{"product_id":"proseries-31-inch-w-2-valve-s310t2-hayward-sand-filter","title":"Hayward ProSeries™ 31\" Sand Filter w\/ 2\" Valve | S310T2","description":"\u003cdiv\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eHayward Pro-Series Top Mount Sand Filters | CORROSION-RESISTANT CONSTRUCTION\u003cbr\u003eFOR LONG-LASTING PERFORMANCE\u003c\/strong\u003e\u003ca rel=\"noopener\" href=\"https:\/\/ca.hayward.com\/media\/akeneo_connector\/asset_files\/p\/r\/pro_series_top_mount_sand_filters_LITPROTM17_fffa.pdf\" class=\"a-btn a-btn--text brochure-link\" target=\"_blank\"\u003e\u003cspan class=\"a-btn--text-inner\"\u003e\u003cspan class=\"a-btn__label\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"570\" data-end=\"1012\"\u003eThe \u003cstrong data-start=\"574\" data-end=\"602\"\u003eHayward ProSeries S310T2\u003c\/strong\u003e is a \u003cstrong data-start=\"608\" data-end=\"674\"\u003e31-inch top-mount sand pool filter with 2-inch multiport valve\u003c\/strong\u003e, engineered for \u003cstrong data-start=\"691\" data-end=\"750\"\u003elarge and high-flow residential inground swimming pools\u003c\/strong\u003e that demand reliable, low-maintenance filtration. Designed by Hayward — a trusted name in pool equipment — this model combines robust construction with high-capacity performance suitable for larger pump pairings and systems with significant circulation demands.\u003c\/p\u003e\n\u003cp data-start=\"1014\" data-end=\"1450\"\u003eFeaturing a \u003cstrong data-start=\"1026\" data-end=\"1084\"\u003e2-inch multiport valve and optimized internal laterals\u003c\/strong\u003e, the S310T2 supports strong hydraulic flow while minimizing pressure drop across the sand bed. This allows consistent filtration performance and helps maintain steady water clarity in demanding installations. The reinforced, corrosion-resistant polymer tank is built for long service life in outdoor environments, resisting weathering and long periods of operation.\u003c\/p\u003e\n\u003cp data-start=\"1452\" data-end=\"1709\"\u003eIdeal for larger pool systems, the S310T2 delivers effective sand filtration while offering extended intervals between backwashing. Its larger diameter and increased sand media volume help trap and capture debris efficiently without compromising water flow.\u003c\/p\u003e\n\u003chr data-start=\"1711\" data-end=\"1714\"\u003e\n\u003ch2 data-start=\"1716\" data-end=\"1737\"\u003eKey Specifications\u003c\/h2\u003e\n\u003cul data-start=\"1739\" data-end=\"2222\"\u003e\n\u003cli data-start=\"1739\" data-end=\"1764\"\u003e\n\u003cp data-start=\"1741\" data-end=\"1764\"\u003e\u003cstrong data-start=\"1741\" data-end=\"1757\"\u003eFilter Type:\u003c\/strong\u003e Sand\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1765\" data-end=\"1795\"\u003e\n\u003cp data-start=\"1767\" data-end=\"1795\"\u003e\u003cstrong data-start=\"1767\" data-end=\"1783\"\u003eMount Style:\u003c\/strong\u003e Top Mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1796\" data-end=\"1830\"\u003e\n\u003cp data-start=\"1798\" data-end=\"1830\"\u003e\u003cstrong data-start=\"1798\" data-end=\"1818\"\u003eFilter Diameter:\u003c\/strong\u003e 31 inches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1831\" data-end=\"1877\"\u003e\n\u003cp data-start=\"1833\" data-end=\"1877\"\u003e\u003cstrong data-start=\"1833\" data-end=\"1848\"\u003eValve Size:\u003c\/strong\u003e 2-inch top-mount multiport\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1878\" data-end=\"1928\"\u003e\n\u003cp data-start=\"1880\" data-end=\"1928\"\u003e\u003cstrong data-start=\"1880\" data-end=\"1914\"\u003eMaximum Recommended Flow Rate:\u003c\/strong\u003e ~85–90 GPM*\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1929\" data-end=\"2008\"\u003e\n\u003cp data-start=\"1931\" data-end=\"2008\"\u003e\u003cstrong data-start=\"1931\" data-end=\"1949\"\u003eSand Capacity:\u003c\/strong\u003e Approx. \u003cstrong data-start=\"1958\" data-end=\"1973\"\u003e500-550 lbs\u003c\/strong\u003e (estimate — confirm with manual)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2009\" data-end=\"2036\"\u003e\n\u003cp data-start=\"2011\" data-end=\"2036\"\u003e\u003cstrong data-start=\"2011\" data-end=\"2025\"\u003ePool Type:\u003c\/strong\u003e Inground\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2037\" data-end=\"2078\"\u003e\n\u003cp data-start=\"2039\" data-end=\"2078\"\u003e\u003cstrong data-start=\"2039\" data-end=\"2057\"\u003eTank Material:\u003c\/strong\u003e Reinforced polymer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2079\" data-end=\"2130\"\u003e\n\u003cp data-start=\"2081\" data-end=\"2130\"\u003e\u003cstrong data-start=\"2081\" data-end=\"2102\"\u003eFiltration Media:\u003c\/strong\u003e Standard pool filter sand\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2131\" data-end=\"2182\"\u003e\n\u003cp data-start=\"2133\" data-end=\"2182\"\u003e\u003cstrong data-start=\"2133\" data-end=\"2149\"\u003eApplication:\u003c\/strong\u003e Residential, high-flow systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2183\" data-end=\"2222\"\u003e\n\u003cp data-start=\"2185\" data-end=\"2222\"\u003e\u003cstrong data-start=\"2185\" data-end=\"2201\"\u003eMaintenance:\u003c\/strong\u003e Backwash and rinse\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2224\" data-end=\"2347\"\u003e*Actual flow depends on pump pairing, plumbing size, and system hydraulics—always match pump GPM to filter recommendation.