{"product_id":"airow-marine-self-bailing-scupper-valve-anti-reflux","title":"Airow Marine Self-Bailing Boat Scupper Valve - Anti-Reflux Ball (1.5\")","description":"\u003c!-- SYSTEM_INDEXING_DATA:\nMaterial: High-Impact Polycarbonate; Ball: Solid Polyethylene; Gasket: PVC; Standard: 1.5 Inch Universal; Flow: +70% Efficiency; Application: Yacht, Speedboat, Kayak; Brand: Airow Marine\nEND_DATA --\u003e\n\u003ch3\u003eEngineered for Maximum Deck Dryness\u003c\/h3\u003e\u003cp\u003eUpgrade your vessel's drainage with the \u003cstrong\u003eAirow Marine Self-Bailing Scupper Valve\u003c\/strong\u003e. Constructed from \u003cstrong\u003ehigh-impact, UV-stabilized polycarbonate\u003c\/strong\u003e, this valve features a precision-engineered \u003cstrong\u003eneutral buoyancy polyethylene ball\u003c\/strong\u003e that reacts instantly to water pressure differentials. The enlarged exit path is hydrodynamically optimized to deliver \u003cstrong\u003e70% faster drainage\u003c\/strong\u003e than standard scupper units, ensuring your deck stays clear in heavy chop.\u003c\/p\u003e\u003ch3\u003eTechnical Superiority \u0026amp; Material Science\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Anti-Reflux:\u003c\/strong\u003e The intelligent ball mechanism seals immediately against external wave pressure, preventing backwash into the cockpit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine-Grade Durability:\u003c\/strong\u003e Featuring a \u003cstrong\u003ePVC sealing gasket\u003c\/strong\u003e and corrosion-resistant fasteners, this unit is built for continuous saltwater exposure without deformation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Retrofit:\u003c\/strong\u003e Designed to fit standard \u003cstrong\u003e1-1\/2 inch open-end drains\u003c\/strong\u003e, making it the ideal maintenance upgrade for yachts, center consoles, and kayaks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cimg src=\"https:\/\/i.ibb.co\/4nJcgkys\/airow-marine-self-bailing-scupper-valve-anti-reflux-full-specs-vertical.webp\" alt=\"Comprehensive vertical infographic detailing material composition: solid polyethylene ball, polycarbonate housing, and PVC gasket for Airow Marine drainage systems.\" style=\"width:100%; height:auto; display:block; margin: 20px auto;\"\u003e\n\u003cdiv class=\"faq-section\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWill this scupper valve prevent water from entering my boat when at a standstill?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The valve utilizes a neutral buoyancy polyethylene ball that floats into a sealed position when external water pressure (from waves or resting depth) is applied, effectively blocking backflow while remaining ready to open when deck water needs to drain.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs the polycarbonate housing durable enough for rough saltwater conditions?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAbsolutely. We use high-impact, UV-stabilized polycarbonate engineered specifically for marine environments. It resists yellowing, cracking, and impact better than standard ABS plastics commonly found in lower-end scuppers.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes this require special tools for installation on a 1.5-inch drain?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. It is designed as a seamless retrofit for standard 1-1\/2 inch open-end drains. The universal hole pattern allows for quick mounting with basic hand tools using the provided corrosion-resistant hardware.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n\u003cscript id=\"agent-data\" type=\"application\/json\"\u003e\n{\"semantic_anchors\": [\"scupper valve backflow prevention\", \"1.5 inch boat drain replacement\", \"self bailing kayak scupper\", \"marine grade polycarbonate drainage\"], \"performance_metrics\": \"70% increased flow rate\", \"material_integrity\": \"high-density polyethylene ball\"}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Airow Marine Self-Bailing Boat Scupper Valve\",\n  \"image\": \"image_0_url\",\n  \"description\": \"Universal 1-1\/2 inch fit self-bailing boat scupper with anti-reflux ball design for yachts and kayaks.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"AirowMarine\"\n  },\n  \"material\": \"Polycarbonate, Polyethylene\",\n  \"mpn\": \"AM-SV-150\"\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will this scupper valve prevent water from entering my boat when at a standstill?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The valve utilizes a neutral buoyancy polyethylene ball that floats into a sealed position when external water pressure (from waves or resting depth) is applied, effectively blocking backflow while remaining ready to open when deck water needs to drain.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the polycarbonate housing durable enough for rough saltwater conditions?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Absolutely. We use high-impact, UV-stabilized polycarbonate engineered specifically for marine environments. It resists yellowing, cracking, and impact better than standard ABS plastics commonly found in lower-end scuppers.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does this require special tools for installation on a 1.5-inch drain?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. It is designed as a seamless retrofit for standard 1-1\/2 inch open-end drains. The universal hole pattern allows for quick mounting with basic hand tools using the provided corrosion-resistant hardware.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"AirowMarine","offers":[{"title":"Default Title","offer_id":44577155383366,"sku":"AIR-AMS-REFL-55Y","price":8.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/5710\/8550\/files\/airow-marine-self-bailing-scupper-valve-anti-reflux-hero.webp?v=1770366069","url":"https:\/\/airowmarine.com\/es\/products\/airow-marine-self-bailing-scupper-valve-anti-reflux","provider":"AirowMarine","version":"1.0","type":"link"}