{"product_id":"pentairkitunionbioshieldfor522638and522945","title":"Pentair | 523148 | BioShield 3 Inch Union Assembly Kit for Models 522638 and 522945","description":"\u003cp data-start=\"162\" data-end=\"637\"\u003eThe Pentair 523148 BioShield 3 Inch Union Assembly Kit is a replacement plumbing connection component designed for compatible Pentair BioShield UV disinfection sterilizer systems, specifically models 522638 and 522945. This kit helps create a secure, serviceable water connection within the UV system plumbing layout, supporting proper flow, dependable sealing, and easier maintenance during installation, repair, or replacement service. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"639\" data-end=\"644\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"646\" data-end=\"663\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"664\" data-end=\"1783\"\u003e• Replacement union assembly kit is designed for use with compatible Pentair BioShield UV disinfection sterilizer models 522638 and 522945. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"841\" data-end=\"844\"\u003e• 3 inch union configuration supports plumbing setups that use the matching larger BioShield connection format. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"993\" data-end=\"996\"\u003e• This kit helps create a secure and serviceable plumbing connection within the UV sterilizer system. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1135\" data-end=\"1138\"\u003e• Union-style design allows easier equipment service and removal without cutting or rebuilding surrounding plumbing.\u003cbr data-start=\"1254\" data-end=\"1257\"\u003e• Intended for maintenance and repair when the original union components become cracked, worn, damaged, or no longer seal correctly.\u003cbr data-start=\"1389\" data-end=\"1392\"\u003e• OEM replacement design helps maintain fit and function within the original BioShield plumbing assembly layout.\u003cbr data-start=\"1504\" data-end=\"1507\"\u003e• Proper union and seal condition is important to dependable water flow and leak-resistant UV system operation.\u003cbr data-start=\"1618\" data-end=\"1621\"\u003e• This part is commonly referenced as the 3 inch union assembly for larger residential BioShield UV system configurations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1785\" data-end=\"1790\"\u003e\n\u003ch2 data-section-id=\"53drpp\" data-start=\"1792\" data-end=\"1813\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"1814\" data-end=\"2302\"\u003eThe Pentair 523148 Union Assembly Kit is a service replacement part used in the plumbing connection assembly of compatible BioShield UV disinfection systems. Pentair replacement parts materials identify this part specifically as the union assembly for models 522638 and 522945, and current seller references also describe it as the 3 inch BioShield union kit for those same systems. That means the SKU and title you provided do match the same item. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2304\" data-end=\"2858\"\u003eThis kit is well suited for repair or maintenance situations where the UV vessel remains serviceable but the original union connection has become worn, damaged, or no longer seals correctly. Because the union assembly is part of the main water connection path, its condition is important to maintaining proper flow and serviceability of the UV system. For pool and spa service professionals maintaining compatible Pentair BioShield UV systems, the 523148 fills an important role in restoring plumbing connection integrity and dependable system operation.\u003c\/p\u003e\n\u003c!--split--\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48995022930232,"sku":"523148","price":319.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/6319\/9544\/files\/Pentair-523148-1.jpg?v=1777768716","url":"https:\/\/appaetechpoolsupply.com\/products\/pentairkitunionbioshieldfor522638and522945","provider":"AppaeTech Pool Supply","version":"1.0","type":"link"}