{"title":"Marine Scupper and Deck Drains","description":"\u003cp\u003eExplore Marine Scupper and Deck Drains at Mariners Warehouse. Compare available products and review each listing for part numbers and specifications.\u003c\/p\u003e","products":[{"product_id":"groco-1-1-4-hose-barb-stainless-straight-deck-drain-75395","title":"GROCO 1-1\/4\" Hose Barb Stainless Straight Deck Drain MPN - SCUS-1250","description":"\u003cp\u003e\u003cstrong\u003e1-1\/4\" Hose Barb Stainless Straight Deck Drain \u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eScuppers are installed flush with the deck and have a removable drain.\u003c\/li\u003e\n\u003cli\u003e#316 Stainless Steel Thru Deck Drain with Bronze Hose Connection\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GROCO","offers":[{"title":"Default Title","offer_id":46386506760354,"sku":"75395","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/75395XL.jpg?v=1765324987"},{"product_id":"groco-1-1-4-hose-barb-stainless-45-degree-deck-drain-75394","title":"GROCO 1-1\/4\" Hose Barb Stainless 45 Degree Deck Drain MPN - SCUS-1245","description":"\u003cp\u003e\u003cstrong\u003e1-1\/4\" Hose Barb Stainless 45 Degree Deck Drain \u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e45 Degree Barb\u003c\/li\u003e\n\u003cli\u003eScuppers are installed flush with the deck and have a removable drain.\u003c\/li\u003e\n\u003cli\u003e#316 Stainless Steel Thru Deck Drain with Bronze Hose Connection\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GROCO","offers":[{"title":"Default Title","offer_id":46386506727586,"sku":"75394","price":152.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/75394XL.jpg?v=1765324987"},{"product_id":"groco-1-1-4-hose-barb-stainless-90-degree-deck-drain-75396","title":"GROCO 1-1\/4\" Hose Barb Stainless 90 Degree Deck Drain MPN - SCUS-1290","description":"\u003cp\u003e\u003cstrong\u003e1-1\/4\" Hose Barb Stainless 90 Degree Deck Drain \u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e90 Degree Barb\u003c\/li\u003e\n\u003cli\u003eScuppers are installed flush with the deck and have a removable drain.\u003c\/li\u003e\n\u003cli\u003e#316 Stainless Steel Thru Deck Drain with Bronze Hose Connection\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GROCO","offers":[{"title":"Default Title","offer_id":46386506891426,"sku":"75396","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/75396XL.jpg?v=1765324990"},{"product_id":"groco-1-1-2-hose-barb-stainless-straight-deck-drain-75397","title":"GROCO 1-1\/2\" Hose Barb Stainless Straight Deck Drain MPN - SCUS-1500","description":"\u003cp\u003e\u003cstrong\u003e1-1\/2\" Hose Barb Stainless Straight Deck Drain \u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eScuppers are installed flush with the deck and have a removable drain.\u003c\/li\u003e\n\u003cli\u003e#316 Stainless Steel Thru Deck Drain with Bronze Hose Connection\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GROCO","offers":[{"title":"Default Title","offer_id":46386506858658,"sku":"75397","price":156.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/75397XL.jpg?v=1765324990"},{"product_id":"groco-deck-scupper-90-degree-1-1-2-hose-connection-75398","title":"GROCO Deck Scupper 90 Degree 1-1\/2\" Hose Connection MPN - SCUS-1590","description":"\u003cp\u003e\u003cstrong\u003eDeck Scupper 90 Degree 1-1\/2\" Hose Connection\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e90 Degree Barb\u003c\/li\u003e\n\u003cli\u003eScuppers are installed flush with the deck and have a removable drain.\u003c\/li\u003e\n\u003cli\u003e#316 Stainless Steel Thru Deck Drain with Bronze Hose Connection\u003c\/li\u003e\n\u003cli\u003e1-1\/4\" and 1-1\/2\" ID hose connections are offered in straight, 45 degree and 90 degree orientation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GROCO","offers":[{"title":"Default Title","offer_id":46386506989730,"sku":"75398","price":196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/75398XL.jpg?v=1765324992"},{"product_id":"t-h-marine-flow-max-ball-scupper-clear-88080","title":"T-H Marine Flow-Max™ Ball Scupper - Clear MPN - FMS-1-0-DP","description":"\u003cp\u003e\u003cstrong\u003eFlow-Max™ Ball Scupper - Clear\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eReplace your old worn-out flapper scupper with our new Flow-Max™ positive sealing ball scupper. A larger exit hole allows 70% more water drainage than its nearest competitor. Multiple mounting holes make retrofits quick and easy - no filling holes or re-drilling. A neutral buoyancy ball ensures the ball won't float up and break the seal. Meets all ABYC standards.\u003c\/p\u003e\u003cp\u003eThe easy twist-off design makes cleaning debris a snap. Simply twist counterclockwise to remove the ball cavity, clean out and twist back on. Stainless steel security pin provided for added safety.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn out flapper scuppers\u003c\/li\u003e\n\u003cli\u003e70% more drainage than competitive models\u003c\/li\u003e\n\u003cli\u003eTwist off for easy cleaning\u003c\/li\u003e\n\u003cli\u003eRetrofits all hole patterns\u003c\/li\u003e\n\u003cli\u003eThe seal is slotted to fit over 1-1\/4\" motor well tubes\u003c\/li\u003e\n\u003cli\u003e3” Diameter x 2-1\/2” H\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Flow Max Scupper only comes with one screw. The screws that screw it to the boat do not come with it.  