{"product_id":"hayward-proseries-sand-filter-inground-22-in-top-mount-1-5-inch-valve","title":"Hayward ProSeries Sand Filter Inground 22 In Top Mount 1.5 Inch Valve","description":"\u003c!-- more --\u003e\n\u003cstyle\u003e\n  .product-description h2 {\n    font-size: 1.35rem;\n    font-weight: 700;\n    color: #003f72;\n    border-left: 4px solid #0077c8;\n    padding-left: 0.75rem;\n    margin-top: 2.25rem;\n    margin-bottom: 0.75rem;\n  }\n\n  .product-description h3 {\n    font-size: 1.1rem;\n    font-weight: 600;\n    color: #005a9e;\n    margin-top: 1.75rem;\n    margin-bottom: 0.5rem;\n  }\n\n  .product-description p { margin-bottom: 1rem; }\n\n  .product-description ul {\n    padding-left: 1.4rem;\n    margin-bottom: 1.25rem;\n  }\n\n  .product-description ul li { margin-bottom: 0.5rem; }\n\n  .product-description .spec-list {\n    border: 1px solid #d6e4f0;\n    border-radius: 4px;\n    overflow: hidden;\n    margin: 1.25rem 0;\n  }\n\n  .product-description .spec-row {\n    display: flex;\n    border-bottom: 1px solid #d6e4f0;\n  }\n\n  .product-description .spec-row:last-child { border-bottom: none; }\n  .product-description .spec-row:nth-child(even) { background-color: #f0f6fb; }\n\n  .product-description .spec-key {\n    flex: 0 0 44%;\n    padding: 0.5rem 0.85rem;\n    font-weight: 600;\n    color: #003f72;\n    font-size: 0.92rem;\n  }\n\n  .product-description .spec-val {\n    flex: 1;\n    padding: 0.5rem 0.85rem;\n    font-size: 0.92rem;\n    color: #1a2733;\n  }\n\n  .product-description .mc-table-wrapper {\n    overflow-x: auto;\n    margin: 1.25rem 0;\n  }\n\n  .product-description .mc-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 0.92rem;\n  }\n\n  .product-description .mc-table th {\n    background-color: #00569c !important;\n    color: #ffffff !important;\n    text-align: left;\n    padding: 0.6rem 0.85rem;\n    font-weight: 600;\n  }\n\n  .product-description .mc-table td {\n    padding: 0.55rem 0.85rem;\n    border-bottom: 1px solid #d6e4f0;\n    color: #3e5468;\n  }\n\n  .product-description .mc-table tr:nth-child(even) td { background-color: #f0f6fb; }\n\n  .product-description .mc-table td.td-cur {\n    font-weight: 600;\n    color: #003f72;\n  }\n\n  .product-description details {\n    border: 1px solid #d6e4f0;\n    border-radius: 4px;\n    margin-bottom: 0.75rem;\n  }\n\n  .product-description summary {\n    font-weight: 600;\n    color: #003f72;\n    padding: 0.75rem 1rem;\n    cursor: pointer;\n    list-style: none;\n    display: flex;\n    justify-content: space-between;\n    align-items: center;\n    font-size: 0.97rem;\n  }\n\n  .product-description summary::-webkit-details-marker { display: none; }\n\n  .product-description summary::after {\n    content: \"+\";\n    font-size: 1.2rem;\n    color: #0077c8;\n    flex-shrink: 0;\n  }\n\n  .product-description details[open] summary::after { content: \"\\2212\"; }\n\n  .product-description details \u003e p {\n    padding: 0 1rem 0.85rem;\n    margin: 0;\n    font-size: 0.95rem;\n    color: #1a2733;\n    line-height: 1.75;\n  }\n\n  .product-description .doc-links {\n    background-color: #f0f6fb;\n    border: 1px solid #c2d9ed;\n    border-radius: 6px;\n    padding: 1rem 1.25rem;\n    margin-top: 1rem;\n  }\n\n  .product-description .doc-links ul {\n    list-style: none;\n    padding-left: 0;\n    margin: 0;\n  }\n\n  .product-description .doc-links ul li { margin-bottom: 0.5rem; }\n\n  .product-description .doc-links ul li::before {\n    content: \"PDF \\2014 \";\n    font-weight: 700;\n    color: #0077c8;\n  }\n\n  .product-description a { color: #0077c8; text-decoration: underline; }\n  .product-description a:hover { color: #003f72; }\n\n  .product-description .intro-note {\n    background-color: #e8f3fb;\n    border-left: 3px solid #0077c8;\n    padding: 0.85rem 1.1rem;\n    margin-bottom: 1.5rem;\n    font-style: italic;\n    font-size: 0.97rem;\n    border-radius: 0 4px 4px 0;\n  }\n\n  .product-description .compat-note {\n    font-size: 0.9rem;\n    color: #4a6070;\n    margin-top: 0.25rem;\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003cdiv class=\"intro-note\"\u003eThe Hayward ProSeries W3S220T is a 22-inch top-mount sand filter for in-ground pools, spas, and water features. Includes the 7-position 1.5\" Vari-Flo valve, pressure gauge, laterals, and base. Sand not included.