{"product_id":"pentairlargestainlesssteelnichesforconcrete1tophub78210500pen78210500","title":"Pentair Large Stainless Steel Niches for Concrete 1\" Top Hub | 78210500","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair Large Stainless Steel Pool Light Niche for Concrete Pools, 1\" Top Hub (10-Hole Pattern) | 78210500\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair 78210500 is a \u003cstrong\u003elarge stainless steel underwater light niche\u003c\/strong\u003e designed for\n    \u003cstrong\u003econcrete (gunite\/plaster)\u003c\/strong\u003e pool and spa installations. This niche provides a durable, corrosion-resistant\n    housing for compatible large-format niche-style pool lights and includes a \u003cstrong\u003e1\" top hub\u003c\/strong\u003e for conduit routing\n    up to a junction box.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConcrete pool installation:\u003c\/strong\u003e built for setting into gunite\/plaster pools and spas.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLarge niche format:\u003c\/strong\u003e for compatible large pool\/spa lights using the \u003cstrong\u003estandard 10-hole\u003c\/strong\u003e mounting pattern.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e1\" top hub:\u003c\/strong\u003e top-mounted hub for conduit\/cord routing and installation layout flexibility.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStainless steel housing:\u003c\/strong\u003e long-lasting, corrosion-resistant niche body.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrass hub\/fittings (typical):\u003c\/strong\u003e robust conduit connection components.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBonding provisions:\u003c\/strong\u003e internal and external bonding\/grounding lugs to support code-compliant bonding.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOEM Pentair niche:\u003c\/strong\u003e intended for use with compatible Pentair\/American Products large niche-style lights.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePool Type:\u003c\/strong\u003e Concrete (gunite\/plaster) pools and spas\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLight Type:\u003c\/strong\u003e Large niche-style underwater lights using a \u003cstrong\u003e10-hole\u003c\/strong\u003e pattern\u003c\/li\u003e\n    \u003cli\u003e\n      \u003cem\u003eTip:\u003c\/em\u003e Confirm your existing niche pattern (10-hole), niche size (large), and hub location\/size (1\" top hub)\n      before ordering—large niche parts are not interchangeable with small niche or nicheless light systems.\n    \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 78210500\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNiche Type:\u003c\/strong\u003e Large stainless steel niche\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Concrete pools\/spas\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting Pattern:\u003c\/strong\u003e Standard 10-hole\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHub Location:\u003c\/strong\u003e Top\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHub Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBonding Lugs:\u003c\/strong\u003e Internal and external\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\u003eCorroded or damaged niche during renovation or major lighting upgrade\u003c\/li\u003e\n    \u003cli\u003eStripped or damaged hub\/conduit connection\u003c\/li\u003e\n    \u003cli\u003eRestoring proper bonding\/grounding provisions on an older installation\u003c\/li\u003e\n    \u003cli\u003eConverting to a compatible large niche light system requiring a large stainless niche\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eUnderwater lighting and bonding\/grounding work should be performed by a qualified pool professional\/electrician per local code.\u003c\/li\u003e\n    \u003cli\u003ePlan conduit routing from the \u003cstrong\u003e1\" top hub\u003c\/strong\u003e to a listed pool light junction box in the required location.\u003c\/li\u003e\n    \u003cli\u003eConfirm the niche is set square and at the correct elevation before gunite\/plaster—misalignment can affect face ring fit and gasket sealing.\u003c\/li\u003e\n    \u003cli\u003eUse compatible large-light sealing components (lens gasket, face ring\/clamp hardware) specific to your light model.\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=78310500\"\u003ePool Light Junction Box (78310500)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=79110600\"\u003eLarge Light Stainless Face Ring (79110600)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=79101600Z\"\u003eLarge Light Lens Gasket (79101600Z)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=79211600Z\"\u003eLarge Niche Plaster Ring (79211600Z)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=pool%20light%20conduit%201%20inch\"\u003e1\" Conduit \u0026amp; Fittings for Pool Lights\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/pages\/search-results-page?q=large%20pool%20light%20parts\"\u003eLarge Pool Light Parts\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eAny time a light is opened for service, replace the lens gasket and ensure clamping hardware tightens evenly.\u003c\/li\u003e\n    \u003cli\u003eKeep bonding connections clean and secure—corrosion at bonding points can create reliability and safety issues.\u003c\/li\u003e\n    \u003cli\u003eMaintain balanced water chemistry to reduce corrosion risk on metal components over time.\u003c\/li\u003e\n    \u003cli\u003eIf you see fogging\/water behind the lens or repeated GFCI trips, shut off power and have the system inspected immediately.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589953220924,"sku":"78210500","price":109.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-large-stainless-steel-niches-for-concrete-1-top-hub-78210500-pool-lights-3824245.jpg?v=1771459093","url":"https:\/\/aquapoolsupply.com\/products\/pentairlargestainlesssteelnichesforconcrete1tophub78210500pen78210500","provider":"Aqua Pool Supply","version":"1.0","type":"link"}