They will be different for every boat depending on the hull thickness but you will need a flat head screw.  Screw included is a #4 x 1\/4\" Phillips Pan Head Stainless Steel Screw.\u003c\/p\u003e","brand":"T-H Marine Supplies","offers":[{"title":"Default Title","offer_id":46386890604706,"sku":"88080","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/88080XL.jpg?v=1765331414"},{"product_id":"t-h-marine-straight-barbed-all-purpose-drain-white-94366","title":"T-H Marine Straight Barbed All-Purpose Drain - White MPN - APD-2-DP","description":"\u003cp\u003e\u003cstrong\u003eStraight Barbed All-Purpose Drain - White\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e1-3\/8\" White Concaive Head Drain. These molded drains, available in straight and 90-degree versions, offer a low-cost method to drain water from virtually anywhere. They have a very low-profile concave head to allow complete drainage. Drains mount easily in a 1-3\/8\" diameter hole and are secured with the molded nut that is included. Hose barbs fit a 3\/4\" hose for routing of drainage.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eColor: White\u003c\/li\u003e\n\u003cli\u003eFits Hole Diameter: 1-3\/8\"\u003c\/li\u003e\n\u003cli\u003eWater Connection: 3\/4\" Hose\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"T-H Marine Supplies","offers":[{"title":"Default Title","offer_id":46387148456098,"sku":"94366","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/94366XL.jpg?v=1765335201"},{"product_id":"t-h-marine-large-rectangular-scupper-white-100028","title":"T-H Marine Large Rectangular Scupper - White MPN - LRS-2-DP","description":"\u003cp\u003e\u003cstrong\u003eLarge Rectangular Scupper - White\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis large rectangular scupper is made for quickly draining decks above the waterline.\u0026amp;nbsp;\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCan quickly drain decks\u003c\/li\u003e\n\u003cli\u003eMade for decks above the waterline\u003c\/li\u003e\n\u003cli\u003eMax. drainage for larger boats\u003c\/li\u003e\n\u003cli\u003eEasily clears debris\u003c\/li\u003e\n\u003cli\u003eFits a 2 in. x 5-1\/2 in. opening\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"T-H Marine Supplies","offers":[{"title":"Default Title","offer_id":46387408896162,"sku":"100028","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/100028XL.jpg?v=1765339504"},{"product_id":"3-wht-scupper","title":"Centek Marine 3\" White Scupper MPN - 1200134","description":"\u003cp\u003eCentek Marine 3\" White Scupper is listed in the Mariners Warehouse catalog. Use the verified product identifiers below to compare this item with your application before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Centek Marine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e General\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 1200134\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 676015\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlease confirm fitment, dimensions, and other application requirements before ordering when those details are important to your installation.\u003c\/p\u003e","brand":"Centek Marine","offers":[{"title":"Default Title","offer_id":47336323317922,"sku":"676015","price":77.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/fs_676015_Web2.jpg?v=1784628348"},{"product_id":"thru-hull-scupper-chr-6400258","title":"T-H Marine Thru Hull Scupper Chr MPN - RFTH-2BCP-DP","description":"\u003cp\u003eT-H Marine Thru Hull Scupper Chr is listed in the Mariners Warehouse catalog. Use the verified product identifiers below to compare this item with your application before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e T-H Marine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Installation Equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e RFTH-2BCP-DP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 6400258\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC \/ Barcode:\u003c\/strong\u003e 733572014457\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlease confirm fitment, dimensions, and other application requirements before ordering when those details are important to your installation.\u003c\/p\u003e","brand":"T-H Marine","offers":[{"title":"Default Title","offer_id":47336455143586,"sku":"6400258","price":31.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/fs_6400258_Web2.jpg?v=1784631559"},{"product_id":"thru-hull-scupper-wht-641832","title":"T-H Marine Thru Hull Scupper White MPN - RFTH-2B-DP","description":"\u003cp\u003eT-H Marine Thru Hull Scupper White is listed in the Mariners Warehouse catalog. Use the verified product identifiers below to compare this item with your application before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e T-H Marine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Installation Equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e RFTH-2B-DP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 641832\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC \/ Barcode:\u003c\/strong\u003e 733572035988\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlease confirm fitment, dimensions, and other application requirements before ordering when those details are important to your installation.