{"product_id":"waterwaycrystalwatercartridgefilter212unionoring8050232wwp8050232","title":"Waterway Crystal Water Cartridge Filter 2-1\/2\" Union O-Ring | 805-0232","description":"\u003cdiv\u003e\n  \u003ch2\u003eWaterway 805-0232 O-Ring for 2-1\/2\" Union \/ Tailpiece Connections\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Waterway 805-0232 is a replacement union O-ring used on many Waterway 2-1\/2\" union and tailpiece connections found on pool and spa\n    equipment (including select pump unions, heater tailpieces, and Waterway Crystal Water filter bulkhead unions). Replacing a worn O-ring\n    helps stop drips at the union, prevents suction-side air leaks, and restores a reliable seal after service.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Details\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Waterway\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 805-0232\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e 2-1\/2\" union \/ tailpiece O-ring (Waterway-style union sealing ring)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCommon Use Areas:\u003c\/strong\u003e Pump unions, heater union tailpieces, and select Waterway filter bulkhead unions (model-dependent)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eO-Ring Size (Commonly Listed)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInside Diameter (ID):\u003c\/strong\u003e 2-3\/4\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCross Section (Thickness):\u003c\/strong\u003e 1\/8\"\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhere This O-Ring Is Commonly Used\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eWaterway 2-1\/2\" pump union connections\u003c\/li\u003e\n    \u003cli\u003eWaterway 2-1\/2\" heater union tailpiece connections\u003c\/li\u003e\n    \u003cli\u003eSelect Waterway Crystal Water cartridge \/ D.E. filter bulkhead union connections (verify by filter model and union style)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eSeals the union connection between mating faces to prevent water leaks.\u003c\/li\u003e\n    \u003cli\u003eHelps prevent suction-side air intrusion that can cause bubbles, noise, or priming issues.\u003c\/li\u003e\n    \u003cli\u003eMaintains a service-friendly union so equipment can be removed without cutting plumbing.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDripping or weeping at the union connection\u003c\/li\u003e\n    \u003cli\u003eFlattened, cracked, swollen, or nicked O-ring\u003c\/li\u003e\n    \u003cli\u003eUnion must be overtightened to stop a leak\u003c\/li\u003e\n    \u003cli\u003eUnion was opened for service and the old O-ring no longer reseals reliably\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTurn the pump off and relieve system pressure before opening the union.\u003c\/li\u003e\n    \u003cli\u003eRemove the old O-ring and clean both sealing faces (remove grit, scale, and old residue).\u003c\/li\u003e\n    \u003cli\u003eSeat the new O-ring evenly in the groove; do not twist or pinch.\u003c\/li\u003e\n    \u003cli\u003eLightly lubricate with pool-safe silicone lubricant (avoid petroleum-based lubricants).\u003c\/li\u003e\n    \u003cli\u003eHand-tighten the union nut snugly; overtightening can distort the seal and cause leaks.\u003c\/li\u003e\n    \u003cli\u003eRestart the system and recheck for seepage once full flow\/pressure is restored.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tip\u003c\/h3\u003e\n  \u003cp\u003e\n    Many “bad O-ring” leaks are actually caused by debris on the union faces. If a union drips, clean the sealing surfaces first and inspect\n    for hairline cracks in the union nut or tailpiece before replacing larger parts.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eRelated Products (Aqua Pool Supply)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=pool%20safe%20silicone%20lubricant\"\u003ePool-safe silicone lubricant\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=2.5%20inch%20pump%20union\"\u003e2-1\/2\" pump unions and tailpieces\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=waterway%20union%20nut%202.5\"\u003eWaterway 2-1\/2\" union nuts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=waterway%20crystal%20water%20filter%20parts\"\u003eWaterway Crystal Water filter parts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=union%20o-ring%20kit\"\u003eUnion O-ring kits\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Waterway","offers":[{"title":"Default Title","offer_id":46797843595439,"sku":"805-0232","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/waterway-crystal-water-cartridge-filter-2-12-union-o-ring-805-0232-pool-filter-parts-9760794.jpg?v=1777068080","url":"https:\/\/freshized.com\/products\/waterwaycrystalwatercartridgefilter212unionoring8050232wwp8050232","provider":"Freshized","version":"1.0","type":"link"}