{"product_id":"pentairsuperflosupermax15unionkitblack351157pen351157","title":"Pentair SuperFlo \/ SuperMax 1.5\" Black Pump Union Kit – 2 Pack | 351157","description":"\u003ch2 dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003eProduct Overview\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003ePentair 351157 SuperFlo \/ SuperMax 1.5\" Union Kit\u003c\/strong\u003e is a genuine OEM replacement plumbing connection kit designed for compatible \u003cstrong\u003ePentair SuperFlo® and SuperMax® pool pumps\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis complete union kit provides the components needed to connect both the \u003cstrong\u003esuction and discharge sides\u003c\/strong\u003e of the pump. The union-style connections make pump installation and future servicing easier by allowing the pump to be disconnected from the plumbing without cutting PVC pipe.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003ePentair specifies \u003cstrong\u003e351157\u003c\/strong\u003e as the complete union kit containing \u003cstrong\u003etwo union adapters, two adapter O-rings, and two union nuts\u003c\/strong\u003e, providing enough components for both pump ports. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine \u003cstrong\u003ePentair OEM replacement part\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: \u003cstrong\u003e351157\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible Pentair \u003cstrong\u003eSuperFlo® and SuperMax® pumps\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1.5-inch plumbing connection\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBlack union nuts\u003c\/li\u003e\n\u003cli\u003eComplete kit for both pump connections\u003c\/li\u003e\n\u003cli\u003eServices both suction and discharge ports\u003c\/li\u003e\n\u003cli\u003eMakes pump removal and servicing easier\u003c\/li\u003e\n\u003cli\u003eHelps create secure, watertight plumbing connections\u003c\/li\u003e\n\u003cli\u003eReusable union design allows future pump removal without cutting PVC\u003c\/li\u003e\n\u003cli\u003eIdeal for new installations and replacement plumbing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eOne \u003cstrong\u003ePentair 351157 Union Kit\u003c\/strong\u003e includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2 × Union Adapters\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2 × Union Adapter O-Rings\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2 × Black Union Nuts\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThis is a \u003cstrong\u003ecomplete two-union kit\u003c\/strong\u003e, providing connections for both the inlet and outlet of one compatible pump. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv dir=\"auto\" class=\"group TyagGW_tableContainer TyagGW_tableContainerWithTableOfContents\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable dir=\"auto\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e351157\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePump Union Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlumbing Size\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1.5\"\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Union Assemblies\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnion Adapters Included\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnion Nuts Included\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eO-Rings Included\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003ePool Pump Plumbing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Replacement\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC \/ Barcode\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e788379830120\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003ePentair 351157 is designed for compatible:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003ePentair SuperFlo® VST\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePentair SuperFlo® VS\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePentair SuperMax® VS\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSelect SuperFlo pump configurations\u003c\/li\u003e\n\u003cli\u003eSelect SuperMax pump configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003ePentair's current replacement-parts documentation specifically identifies \u003cstrong\u003e351157\u003c\/strong\u003e as the \u003cstrong\u003eSuperFlo\/SuperMax Union Kit\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eCompatibility Note\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eAlways verify the pump model and existing plumbing size before ordering. Pump generations and plumbing configurations can vary.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eIndividual Components\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003ePentair identifies the components contained in the 351157 kit as:\u003c\/p\u003e\n\u003cdiv dir=\"auto\" class=\"group TyagGW_tableContainer TyagGW_tableContainerWithTableOfContents\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable dir=\"auto\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eComponent\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003ePentair Part Number\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnion Adapter\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e350093Z\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnion Adapter O-Ring\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e6020018Z\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack Union Nut\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e270141Z\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\"\u003ePurchasing \u003cstrong\u003e351157\u003c\/strong\u003e provides the complete set instead of ordering these components individually. