{"title":"Pentair BioShield Pro UV System Replacement Parts","description":"\u003cp\u003ePentair BioShield Pro UV System parts, matched to the diagram. Click any number on the exploded view to see the part, price and stock. The safety cap, faceplate and gasket depend on your system part number. Not sure what you have? Call us or bring the part into any of our Phoenix, Scottsdale, Chandler or Las Vegas stores and we'll match it.\u003c\/p\u003e","products":[{"product_id":"pentairbioshielduvdisinfectionsterilizer120wuvlamp523037pen523037","title":"Pentair BioShield UV Disinfection Sterilizer 120W UV Lamp | 523037","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair BioShield UV Replacement Lamp, 120 Watt | 523037\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair \u003cstrong\u003e523037\u003c\/strong\u003e is a genuine \u003cstrong\u003e120-watt UV replacement lamp\u003c\/strong\u003e for select\n    \u003cstrong\u003ePentair BioShield UV\u003c\/strong\u003e disinfection systems. This lamp is a routine service item that restores UV output\n    for proper water disinfection performance when the existing lamp has reached end of life or is no longer producing the\n    required intensity.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e120W UV lamp\u003c\/strong\u003e designed for BioShield UV units that specify part \u003cstrong\u003e523037\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAnnual service item:\u003c\/strong\u003e commonly listed as a required periodic replacement component for BioShield UV systems.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRestores UV performance\u003c\/strong\u003e to help maintain effective disinfection when the old lamp is aged or failed.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOEM Pentair part\u003c\/strong\u003e for correct fit and electrical connection in the matching BioShield chamber assembly.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Pentair \u003cstrong\u003eBioShield UV System\u003c\/strong\u003e model \u003cstrong\u003e522637\u003c\/strong\u003e (where parts diagram specifies \u003cstrong\u003e523037\u003c\/strong\u003e)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cem\u003eTip:\u003c\/em\u003e Verify your BioShield model number and parts list before ordering. BioShield systems use different lamp wattages by model.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Pentair\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 523037\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e UV replacement lamp\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWattage:\u003c\/strong\u003e 120 Watt\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Sold individually\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Reasons to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eScheduled UV lamp change to maintain consistent UV output\u003c\/li\u003e\n    \u003cli\u003eUV system alarm or reduced performance due to lamp age\u003c\/li\u003e\n    \u003cli\u003eLamp will not ignite or operates intermittently\u003c\/li\u003e\n    \u003cli\u003ePhysical damage during service (chips, cracks, broken pins)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTurn off power to the UV system and follow all lockout\/tagout and safety procedures.\u003c\/li\u003e\n    \u003cli\u003eAllow the unit to cool before servicing.\u003c\/li\u003e\n    \u003cli\u003eHandle the lamp carefully; avoid touching the glass with bare hands (use clean gloves). Oils can shorten lamp life.\u003c\/li\u003e\n    \u003cli\u003eInspect the quartz sleeve for scale, clouding, or damage while the unit is open and replace\/clean as needed.\u003c\/li\u003e\n    \u003cli\u003eAfter replacement, verify the unit starts normally and there are no leaks at service seals or unions.\u003c\/li\u003e\n    \u003cli\u003eUV system service should be performed by a qualified pool professional\/technician.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=523037\"\u003eSearch Aqua Pool Supply for 523037\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=523041\"\u003eBioShield Quartz Sleeve (for 522637) - 523041\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=523034\"\u003eBioShield 4-Pin Lamp Connector - 523034\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=523423\"\u003eBioShield Lamp Spacer - 523423\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=411000\"\u003eBioShield Retaining Nut - 411000\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=BioShield%20UV%20parts\"\u003ePentair BioShield UV parts\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eReplace the UV lamp on schedule to maintain disinfection intensity (UV output drops over time even if the lamp still lights).\u003c\/li\u003e\n    \u003cli\u003eKeep water chemistry balanced and control scale—mineral buildup on the quartz sleeve reduces UV transmission.\u003c\/li\u003e\n    \u003cli\u003eDuring lamp service, inspect O-rings\/seals and replace worn seals to prevent leaks.\u003c\/li\u003e\n    \u003cli\u003eRecord the install date so future service intervals are easy to track.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589952336188,"sku":"523037","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-bioshield-uv-disinfection-sterilizer-120w-uv-lamp-523037-sanitizer-2752804.jpg?v=1771459100"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/collections\/pentair-bioshield-pro-uv-system-exploded-view.png?v=1790425344","url":"https:\/\/aquapoolsupply.com\/collections\/parts-list-pentair-bioshield-pro-uv-system.oembed","provider":"Aqua Pool Supply","version":"1.0","type":"link"}