\u003c\/p\u003e\n\u003ch2 data-start=\"2469\" data-end=\"2495\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"2497\" data-end=\"2964\"\u003e\n\u003cli data-start=\"2497\" data-end=\"2558\"\u003e\n\u003cp data-start=\"2499\" data-end=\"2558\"\u003e\u003cstrong data-start=\"2499\" data-end=\"2523\"\u003e31\" sand filter tank\u003c\/strong\u003e for extended filtration capacity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2559\" data-end=\"2618\"\u003e\n\u003cp data-start=\"2561\" data-end=\"2618\"\u003e\u003cstrong data-start=\"2561\" data-end=\"2587\"\u003e2-inch multiport valve\u003c\/strong\u003e for higher flow applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2619\" data-end=\"2678\"\u003e\n\u003cp data-start=\"2621\" data-end=\"2678\"\u003eDesigned for \u003cstrong data-start=\"2634\" data-end=\"2648\"\u003e~85–90 GPM\u003c\/strong\u003e with properly sized systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2679\" data-end=\"2735\"\u003e\n\u003cp data-start=\"2681\" data-end=\"2735\"\u003eReinforced, corrosion-resistant polymer construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2736\" data-end=\"2803\"\u003e\n\u003cp data-start=\"2738\" data-end=\"2803\"\u003eTop-mount multiport control for filter\/backwash\/rinse positions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2804\" data-end=\"2852\"\u003e\n\u003cp data-start=\"2806\" data-end=\"2852\"\u003eLarge sand media volume captures more debris\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2853\" data-end=\"2919\"\u003e\n\u003cp data-start=\"2855\" data-end=\"2919\"\u003eSupports larger residential pool systems and high-output pumps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2920\" data-end=\"2964\"\u003e\n\u003cp data-start=\"2922\" data-end=\"2964\"\u003eTrusted Hayward quality and serviceability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2966\" data-end=\"2969\"\u003e\n\u003ch2 data-start=\"2971\" data-end=\"3007\"\u003eFrequently Asked Questions (FAQs)\u003c\/h2\u003e\n\u003ch3 data-start=\"3009\" data-end=\"3061\"\u003eWhat pool sizes is the S310T2 best suited for?\u003c\/h3\u003e\n\u003cp data-start=\"3062\" data-end=\"3201\"\u003eThe S310T2 is ideal for \u003cstrong data-start=\"3086\" data-end=\"3122\"\u003elarge inground residential pools\u003c\/strong\u003e and high-flow systems, particularly where higher circulation rates are needed.\u003c\/p\u003e\n\u003ch3 data-start=\"3203\" data-end=\"3259\"\u003eWhat is the recommended flow rate for this filter?\u003c\/h3\u003e\n\u003cp data-start=\"3260\" data-end=\"3390\"\u003eThis filter performs well with flows in the range of \u003cstrong data-start=\"3313\" data-end=\"3326\"\u003e85–90 GPM\u003c\/strong\u003e when properly matched with the pump and plumbing configuration.\u003c\/p\u003e\n\u003ch3 data-start=\"3392\" data-end=\"3434\"\u003eHow much sand does this filter hold?\u003c\/h3\u003e\n\u003cp data-start=\"3435\" data-end=\"3572\"\u003eThe S310T2 typically holds \u003cstrong data-start=\"3462\" data-end=\"3491\"\u003eapproximately 500–550 lbs\u003c\/strong\u003e of pool filter sand. Always consult the official manual for exact media weights.\u003c\/p\u003e\n\u003ch3 data-start=\"3574\" data-end=\"3617\"\u003eWhat valve size does this filter use?\u003c\/h3\u003e\n\u003cp data-start=\"3618\" data-end=\"3719\"\u003eIt includes a \u003cstrong data-start=\"3632\" data-end=\"3668\"\u003e2-inch top-mount multiport valve\u003c\/strong\u003e, designed for higher flow and reduced restriction.\u003c\/p\u003e\n\u003ch3 data-start=\"3721\" data-end=\"3764\"\u003eDoes this filter require backwashing?\u003c\/h3\u003e\n\u003cp data-start=\"3765\" data-end=\"3885\"\u003eYes — as a sand filter, it requires \u003cstrong data-start=\"3801\" data-end=\"3825\"\u003eperiodic backwashing\u003c\/strong\u003e to remove trapped debris and restore filtration efficiency.\u003c\/p\u003e\n\u003ch3 data-start=\"3887\" data-end=\"3934\"\u003eIs professional installation recommended?\u003c\/h3\u003e\n\u003cp data-start=\"3935\" data-end=\"4057\"\u003eYes. Professional installation ensures correct sand loading, proper plumbing alignment, and optimal hydraulic performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cul class=\"txtMargin\"\u003e\u003c\/ul\u003e\n\u003c\/ul\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":42855069515934,"sku":"S310T2","price":1679.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0071\/8559\/6477\/products\/BoosterPump2_18537c48-f1c6-43f2-bb51-46bf79d36ce8.jpg?v=1740173982","url":"https:\/\/kjleisure.com\/products\/proseries-31-inch-w-2-valve-s310t2-hayward-sand-filter","provider":"K\u0026J Leisure","version":"1.0","type":"link"}