{"product_id":"pentair-amerlite-500w-120v-underwater-pool-light-with-150-cord-78457100","title":"Pentair Amerlite 500W 120V Underwater Pool Light with 150' Cord | 78457100","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 Amerlite® 78457100 Underwater Pool Light\u003c\/strong\u003e is a complete incandescent lighting assembly designed for compatible full-size Pentair swimming pool niches. This configuration operates at \u003cstrong\u003e120 volts\u003c\/strong\u003e, delivers \u003cstrong\u003e500 watts of bright white illumination\u003c\/strong\u003e, and includes an extra-long \u003cstrong\u003e150-foot factory-installed cord\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAmerlite has been a long-standing choice for traditional inground pool lighting, combining a durable stainless-steel housing, stainless-steel face ring, and prismatic tempered-glass lens to distribute white light throughout the swimming pool.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003e150-foot cord\u003c\/strong\u003e makes this model particularly useful for pools where the light niche is located a considerable distance from the junction box or electrical connection point.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine \u003cstrong\u003ePentair Amerlite®\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: \u003cstrong\u003e78457100\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120V\u003c\/strong\u003e underwater pool light\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500-watt incandescent\u003c\/strong\u003e lamp\u003c\/li\u003e\n\u003cli\u003eBright white illumination\u003c\/li\u003e\n\u003cli\u003eExtra-long \u003cstrong\u003e150-foot cord\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStainless-steel face ring\u003c\/li\u003e\n\u003cli\u003eStainless-steel light housing\u003c\/li\u003e\n\u003cli\u003ePrismatic tempered-glass lens\u003c\/li\u003e\n\u003cli\u003eFull-size wet-niche installation\u003c\/li\u003e\n\u003cli\u003eDesigned for residential inground swimming pools\u003c\/li\u003e\n\u003cli\u003eComplete light fixture assembly\u003c\/li\u003e\n\u003cli\u003eIdeal replacement for compatible existing Amerlite installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv dir=\"auto\" class=\"group TyagGW_tableContainer\"\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\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eAmerlite®\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e78457100\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eUnderwater Pool Light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Technology\u003c\/td\u003e\n\u003ctd\u003eIncandescent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Color\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e120V\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWattage\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e500W\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCord Length\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e150 ft\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFace Ring\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens\u003c\/td\u003e\n\u003ctd\u003ePrismatic Tempered Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eInground Swimming Pool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eWet-Niche\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNiche Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003ctd\u003eYes\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\"\u003e150-Foot Factory Cord\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003e78457100 includes a 150-foot factory-installed electrical cord\u003c\/strong\u003e, making it especially useful for large equipment layouts or installations where the pool light is located farther from the junction box.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eUsing the appropriate factory cord length helps avoid unnecessary electrical splicing and provides flexibility when routing the light cable through conduit.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eBright 500-Watt White Illumination\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eThe 500-watt incandescent lamp provides the classic bright white underwater illumination associated with traditional Pentair Amerlite fixtures.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis makes the 78457100 a good replacement option for customers who want to maintain an existing incandescent lighting system rather than convert the pool to LED.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003ePrismatic Tempered-Glass Lens\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eThe Amerlite fixture uses a \u003cstrong\u003eprismatic tempered-glass lens\u003c\/strong\u003e designed to spread and diffuse illumination throughout the swimming pool.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe lens design helps provide broad underwater light coverage rather than concentrating the light in a narrow beam.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eStainless-Steel Construction\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eThe Amerlite combines a stainless-steel housing and face ring for durability in submerged pool environments.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eIts corrosion-resistant construction is designed specifically for permanently installed underwater lighting applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eDesigned for compatible full-size underwater niches used with Pentair Amerlite pool lights.