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eWhy Use Pump Unions?\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003ePool pump unions make equipment installation and maintenance significantly easier.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eWithout unions, removing a pump may require cutting the existing PVC plumbing. With properly installed union connections, the union nuts can be loosened and the pump removed while much of the existing plumbing remains intact.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis is especially useful when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplacing a pump\u003c\/li\u003e\n\u003cli\u003eServicing the pump motor or wet end\u003c\/li\u003e\n\u003cli\u003eRebuilding the pump\u003c\/li\u003e\n\u003cli\u003eRepairing equipment-pad plumbing\u003c\/li\u003e\n\u003cli\u003eWinterizing equipment\u003c\/li\u003e\n\u003cli\u003eTemporarily removing equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eWhen Should the Union Kit Be Replaced?\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eConsider replacing the existing unions if you notice:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWater leaking around the pump connections\u003c\/li\u003e\n\u003cli\u003eCracked union nuts\u003c\/li\u003e\n\u003cli\u003eDamaged plumbing adapters\u003c\/li\u003e\n\u003cli\u003eFlattened or deteriorated O-rings\u003c\/li\u003e\n\u003cli\u003eCross-threaded union nuts\u003c\/li\u003e\n\u003cli\u003ePrevious plumbing modifications\u003c\/li\u003e\n\u003cli\u003eMissing original union fittings\u003c\/li\u003e\n\u003cli\u003eDifficulty obtaining a secure seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eReplacing the complete kit can be preferable when several pieces of an older connection are worn or damaged.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eInstallation Information\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eBefore servicing pool equipment:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eTurn off power to the pool pump.\u003c\/li\u003e\n\u003cli\u003eRelieve pressure from the filtration system.\u003c\/li\u003e\n\u003cli\u003eDrain water from the plumbing as necessary.\u003c\/li\u003e\n\u003cli\u003eRemove the existing union components.\u003c\/li\u003e\n\u003cli\u003eInstall the new union adapters into the plumbing.\u003c\/li\u003e\n\u003cli\u003ePosition the supplied O-rings correctly.\u003c\/li\u003e\n\u003cli\u003eThread the union nuts onto the pump connections.\u003c\/li\u003e\n\u003cli\u003eHand-tighten the unions securely.\u003c\/li\u003e\n\u003cli\u003eRestart the system and inspect for leaks.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp dir=\"auto\"\u003eAvoid overtightening plastic union nuts, as excessive force may damage the fittings.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1 dir=\"auto\"\u003eFrequently Asked Questions\u003c\/h1\u003e\n\u003ch3 dir=\"auto\"\u003eDoes Pentair 351157 include two unions?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e The kit contains enough components for \u003cstrong\u003etwo complete pump connections\u003c\/strong\u003e—one for the suction side and one for the discharge side.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eAre the O-rings included?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Two union adapter O-rings are included.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eAre the union nuts included?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eYes. The kit contains \u003cstrong\u003etwo black union nuts\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eDoes it fit the Pentair SuperFlo VST?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Pentair lists 351157 in its SuperFlo VST replacement-parts documentation. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eDoes it fit the SuperFlo VS?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eYes. It is listed for compatible SuperFlo VS pump configurations.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eDoes it fit SuperMax VS?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eYes. Pentair lists the kit for compatible \u003cstrong\u003eSuperMax VS\u003c\/strong\u003e pumps.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eIs this a single union?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eNo. \u003cstrong\u003e351157 is a complete two-union kit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWhat size plumbing is this for?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eThe kit is designed for \u003cstrong\u003e1.5-inch plumbing connections\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eIs this a genuine Pentair part?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eYes. \u003cstrong\u003e351157 is a genuine Pentair OEM replacement union kit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eCan I reuse the unions when replacing my pump?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eGenerally, union fittings can be disconnected and reused if the components and O-rings remain undamaged and compatible with the replacement pump.\u003c\/p\u003e\n\u003c!--split--\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52762847084854,"sku":"PEN351157 -H","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/pentair-15-black-union-kit-for-supermax-superflo-pump-351157-vita-pool-supply-1798966.webp?v=1790261479","url":"https:\/\/poolsupplydepot.net\/products\/pentairsuperflosupermax15unionkitblack351157pen351157","provider":"Pool Supply Depot","version":"1.0","type":"link"}