{"product_id":"o-87-aladdin-universal-18-filter-tank-o-ring","title":"O-87 | Aladdin Universal 18\" Filter Tank O-Ring","description":"\u003cp data-start=\"53\" data-end=\"602\"\u003eThe Aladdin O-87 Universal 18-inch Filter Tank O-Ring is engineered to restore a dependable, watertight seal on a wide range of 18\" single- and two-piece filter tanks. Molded from durable, chemical-resistant elastomer, it maintains flexibility under pressure, preventing leaks around the tank’s mid-clamp or lid band. Its universal fit design matches the dimensions used on many sand and cartridge filters, allowing the O-ring to seat cleanly in the tank groove for consistent sealing, stable operating pressure, and reliable filtration performance.\u003c\/p\u003e\n\u003ch3 data-start=\"604\" data-end=\"618\"\u003eHighlights\u003c\/h3\u003e\n\u003cul data-start=\"619\" data-end=\"1281\"\u003e\n\u003cli data-start=\"619\" data-end=\"753\"\u003e\n\u003cp data-start=\"621\" data-end=\"753\"\u003e\u003cstrong data-start=\"621\" data-end=\"643\"\u003eUniversal 18\" Fit:\u003c\/strong\u003e Sized to match common 18-inch filter tank sealing grooves across multiple sand and cartridge filter models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"754\" data-end=\"888\"\u003e\n\u003cp data-start=\"756\" data-end=\"888\"\u003e\u003cstrong data-start=\"756\" data-end=\"783\"\u003eLeak-Tight Performance:\u003c\/strong\u003e Forms a reliable barrier that prevents water seepage and pressure loss at the tank clamp or lid joint.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"889\" data-end=\"1019\"\u003e\n\u003cp data-start=\"891\" data-end=\"1019\"\u003e\u003cstrong data-start=\"891\" data-end=\"923\"\u003eChemical-Resistant Material:\u003c\/strong\u003e Constructed from long-lasting elastomer that withstands chlorine, heat, and outdoor exposure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1020\" data-end=\"1153\"\u003e\n\u003cp data-start=\"1022\" data-end=\"1153\"\u003e\u003cstrong data-start=\"1022\" data-end=\"1047\"\u003eSecure, Even Seating:\u003c\/strong\u003e Precision-molded to sit smoothly in the tank channel for consistent sealing during routine maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1154\" data-end=\"1281\"\u003e\n\u003cp data-start=\"1156\" data-end=\"1281\"\u003e\u003cstrong data-start=\"1156\" data-end=\"1187\"\u003eSupports Filter Efficiency:\u003c\/strong\u003e Helps maintain stable internal pressure for optimum sand or cartridge filtration performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"263\" data-end=\"282\"\u003eAdditional Info\u003c\/h3\u003e\n\u003cp data-start=\"283\" data-end=\"682\"\u003eThe Aladdin O-87 Universal 18-inch Filter Tank O-Ring provides a replacement sealing surface for many 18\" sand and cartridge filters. This FAQ helps walk-in customers at Discount Pool Mart verify compatibility, understand installation steps, and troubleshoot pressure-loss issues before picking up the O-87 in store. These details support a stable, watertight seal around the tank clamp or lid band.\u003c\/p\u003e\n\u003ch2 data-start=\"684\" data-end=\"712\"\u003eCompatibility and Fitment\u003c\/h2\u003e\n\u003cp data-start=\"713\" data-end=\"855\"\u003eCustomers often visit Discount Pool Mart unsure which tank O-ring their filter requires. This section clarifies how to confirm the O-87 match.\u003c\/p\u003e\n\u003ch4 data-start=\"857\" data-end=\"916\"\u003eHow do I know if the O-87 fits my 18-inch filter tank?\u003c\/h4\u003e\n\u003cp data-start=\"917\" data-end=\"1152\"\u003eCheck your filter’s label for an 18\" tank diameter or bring a photo of your filter clamp area. The O-87 is designed for common 18-inch tank grooves used in both sand and cartridge filters. Staff can verify compatibility when you visit.