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eCommon applications include compatible niches from:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePentair\u003c\/li\u003e\n\u003cli\u003eAmerican Products\u003c\/li\u003e\n\u003cli\u003ePacFab\u003c\/li\u003e\n\u003cli\u003ePurex\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\"\u003eImportant Compatibility Note\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eBefore replacing an existing pool light, verify:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExisting light voltage\u003c\/li\u003e\n\u003cli\u003eRequired cord length\u003c\/li\u003e\n\u003cli\u003eNiche size\u003c\/li\u003e\n\u003cli\u003eFixture dimensions\u003c\/li\u003e\n\u003cli\u003eElectrical configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eA \u003cstrong\u003e120V fixture must only be installed on a properly configured 120V pool-light circuit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePentair Amerlite underwater light fixture\u003c\/li\u003e\n\u003cli\u003e500W white incandescent lamp\u003c\/li\u003e\n\u003cli\u003eStainless-steel face ring\u003c\/li\u003e\n\u003cli\u003ePrismatic glass lens\u003c\/li\u003e\n\u003cli\u003eStainless-steel housing\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e150-foot factory cord\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\"\u003eNot Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePool light niche\u003c\/li\u003e\n\u003cli\u003eJunction box\u003c\/li\u003e\n\u003cli\u003eTransformer\u003c\/li\u003e\n\u003cli\u003eAutomation system\u003c\/li\u003e\n\u003cli\u003eReplacement conduit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eIdeal Replacement Applications\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003ePentair 78457100 is an excellent choice when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplacing an older compatible Amerlite light\u003c\/li\u003e\n\u003cli\u003eExisting fixture uses \u003cstrong\u003e120V power\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eExisting system requires a \u003cstrong\u003e500W incandescent fixture\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eA long \u003cstrong\u003e150-foot cord\u003c\/strong\u003e is required\u003c\/li\u003e\n\u003cli\u003eCustomer wants traditional bright white pool lighting\u003c\/li\u003e\n\u003cli\u003eExisting niche is compatible with a full-size Amerlite fixture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eInstallation Information\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eUnderwater pool-light installation involves line-voltage electrical wiring and must comply with applicable electrical and pool-safety codes.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eInstallation should be performed by a qualified pool professional or licensed electrician.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAlways:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect electrical power.\u003c\/li\u003e\n\u003cli\u003eVerify the circuit is de-energized.\u003c\/li\u003e\n\u003cli\u003eConfirm niche compatibility.\u003c\/li\u003e\n\u003cli\u003eVerify the circuit voltage.\u003c\/li\u003e\n\u003cli\u003eRoute the complete factory cord through the conduit.\u003c\/li\u003e\n\u003cli\u003eConnect the fixture at the approved junction point.\u003c\/li\u003e\n\u003cli\u003eVerify proper grounding and bonding.\u003c\/li\u003e\n\u003cli\u003eTest GFCI protection before use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch1 dir=\"auto\"\u003eFrequently Asked Questions\u003c\/h1\u003e\n\u003ch3 dir=\"auto\"\u003eWhat is Pentair 78457100?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eIt is a \u003cstrong\u003ePentair Amerlite 120V, 500W white incandescent underwater pool light with a 150-foot cord\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eHow long is the cord?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e150 feet.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWhat voltage does it use?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e120 volts.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWhat wattage is the light?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003e500 watts.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWhat color light does it produce?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eTraditional \u003cstrong\u003ewhite incandescent light\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eIs this an LED light?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eNo. The \u003cstrong\u003e78457100 is an incandescent Amerlite fixture\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eDoes the pool niche come with it?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eNo. The niche is sold separately.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eDoes it include the complete fixture?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eYes. This product is the complete Amerlite light assembly with housing, face ring, lens, lamp, and factory cord.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eCan it replace an older Pentair Amerlite?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eIt can replace compatible Amerlite installations when the \u003cstrong\u003evoltage, niche size, fixture type, and cord length\u003c\/strong\u003e match.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eIs this the 50-foot version?\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eNo. \u003cstrong\u003e78457100 has a 150-foot cord.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe similar \u003cstrong\u003e78458100\u003c\/strong\u003e configuration uses a \u003cstrong\u003e50-foot cord\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":54644941455670,"sku":"78457100","price":479.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/pentair-500w-120v-white-amerlite-incandescent-light-50-cord-ec-602128-78458100-vita-pool-supply-9782483.webp?v=1790272500","url":"https:\/\/poolsupplydepot.net\/products\/pentair-amerlite-500w-120v-underwater-pool-light-with-150-cord-78457100","provider":"Pool Supply Depot","version":"1.0","type":"link"}