\u003c\/div\u003e\n\u003ch2\u003eHayward ProSeries W3S220T 22-Inch Top-Mount Sand Filter for In-Ground Pools\u003c\/h2\u003e\n\u003cp\u003eThe W3S220T occupies a specific niche in the ProSeries lineup: it sits between the 21-inch W3S210T and the 24-inch W3S244T, offering 2.64 sq ft of filtration area at 52 GPM. It is well-suited to in-ground pools, spas, and water features where the 21-inch model's 44 GPM ceiling is too low for the installed pump but the jump to a 24-inch filter is more capacity than the application requires. The 7-position 1.5\" Vari-Flo valve ships installed on the tank, and the flange clamp allows full 360-degree rotation for clean plumbing alignment.\u003c\/p\u003e\n\u003ch2\u003eHayward W3S220T ProSeries 22-Inch Sand Filter Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e22-inch tank with 2.64 sq ft of filtration area\u003c\/strong\u003e - Bridges the gap between the 21-inch and 24-inch ProSeries models. Holds 250 lbs of sand and handles a 52 GPM flow ceiling, making it a natural fit for mid-range in-ground pool pump outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-position 1.5\" Vari-Flo top-mount valve\u003c\/strong\u003e - Filter, Backwash, Rinse, Waste, Recirculate, Closed, and Winter positions. Integral sight glass confirms backwash completion. Compatible with SP0714T and SP071620T valve replacements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e - Rated for in-ground pools, spas, and water features including fish ponds and fountains, not just residential swimming pools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegral top diffuser\u003c\/strong\u003e - Cascading distribution of incoming water across the sand surface prevents channeling and maximizes use of the full 2.64 sq ft filtration area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e360-degree self-cleaning laterals\u003c\/strong\u003e - Full-flow slotted design provides energy-efficient filtration and evenly balanced backwashing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-proof reinforced thermoplastic tank\u003c\/strong\u003e - Durable, colorfast construction built for permanent outdoor installation and all-weather operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge pressure sand\/water drain\u003c\/strong\u003e - Full-size base drain for fast winterizing or sand changes without tank repositioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHayward W3S220T ProSeries 22-Inch Sand Filter Specifications\u003c\/h2\u003e\n\u003cdiv class=\"spec-list\"\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eModel \/ SKU\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003eW3S220T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eFilter Type\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003eTop-Mount Sand Filter\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eTank Diameter\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003e22 inches\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eFiltration Area\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003e2.64 sq ft\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eSand Capacity\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003e250 lbs (#20 silica sand, not included)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eFiltration Range\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003e20-40 microns\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eDesign Flow Rate\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003e52 GPM\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eMaximum Working Pressure\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003e50 PSI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eValve\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003e7-position 1.5\" Vari-Flo top-mount multiport valve (included)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eValve Port Size\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003e1.5\" NPT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eCompatible Replacement Valves\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003eSP0714T, SP071620T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eTank Construction\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003eCorrosion-proof reinforced