{"product_id":"21-filter-tank-o-ring","title":"Sta-Rite 21 in. Filter Tank O-Ring, System 3","description":"\u003cp\u003eThe Sta-Rite 24850-0008Z is the tank o-ring for System 3 filters with the 21 in. tank. It is a Pentair part, and it fits the S7S50 and S8S70 sand filters among others in the System 3 family built on that tank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCheck your tank size first\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSystem 3 filters come in more than one tank size. The 25 in. tank, used on the S8D110, takes a different o-ring. If you are not sure which you have, measure across the tank at the seam.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eClean the groove, lightly lubricate the new ring with a silicone o-ring lubricant, seat it and bring the tank halves together evenly. A drip at the seam after reassembly usually means the ring was pinched or the groove was not clean.\u003c\/p\u003e","brand":"Sta-rite Industries, Inc.","offers":[{"title":"Default Title","offer_id":48624998514900,"sku":"STA-051-2809","price":70.07,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_a545f93e-f2b5-4f27-a56d-43c1e06ff4ec.jpg?v=1788661784","url":"https:\/\/www.activepoolsupply.com\/products\/21-filter-tank-o-ring","provider":"Active Pool Supply","version":"1.0","type":"link"}