{"product_id":"haywardpoolproductsinc_sx210das","title":"Hayward Folding Lateral Assembly 21\" for ProSeries Top-Mount Sand Filters | SX210DAS","description":"\u003cp\u003eThe Hayward Folding Lateral Assembly 21\" (SX210DAS) is the OEM replacement lateral assembly for Hayward ProSeries top-mount sand filters, restoring proper water distribution through the filter bed.\u003c\/p\u003e\n\n\u003cp\u003eLaterals are the slotted distribution arms at the base of the filter tank that allow filtered water to pass through while retaining filter sand. Replacing a cracked or broken lateral eliminates sand bypass — the primary cause of sand passing into pool return lines — and returns the filter to full operating efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0; border: 1px solid #ccc;\"\u003e\n  \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eHayward Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eSX210DAS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eFolding Lateral Assembly, 21\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e610377446990\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFits Into\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0; border: 1px solid #ccc;\"\u003e\n  \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eEquipment Line\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eModel \/ Part Number\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #ffffff;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eHayward\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eProSeries 18\" Sand Filter – Top Mount (VariFlo XL Control Valve Included)\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eW3S180T\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e—\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eHayward\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eProSeries 21\" Sand Filter – Top Mount (VariFlo XL Control Valve Included)\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eW3S210T\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e—\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #ffffff;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eHayward\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eProSeries 22\" Sand Filter – Top Mount (1½\" VariFlo Valve Included)\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eW3S220T\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e—\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eHayward\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eProSeries 24\" Sand Filter – Top Mount (1½\" VariFlo Valve Included)\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eW3S244T\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e—\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #ffffff;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eHayward\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eProSeries 24\" Sand Filter – Top Mount (2\" VariFlo Valve Included)\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eW3S244T2\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e—\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eHayward\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eProSeries 27\" Sand Filter – Top Mount (1½\" VariFlo Valve Included)\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eW3S270T\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e—\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eCompatibility is based on Hayward parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment's manual or on the original part itself before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003ePoolaroo Pro Tip\u003c\/h3\u003e\n\u003cp\u003eWhen you open the filter tank for lateral service, inspect the full lateral manifold (hub and all arms) for hairline cracks — they are easy to miss but will allow sand to bypass into the pool. If multiple laterals show stress cracking, replacing the complete lateral assembly rather than individual arms saves a second teardown. Always backwash and re-bed with fresh filter sand after any lateral replacement to remove fine debris dislodged during the repair.\u003c\/p\u003e\n\n\u003c!-- wft:processed:manual:2026-06-18 --\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":54308416422163,"sku":"SX210DAS","price":131.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0920\/0687\/5411\/files\/hayward-folding-lateral-assembly-21-for-proseries-top-mount-sand-filters-sx210das-1.webp?v=1790581979","url":"https:\/\/poolaroo.com\/products\/haywardpoolproductsinc_sx210das","provider":"Poolaroo","version":"1.0","type":"link"}