thermoplastic\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eApplication\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003eIn-ground pools, spas, water features\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eShips With\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003eTank, 7-position 1.5\" Vari-Flo valve, pressure gauge, laterals, base\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eWarranty\u003c\/span\u003e\u003cspan class=\"spec-val\"\u003e1 year warranty\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"compat-note\"\u003eSand not included. Use #20 grade silica pool filter sand only. Pool coverage depends on pump output at actual system head and turnover rate targets.\u003c\/p\u003e\n\u003ch2\u003eHayward ProSeries In-Ground Sand Filter Lineup: W3S220T in Context\u003c\/h2\u003e\n\u003cp\u003eThe W3S220T sits between the 21-inch and 24-inch models. There is no 22-inch side-mount equivalent in this lineup.\u003c\/p\u003e\n\u003cdiv class=\"mc-table-wrapper\"\u003e\n\u003ctable class=\"mc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTank\u003c\/th\u003e\n\u003cth\u003eMount\u003c\/th\u003e\n\u003cth\u003eSand\u003c\/th\u003e\n\u003cth\u003eFlow Rate\u003c\/th\u003e\n\u003cth\u003eValve\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/nonstopswim.com\/products\/hayward-proseries-sand-filter-inground-21-in-top-mount-1-5-inch-valve\"\u003eW3S210T\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e21 in.\u003c\/td\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003ctd\u003e200 lbs\u003c\/td\u003e\n\u003ctd\u003e44 GPM\u003c\/td\u003e\n\u003ctd\u003e1.5\" included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/nonstopswim.com\/products\/hayward-proseries-sand-filter-inground-21-in-side-mount-1-5-inch-valve\"\u003eW3S210S\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e21 in.\u003c\/td\u003e\n\u003ctd\u003eSide\u003c\/td\u003e\n\u003ctd\u003e200 lbs\u003c\/td\u003e\n\u003ctd\u003e44 GPM\u003c\/td\u003e\n\u003ctd\u003e1.5\" included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-cur\"\u003eW3S220T (this model)\u003c\/td\u003e\n\u003ctd class=\"td-cur\"\u003e22 in.\u003c\/td\u003e\n\u003ctd class=\"td-cur\"\u003eTop\u003c\/td\u003e\n\u003ctd class=\"td-cur\"\u003e250 lbs\u003c\/td\u003e\n\u003ctd class=\"td-cur\"\u003e52 GPM\u003c\/td\u003e\n\u003ctd class=\"td-cur\"\u003e1.5\" included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/nonstopswim.com\/products\/hayward-proseries-sand-filter-inground-24-in-top-mount-1-5-inch-valve\"\u003eW3S244T\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e24 in.\u003c\/td\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003ctd\u003e300 lbs\u003c\/td\u003e\n\u003ctd\u003e62 GPM\u003c\/td\u003e\n\u003ctd\u003e1.5\" included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/nonstopswim.com\/products\/hayward-proseries-sand-filter-inground-24-in-top-mount-2-inch-valve\"\u003eW3S244T2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e24 in.\u003c\/td\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003ctd\u003e300 lbs\u003c\/td\u003e\n\u003ctd\u003e62 GPM\u003c\/td\u003e\n\u003ctd\u003e2\" included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/nonstopswim.com\/products\/hayward-proseries-sand-filter-inground-27-in-top-mount-1-5-inch-valve\"\u003eW3S270T\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e27 in.\u003c\/td\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003ctd\u003e350 lbs\u003c\/td\u003e\n\u003ctd\u003e75 GPM\u003c\/td\u003e\n\u003ctd\u003e1.5\" included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/nonstopswim.com\/products\/hayward-proseries-sand-filter-inground-27-in-top-mount-2-inch-valve\"\u003eW3S270T2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e27 in.\u003c\/td\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003ctd\u003e350 lbs\u003c\/td\u003e\n\u003ctd\u003e75 GPM\u003c\/td\u003e\n\u003ctd\u003e2\" included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/nonstopswim.com\/products\/hayward-proseries-sand-filter-inground-30-in-top-mount-2-inch-valve\"\u003eW3S310T2\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e30 in.\u003c\/td\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003ctd\u003e500 lbs\u003c\/td\u003e\n\u003ctd\u003e98 GPM\u003c\/td\u003e\n\u003ctd\u003e2\" included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/nonstopswim.com\/products\/hayward-proseries-sand-filter-inground-30-in-side-mount\"\u003eW3S310S\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e30 in.