3600\" data-end=\"3628\"\u003e\n\u003ctd data-start=\"3600\" data-end=\"3616\" data-col-size=\"sm\"\u003eSand Capacity\u003c\/td\u003e\n\u003ctd data-start=\"3616\" data-end=\"3628\" data-col-size=\"sm\"\u003e500 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3629\" data-end=\"3679\"\u003e\n\u003ctd data-start=\"3629\" data-end=\"3648\" data-col-size=\"sm\"\u003eRecommended Sand\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3648\" data-end=\"3679\"\u003e#20 silica pool filter sand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3680\" data-end=\"3734\"\u003e\n\u003ctd data-start=\"3680\" data-end=\"3696\" data-col-size=\"sm\"\u003eTank Material\u003c\/td\u003e\n\u003ctd data-start=\"3696\" data-end=\"3734\" data-col-size=\"sm\"\u003eCorrosion-proof polymeric material\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3735\" data-end=\"3757\"\u003e\n\u003ctd data-start=\"3735\" data-end=\"3751\" data-col-size=\"sm\"\u003ePlumbing Size\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3751\" data-end=\"3757\"\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3758\" data-end=\"3785\"\u003e\n\u003ctd data-start=\"3758\" data-end=\"3772\" data-col-size=\"sm\"\u003eMount Style\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3772\" data-end=\"3785\"\u003eTop Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3786\" data-end=\"3831\"\u003e\n\u003ctd data-start=\"3786\" data-end=\"3798\" data-col-size=\"sm\"\u003ePool Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3798\" data-end=\"3831\"\u003eResidential pool applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3832\" data-end=\"3865\"\u003e\n\u003ctd data-start=\"3832\" data-end=\"3858\" data-col-size=\"sm\"\u003ePressure Gauge Included\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3858\" data-end=\"3865\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3866\" data-end=\"3896\"\u003e\n\u003ctd data-start=\"3866\" data-end=\"3889\" data-col-size=\"sm\"\u003eFilter Base Included\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3889\" data-end=\"3896\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3897\" data-end=\"3919\"\u003e\n\u003ctd data-start=\"3897\" data-end=\"3913\" data-col-size=\"sm\"\u003eSand Included\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3913\" data-end=\"3919\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 data-section-id=\"xydb7h\" data-start=\"3921\" data-end=\"3939\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cp data-start=\"3941\" data-end=\"4084\"\u003eHayward W3S310T2 ProSeries sand filter tank\u003cbr data-start=\"3984\" data-end=\"3987\"\u003e2\" top-mount VariFlo multiport valve\u003cbr data-start=\"4023\" data-end=\"4026\"\u003eFilter base\u003cbr data-start=\"4037\" data-end=\"4040\"\u003eInternal lateral assembly\u003cbr data-start=\"4065\" data-end=\"4068\"\u003ePressure gauge\u003c\/p\u003e\n\u003cp data-start=\"4086\" data-end=\"4123\"\u003e\u003cstrong data-start=\"4086\" data-end=\"4123\"\u003ePool filter sand is not included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"px9lge\" data-start=\"4125\" data-end=\"4147\"\u003eCustomer-Facing Q\u0026amp;A\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1ilq7gv\" data-start=\"4149\" data-end=\"4188\"\u003eDoes this filter include the valve?\u003c\/h3\u003e\n\u003cp data-start=\"4190\" data-end=\"4268\"\u003eYes. The Hayward W3S310T2 includes a \u003cstrong data-start=\"4227\" data-end=\"4267\"\u003e2\" top-mount VariFlo multiport valve\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1f7x2qc\" data-start=\"4270\" data-end=\"4313\"\u003eHow much sand does this filter require?\u003c\/h3\u003e\n\u003cp data-start=\"4315\" data-end=\"4380\"\u003eThis filter requires \u003cstrong data-start=\"4336\" data-end=\"4379\"\u003e500 lbs. of #20 silica pool filter sand\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-section-id=\"cf5urn\" data-start=\"4382\" data-end=\"4403\"\u003eIs sand included?\u003c\/h3\u003e\n\u003cp data-start=\"4405\" data-end=\"4450\"\u003eNo. Filter sand must be purchased separately.\u003c\/p\u003e\n\u003ch3 data-section-id=\"8bgy4g\" data-start=\"4452\" data-end=\"4478\"\u003eWhat is the flow rate?\u003c\/h3\u003e\n\u003cp data-start=\"4480\" data-end=\"4538\"\u003eThe Hayward W3S310T2 has a listed flow rate of \u003cstrong data-start=\"4527\" data-end=\"4537\"\u003e98 GPM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-section-id=\"3lq2qx\" data-start=\"4540\" data-end=\"4585\"\u003eIs this a top-mount or side-mount filter?\u003c\/h3\u003e\n\u003cp data-start=\"4587\" data-end=\"4623\"\u003eThis is a \u003cstrong data-start=\"4597\" data-end=\"4610\"\u003etop-mount\u003c\/strong\u003e sand filter.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1y8vsgj\" data-start=\"4625\" data-end=\"4681\"\u003eWhat is the difference between W3S310T2 and W3S310S?\u003c\/h3\u003e\n\u003cp data-start=\"4683\" data-end=\"4860\"\u003eThe \u003cstrong data-start=\"4687\" data-end=\"4699\"\u003eW3S310T2\u003c\/strong\u003e is a top-mount sand filter with a \u003cstrong data-start=\"4734\" data-end=\"4763\"\u003e2\" VariFlo valve included\u003c\/strong\u003e. The \u003cstrong data-start=\"4769\" data-end=\"4780\"\u003eW3S310S\u003c\/strong\u003e is a side-mount filter tank and typically requires a separate side-mount valve.\u003c\/p\u003e\n\u003ch3 data-section-id=\"ubqj99\" data-start=\"4862\" data-end=\"4919\"\u003eIs this filter suitable for larger residential pools?\u003c\/h3\u003e\n\u003cp data-start=\"4921\" data-end=\"5099\"\u003eYes. The large tank, 500 lb sand capacity, and 98 GPM flow rate make it suitable for larger residential pool systems when properly matched with the pump, plumbing, and pool size.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1gzvnk8\" data-start=\"5101\" data-end=\"5132\"\u003eHow do I clean this filter?\u003c\/h3\u003e\n\u003cp data-start=\"5134\" data-end=\"5291\"\u003eCleaning is done by backwashing through the multiport valve. Backwash when the pressure gauge rises approximately 8–10 PSI above the clean starting pressure.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ovnj7v\" data-start=\"5293\" data-end=\"5339\"\u003eDoes this filter include a pressure gauge?\u003c\/h3\u003e\n\u003cp data-start=\"5341\" data-end=\"5375\"\u003eYes. A pressure gauge is included.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52762732200246,"sku":"HPPW3S310T2 -H","price":1219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/image_bbea4ee5-3993-47b6-aa71-9630f601f783.png?v=1771908719","url":"https:\/\/poolsupplydepot.net\/products\/haywardproseries31sandfiltertopmountw3s310t2hppw3s310t2","provider":"Pool Supply Depot","version":"1.0","type":"link"}