{"product_id":"o-179-0-o-ring","title":"Aladdin O-179-0 2-Inch Bulkhead \u0026 Union O-Ring","description":"\u003ch2\u003eKey Benefits + Bulkhead \u0026amp; Union Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAladdin O-179-0 replacement O-ring for specific 2-inch bulkhead and union sealing applications.\u003c\/li\u003e\n\u003cli\u003eUsed in Aladdin filter service kits for select Pac-Fab, Purex, Triton and Nautilus filter applications.\u003c\/li\u003e\n\u003cli\u003eAlso used by Aladdin as a union O-ring in its Caretaker, EnvironPool and Dust \u0026amp; Vac 5-port valve O-ring kit.\u003c\/li\u003e\n\u003cli\u003eCross-referenced to Pentair part number 154492 for applicable 2-inch bulkhead connections.\u003c\/li\u003e\n\u003cli\u003eHelps restore the seal when the original O-ring is worn, flattened, cracked or no longer sealing correctly.\u003c\/li\u003e\n\u003cli\u003eConfirm the equipment model and original part number before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuick Product Summary\u003c\/h2\u003e\u003cp\u003eThe Aladdin O-179-0 is a replacement pool-equipment O-ring used at specific 2-inch bulkhead and union connections. Aladdin identifies O-179 as a 2-inch bulkhead O-ring in multiple Pac-Fab, Purex and Triton filter service kits and also uses it as a union O-ring in its Caretaker 5-port valve service kit. If your equipment calls for Aladdin O-179\/O-179-0 or the verified Pentair 154492 cross-reference, this is the replacement size to compare before purchase.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eServicing select 2-inch filter bulkhead connections\u003c\/li\u003e\n\u003cli\u003eReplacing O-179 union seals used in specific Caretaker 5-port valve applications\u003c\/li\u003e\n\u003cli\u003eMatching equipment that calls for Aladdin O-179\/O-179-0 or Pentair 154492\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy This Matters\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA worn bulkhead or union O-ring can allow water to seep from a serviceable connection.\u003c\/li\u003e\n\u003cli\u003eUsing the specified replacement O-ring helps restore proper sealing after equipment service.\u003c\/li\u003e\n\u003cli\u003eMatching the original part number helps reduce wrong-part orders.\u003c\/li\u003e\n\u003cli\u003eReplacing a visibly damaged or flattened seal can be more effective than repeatedly tightening the connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Signs You Need This \/ Use This When\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThe existing O-ring is cracked, flattened, stretched or missing.\u003c\/li\u003e\n\u003cli\u003eYou are servicing a connection specifically calling for O-179, O-179-0 or Pentair 154492.\u003c\/li\u003e\n\u003cli\u003eWater is seeping from the applicable bulkhead or union connection and the sealing surfaces have been checked.\u003c\/li\u003e\n\u003cli\u003eThe O-ring no longer seats correctly after disassembly and inspection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAladdin Equipment Company\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eBulkhead \/ union O-ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eO-179\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eO-179-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e601402122323\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eSpecific 2-inch bulkhead and union sealing applications in pool equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVerified Cross-Reference\u003c\/td\u003e\n\u003ctd\u003ePentair 154492\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVerified Equipment Uses\u003c\/td\u003e\n\u003ctd\u003eSelect Pac-Fab \/ Purex \/ Triton \/ Nautilus filter service kits; Caretaker 5-port valve union service kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eCompatibility \/ Fitment Notes\u003c\/h2\u003e\u003cp\u003eAladdin lists O-179 as a 2-inch bulkhead O-ring in filter service kits for select Pac-Fab, Purex, Triton and Nautilus systems, including applications associated with Pentair 154492. Aladdin also includes O-179 union O-rings in its Caretaker, EnvironPool and Dust \u0026amp; Vac 5-port valve kit. Do not order by appearance alone; match the equipment model and original O-ring or cross-reference number before purchase.\u003c\/p\u003e\u003ch2\u003eInstallation \/ Use Notes\u003c\/h2\u003e\u003cp\u003eBefore servicing a filter, valve or other pressurized pool component, shut the system down and follow the equipment manufacturer's pressure-relief and service instructions. Remove the old O-ring, clean and inspect the groove and sealing surfaces, and install the replacement without twisting or pinching it. A compatible pool\/spa O-ring lubricant may be used when appropriate; avoid petroleum-based products unless the equipment manufacturer specifically allows them.\u003c\/p\u003e\u003ch2\u003eBuy with Confidence\u003c\/h2\u003e\u003cp\u003eBenchmark Pool Supply helps customers identify replacement pool parts by model, part number and equipment application. If you are comparing O-179-0 against an existing bulkhead or union seal, verify the original equipment number before ordering so you can avoid a wrong-part purchase.\u003c\/p\u003e","brand":"Aladdin Equipment Company Inc","offers":[{"title":"Default Title","offer_id":41977581961290,"sku":"O-179-0","price":6.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/6580\/7178\/files\/ChatGPTImageAug25_2026_08_29_44AM.png?v=1787671792","url":"https:\/\/benchmarkpoolsupply.com\/products\/o-179-0-o-ring","provider":"Benchmark Pool Supply","version":"1.0","type":"link"}