{"product_id":"aladdin-o-ring-o-179","title":"Aladdin Caretaker Union O-Ring | O-179","description":"\n\u003ch2\u003eAladdin O-179 2\" Pool Filter Bulkhead \u0026amp; Union O-Ring\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eAladdin O-179 Replacement O-Ring\u003c\/strong\u003e is a multi-use sealing gasket designed for select Pentair, Pac-Fab, Sta-Rite, Hayward, and Polaris Caretaker swimming pool equipment. Commonly used as a 2-inch filter bulkhead O-ring, union seal, and valve connection gasket, it helps prevent water leaks and maintain proper sealing in compatible pool plumbing and filtration systems.\u003c\/p\u003e\n\n\u003cp\u003eManufactured by Aladdin Equipment Company, the O-179 provides an aftermarket replacement for several original equipment seals, including \u003cstrong\u003ePentair 154492, Pentair 274495, Hayward SX220Z3, and Sta-Rite WC9-7\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Use Replacement O-Ring:\u003c\/strong\u003e Designed for compatible pool filters, unions, and valve assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Inch Union Applications:\u003c\/strong\u003e Used in select pool plumbing and Caretaker in-floor cleaning system unions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Bulkhead Seal:\u003c\/strong\u003e Helps prevent leaks around compatible filter bulkhead connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Cross References:\u003c\/strong\u003e Replaces multiple original Pentair, Hayward, and Sta-Rite O-rings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Designed for swimming pool and spa sealing applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual Replacement:\u003c\/strong\u003e Allows replacement of a worn O-ring without purchasing an entire repair kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Aladdin Equipment Company\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e O-179 \/ O-179-0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Multi-Use Filter Bulkhead \/ Union O-Ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Size:\u003c\/strong\u003e 2-Inch Union Applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Elastomer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Pool Filters, Unions, Valves, and In-Floor Cleaning Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 601402263446\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 O-Ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon OEM Cross References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePentair 154492\u003c\/li\u003e\n\u003cli\u003ePentair 274495\u003c\/li\u003e\n\u003cli\u003eHayward SX220Z3\u003c\/li\u003e\n\u003cli\u003eSta-Rite WC9-7\u003c\/li\u003e\n\u003cli\u003ePolaris \/ Caretaker 1-13-3\u003c\/li\u003e\n\u003cli\u003eOmni 0-5960\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Equipment Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePentair Triton II TR100C and TR140C Sand Filters\u003c\/li\u003e\n\u003cli\u003eSelect Pentair and Pac-Fab Filter Bulkhead Assemblies\u003c\/li\u003e\n\u003cli\u003eHayward Sand Filter Assemblies Using SX220Z3\u003c\/li\u003e\n\u003cli\u003eSta-Rite Sand Filters Using WC9-7\u003c\/li\u003e\n\u003cli\u003ePolaris \/ Caretaker In-Floor Pool Cleaning System Unions\u003c\/li\u003e\n\u003cli\u003eCompatible 2-Inch Pool Plumbing Union Connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Verify the original OEM part number and sealing location before ordering. Not all 2-inch unions use the same O-ring.\u003c\/p\u003e\n\n\u003ch3\u003eSigns Your O-Ring Needs Replacement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWater leaking around filter bulkhead connections\u003c\/li\u003e\n\u003cli\u003eLeaks around threaded or union fittings\u003c\/li\u003e\n\u003cli\u003eCracked, flattened, or hardened O-ring material\u003c\/li\u003e\n\u003cli\u003eVisible cuts, stretching, or deterioration\u003c\/li\u003e\n\u003cli\u003eLeaks developing after filter or plumbing maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation and Maintenance\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eTurn off the pool pump and disconnect electrical power.\u003c\/li\u003e\n\u003cli\u003eRelieve all pressure from the pool filter or plumbing system.\u003c\/li\u003e\n\u003cli\u003eRemove the existing O-ring and clean the sealing groove.\u003c\/li\u003e\n\u003cli\u003eInspect the fitting and sealing surfaces for damage.\u003c\/li\u003e\n\u003cli\u003eConfirm that the Aladdin O-179 matches the original seal.\u003c\/li\u003e\n\u003cli\u003eApply a thin coating of manufacturer-approved silicone lubricant if recommended.\u003c\/li\u003e\n\u003cli\u003eInstall the replacement O-ring without twisting or pinching.\u003c\/li\u003e\n\u003cli\u003eReassemble the equipment according to the manufacturer's instructions.\u003c\/li\u003e\n\u003cli\u003eRestart the system and inspect for leaks.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eRelated Pentair Filter Replacement Parts\u003c\/h3\u003e\n\u003cp\u003eFind additional replacement components for compatible Pentair Triton II filters using Aqua Pool Supply's illustrated parts diagrams.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/aquapoolsupply.com\/collections\/parts-list-pentair-triton-ii-tr140-filter\" title=\"Pentair Triton II TR140 Sand Filter Replacement Parts\"\u003e\nPentair Triton II TR140 Filter Replacement Parts\n\u003c\/a\u003e\n– Includes the Pentair 154492 bulkhead O-ring and related bulkhead hardware.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/aquapoolsupply.com\/collections\/parts-list-pentair-triton-ii-tr60-filter\" title=\"Pentair Triton II TR60 Sand Filter Replacement Parts\"\u003e\nPentair Triton II TR60 Filter Replacement Parts\n\u003c\/a\u003e\n– Browse filter bulkhead seals, gaskets, valve adapters, and other maintenance components.\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated O-Ring Lubricants\u003c\/h3\u003e\n\u003cp\u003eProper lubrication can help protect replacement O-rings during installation. Browse \u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Aladdin+Magic+Lube\" title=\"Aladdin Magic Lube Pool and Spa O-Ring Lubricants\"\u003eAladdin Magic Lube lubricants\u003c\/a\u003e for compatible pool and spa sealing applications.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Aladdin Replacement O-Rings\u003c\/h3\u003e\n\u003cp\u003eExplore our \u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Aladdin+O-Ring\" title=\"Shop Aladdin Pool Pump Filter and Valve O-Rings\"\u003eAladdin replacement O-rings and seals\u003c\/a\u003e for additional pool pump, filter, valve, and plumbing repair components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e One (1) Aladdin O-179 Replacement O-Ring.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This listing includes the individual O-ring only. Filter bulkhead fittings, unions, valves, and other repair components are sold separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility Note:\u003c\/strong\u003e Aladdin O-179 is an aftermarket replacement manufactured by Aladdin Equipment Company. It is not manufactured by Pentair, Hayward, or Sta-Rite. Always verify your equipment model and OEM part number before purchasing.\u003c\/p\u003e\n","brand":"Aladdin","offers":[{"title":"Default Title","offer_id":50992032743740,"sku":"O-179","price":6.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/Screenshot2026-10-22114605.png?v=1792694783","url":"https:\/\/aquapoolsupply.com\/products\/aladdin-o-ring-o-179","provider":"Aqua Pool Supply","version":"1.0","type":"link"}