\u003c\/p\u003e\n\u003ch4 data-start=\"1154\" data-end=\"1229\"\u003eDoes the O-87 work on both single-piece and split-tank filter designs?\u003c\/h4\u003e\n\u003cp data-start=\"1230\" data-end=\"1407\"\u003eYes, the O-87 fits sealing grooves found on many one-piece lid systems and mid-band clamp assemblies. Its universal sizing helps it seat correctly across a wide range of models.\u003c\/p\u003e\n\u003ch4 data-start=\"1409\" data-end=\"1473\"\u003eCan a worn tank O-ring cause low pressure or water seepage?\u003c\/h4\u003e\n\u003cp data-start=\"1474\" data-end=\"1672\"\u003eYes, cracked or flattened tank O-rings can allow leaks around the clamp area, reducing internal pressure and lowering filtration efficiency. Replacing it with the O-87 usually resolves these issues.\u003c\/p\u003e\n\u003ch2 data-start=\"1674\" data-end=\"1711\"\u003eInstallation and Troubleshooting\u003c\/h2\u003e\n\u003cp data-start=\"1712\" data-end=\"1803\"\u003eWalk-in customers commonly ask how to seat the O-ring and how to identify sealing problems.\u003c\/p\u003e\n\u003ch4 data-start=\"1805\" data-end=\"1864\"\u003eHow do I install the O-87 correctly on my filter tank?\u003c\/h4\u003e\n\u003cp data-start=\"1865\" data-end=\"2062\"\u003eRemove the clamp, clean the groove thoroughly, lubricate lightly, and position the O-ring evenly. Make sure it sits flat before re-securing the clamp. Even tightening helps maintain a uniform seal.\u003c\/p\u003e\n\u003ch4 data-start=\"2064\" data-end=\"2120\"\u003eWhat signs indicate the old tank O-ring has failed?\u003c\/h4\u003e\n\u003cp data-start=\"2121\" data-end=\"2293\"\u003eMoisture around the clamp, hissing noise under pressure, or unstable filter PSI often indicate a compromised seal. Replacing the O-ring typically restores normal operation.\u003c\/p\u003e\n\u003ch4 data-start=\"2295\" data-end=\"2353\"\u003eHow can I confirm the new O-ring is sealing properly?\u003c\/h4\u003e\n\u003cp data-start=\"2354\" data-end=\"2497\"\u003eThe filter should hold steady pressure without drips or spray at the band area. A quiet, consistent pressure reading indicates correct sealing.\u003c\/p\u003e\n\u003ch2 data-start=\"2499\" data-end=\"2538\"\u003eIn-Store Pickup and Local Guidance\u003c\/h2\u003e\n\u003cp data-start=\"2539\" data-end=\"2671\"\u003eDiscount Pool Mart customers often complete multiple filter-maintenance tasks at once. This section prepares you for a smooth visit.\u003c\/p\u003e\n\u003ch4 data-start=\"2673\" data-end=\"2729\"\u003eIs the O-87 normally stocked at Discount Pool Mart?\u003c\/h4\u003e\n\u003cp data-start=\"2730\" data-end=\"2840\"\u003eYes, due to the prevalence of 18\" filters in residential systems. Calling ahead ensures it's ready for pickup.\u003c\/p\u003e\n\u003ch4 data-start=\"2842\" data-end=\"2906\"\u003eShould I bring my old O-ring or filter photos to the store?\u003c\/h4\u003e\n\u003cp data-start=\"2907\" data-end=\"3016\"\u003eYes, images of the tank clamp or the old gasket help staff verify whether the O-87 is correct for your model.\u003c\/p\u003e\n\u003ch4 data-start=\"3018\" data-end=\"3084\"\u003eDo customers often buy other maintenance parts with the O-87?\u003c\/h4\u003e\n\u003cp data-start=\"3085\" data-end=\"3214\"\u003eYes, many walk-in customers purchase filter sand, cartridges, or clamp hardware during the same visit for a full service session.\u003c\/p\u003e","brand":"Aladdin","offers":[{"title":"Default Title","offer_id":51010510225696,"sku":"O-87","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/3326\/9536\/files\/O-87AladdinUniversal18FilterTankO-RingDiscountPoolMart_3.jpg?v=1766078219","url":"https:\/\/discountpoolmart.com\/products\/o-87-aladdin-universal-18-filter-tank-o-ring","provider":"Discount Pool Mart","version":"1.0","type":"link"}