\u003c\/p\u003e","brand":"T-H Marine","offers":[{"title":"Default Title","offer_id":47336456749218,"sku":"641832","price":25.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/fs_641832_Web2.jpg?v=1784631655"},{"product_id":"flow-max-ball-scupper-247748","title":"T-H Marine Flow Max Ball Scupper MPN - FMS-1-0-DP","description":"\u003cp\u003eT-H Marine Flow Max Ball Scupper is listed in the Mariners Warehouse catalog. Use the verified product identifiers below to compare this item with your application before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e T-H Marine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Installation Equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e FMS-1-0-DP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 247748\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC \/ Barcode:\u003c\/strong\u003e 733572042610\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlease confirm fitment, dimensions, and other application requirements before ordering when those details are important to your installation.\u003c\/p\u003e","brand":"T-H Marine","offers":[{"title":"Default Title","offer_id":47336457404578,"sku":"247748","price":20.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/fs_247748_Web2.jpg?v=1784631675"},{"product_id":"sea-dog-thru-hull-w-scupper-valve-injection-molded-acetel-108453","title":"Sea-Dog Thru-Hull with Scupper Valve - Injection Molded Acetel MPN - 520510-1","description":"\u003cp\u003e\u003cstrong\u003eThru-Hull with Scupper Valve - Injection Molded Acetel\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis Thru-Hull Scupper Valve mounts through the transom and provides a water exit for boats with self-bailing cockpits. Ideal for above the water line drainage. Valve features a soft black flapper that seals to prevent backwash. For use with 1-1\/2\" hose. Compatible with most self-bailing applications. Constructed of injection-molded acetal. Installs with four #6 FH fasteners (included).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 520510-1\u003c\/p\u003e","brand":"Sea-Dog","offers":[{"title":"Default Title","offer_id":47479397974178,"sku":"108453","price":21.15,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/108453XL.jpg?v=1785230537"},{"product_id":"t-m-marine-90-degree-cockpit-scupper-drain-white-113650","title":"T-H Marine Supplies T-M Marine 90-Degree Cockpit Scupper Drain - White MPN - CSD-92-DP","description":"\u003cp\u003e\u003cstrong\u003e90-Degree Cockpit Scupper Drain - White\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis cockpit scupper drain is an affordable and durable solution for draining areas below the waterline. Made from high-strength, UV-stabilized polymer, it features a check ball for effective sealing against reverse water flow and an optional leaf guard to prevent clogging.\u003c\/p\u003e\u003cp\u003eThis cockpit scupper drain provides an inexpensive alternative to items currently available for draining areas where the discharge is below the waterline. This injection-molded part is high-strength and UV-stabilized to provide value and durability. The check ball contained inside the cockpit scupper drain is molded and then ground smooth and round to provide better sealing against reverse water flow that occurs when backing the boat. The leaf guard model has raised ribs on the head to prevent debris (leaves, scales, etc.) from clogging holes.\u003c\/p\u003e\u003cp\u003eThe overall diameter of the mounting flange is 3 9\/16\". The cockpit scupper drain requires a 2 1\/2\" diameter hole for installation and mounts with four (4) number 8 screws (not furnished). The top of the cockpit scupper drain is removable for cleaning. All outlets fit 1 1\/2 inch drain hoses.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCheck the ball inside to prevent water from backing up\u003c\/li\u003e\n\u003cli\u003eMade of high-strength, UV-stabilized polymer\u003c\/li\u003e\n\u003cli\u003eRemovable top screen for easy cleaning\u003c\/li\u003e\n\u003cli\u003eAn optional leaf guard prevents debris from clogging\u003c\/li\u003e\n\u003cli\u003eFits standard 1-1\/2\" drain hoses\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e90-Degree Outlet\u003c\/li\u003e\n\u003cli\u003e1-1\/2\" Hose Diameter\u003c\/li\u003e\n\u003cli\u003eColor: White\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e CSD-92-DP\u003c\/p\u003e","brand":"T-H Marine Supplies","offers":[{"title":"Default Title","offer_id":47480813519010,"sku":"113650","price":65.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3170\/5250\/files\/113650XL.jpg?v=1785237135"},{"product_id":"t-h-marine-recessed-flapper-scupper-drains-white-113702","title":"T-H Marine Recessed Flapper Scupper Drains - White MPN - RFS-2-DP","description":"\u003cp\u003e\u003cstrong\u003eRecessed Flapper Scupper Drains - White\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese innovative push-together scuppers easily snap together to adjust to varying hull thicknesses. The mating ribs lock the pieces together for a secure installation. The male portion can be cut off to accommodate thinner hulls. Available in two different female lengths to accommodate hulls from 1 1\/2\" to 3 5\/8\". Installs in a 1-7\/8\" hole. 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