\u003c\/td\u003e\n\u003ctd\u003eSide\u003c\/td\u003e\n\u003ctd\u003e500 lbs\u003c\/td\u003e\n\u003ctd\u003e98 GPM\u003c\/td\u003e\n\u003ctd\u003eNot included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"compat-note\"\u003eFlow rates and filtration areas per Hayward published specifications. The W3S310S does not include a valve; a compatible backwash valve must be purchased separately.\u003c\/p\u003e\n\u003ch2\u003eMaintaining the Hayward W3S220T ProSeries 22-Inch Sand Filter\u003c\/h2\u003e\n\u003cp\u003eBackwash when pressure rises 8 to 10 PSI above the clean baseline. Run Backwash until the sight glass clears, Rinse for 15 to 30 seconds, then return to Filter. Replace sand every 3 to 5 years under standard residential use.\u003c\/p\u003e\n\u003ch3\u003eFirst Startup: Loading Sand\u003c\/h3\u003e\n\u003cp\u003eFill the tank halfway with water before adding sand to protect the laterals. Add 250 lbs of #20 silica sand in gradual, even portions. Run a Rinse cycle before switching to Filter to clear fine dust. Record the post-Rinse pressure as the clean baseline for all future backwash decisions.\u003c\/p\u003e\n\u003ch3\u003eWinterizing the W3S220T\u003c\/h3\u003e\n\u003cp\u003eBackwash before shutdown, then drain the tank fully through the base drain and leave the plug removed. Set the valve to Winter to drain the valve body. In hard-freeze climates, blow out the valve with compressed air before storage.\u003c\/p\u003e\n\u003ch2\u003eHayward W3S220T ProSeries 22-Inch Sand Filter Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy choose the W3S220T over the W3S210T or W3S244T?\u003c\/summary\u003e\n\u003cp\u003eThe W3S220T is the right choice when your pump's output at operating head exceeds 44 GPM (ruling out the W3S210T) but you don't need the full 62 GPM capacity or 300 lb sand charge of the \u003ca href=\"https:\/\/nonstopswim.com\/products\/hayward-proseries-sand-filter-inground-24-in-top-mount-1-5-inch-valve\"\u003eW3S244T\u003c\/a\u003e. It's also the only model in this lineup rated for water features like fish ponds and fountains, making it a natural fit for mixed-application installations.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the W3S220T come with sand?\u003c\/summary\u003e\n\u003cp\u003eNo. 250 lbs of #20 silica pool filter sand must be purchased separately. Fill the tank halfway with water before adding sand to protect the lateral assembly at the base.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs there a side-mount version of the W3S220T?\u003c\/summary\u003e\n\u003cp\u003eNo. The W3S220T is only available as a top-mount configuration. If you require a side-mount valve at the 21-inch tank size, the \u003ca href=\"https:\/\/nonstopswim.com\/products\/hayward-proseries-sand-filter-inground-21-in-side-mount-1-5-inch-valve\"\u003eW3S210S\u003c\/a\u003e is the closest option.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat replacement valve is compatible with the W3S220T?\u003c\/summary\u003e\n\u003cp\u003eThe W3S220T ships with a 1.5\" Vari-Flo top-mount valve. Compatible replacement valves are the SP0714T and SP071620T. Refer to the parts diagram for full part numbers.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eHayward W3S220T ProSeries Sand Filter Documentation\u003c\/h2\u003e\n\u003cdiv class=\"doc-links\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"\/docs\/hayward-proseries-sand-filter-owners-manual.pdf\" target=\"_blank\"\u003e Hayward ProSeries Sand Filter Owner's Manual (Installation and Operating Instructions) \u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"\/docs\/hayward-proseries-w3s220t-parts-diagram.pdf\" target=\"_blank\"\u003e Hayward ProSeries W3S220T Sand Filter Parts Diagram and Replacement Part Numbers \u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":48807838056665,"sku":"W3S220T","price":669.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/3592\/7513\/files\/Hayward-ProSeries-21-Pool-Filter.jpg?v=1776883642","url":"https:\/\/nonstopswim.com\/products\/hayward-proseries-sand-filter-inground-22-in-top-mount-1-5-inch-valve","provider":"Nonstop Swim","version":"1.0","type":"link"}