{"product_id":"seaflo-composite-nrv-in-line-19-25-mm-3-4boats","title":"Seaflo Composite Non-Return Valve Straight 3\/4 Inch-1 Inch","description":"\u003c!-- \n  ***********************************************************\n  EBAY LISTING DATA\n  ***********************************************************\n  OPTIMIZED EBAY TITLE (80 Chars): Seaflo Non-Return Valve 3\/4\" 1\" Straight Marine Bilge Check Valve INV1Z10001\n  SEO NOTES: Research confirmed SKU INV1Z10001 (SFINV1-Z100-01). Features stepped hose barbs for 19mm and 25mm. Composite glass-filled nylon construction.\n--\u003e\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.6; color: #333333; max-width: 900px; margin: 0 auto;\"\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\/\",\n    \"@type\": \"Product\",\n    \"name\": \"Seaflo Composite Non-Return Valve Straight 3\/4\\\" - 1\\\"\",\n    \"description\": \"Premium Seaflo composite in-line check valve designed to prevent backflow in marine bilge and plumbing systems. Features a serviceable unscrewing body for easy maintenance.\",\n    \"brand\": { \"@type\": \"Brand\", \"name\": \"4Boats \/ Aftermarket\" },\n    \"sku\": \"INV1Z10001\",\n    \"mpn\": \"SFINV1-Z100-01\",\n    \"offers\": {\n      \"@type\": \"Offer\",\n      \"url\": {{ shop.url | append: product.url | json }},\n      \"priceCurrency\": \"GBP\",\n      \"price\": {{ product.price | divided_by: 100.00 | json }},\n      \"availability\": \"https:\/\/schema.org\/InStock\"\n    }\n  }\n  \u003c\/script\u003e\n\u003cdiv style=\"background-color: #2c3e50; color: #ffffff; padding: 40px 20px; text-align: center; border-radius: 6px 6px 0 0;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; letter-spacing: 1px; text-transform: uppercase; color: #ffffff;\"\u003eSeaflo Straight Non-Return Valve (3\/4\" - 1\")\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 18px; color: #ecf0f1;\"\u003eSKU: INV1Z10001 | Professional Grade Marine Plumbing\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 25px; border: 1px solid #e0e0e0; border-top: none; background-color: #ffffff;\"\u003e\n\u003cp style=\"margin-top: 0;\"\u003eThis Seaflo Composite Non-Return Valve (NRV) is an essential component for marine bilge and wastewater systems. Designed to prevent the backflow of water into the bilge—which can cause \"short-cycling\" of automatic pumps—it ensures your system operates at peak efficiency. The straight, in-line design is ideal for installation in narrow areas or direct pipeline runs.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f8f9fa; border-left: 5px solid #27ae60; padding: 15px; margin: 20px 0;\"\u003e\n\u003cstrong style=\"color: #27ae60;\"\u003eRELIABILITY:\u003c\/strong\u003e Manufactured from UV-stabilized glass-fiber reinforced nylon (PA6+GF) for exceptional corrosion and chemical resistance in harsh saltwater environments.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; margin-top: 20px; gap: 20px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n\u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eServiceable Design:\u003c\/strong\u003e Middle section unscrews for quick cleaning.\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eDual Size Fitment:\u003c\/strong\u003e Stepped barbs for 19mm (3\/4\") \u0026amp; 25mm (1\") hose.\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eCorrosion Proof:\u003c\/strong\u003e Composite polymer body won't rust or seize.\u003c\/li\u003e\n\u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eOne-Way Flow:\u003c\/strong\u003e Reliable internal seal prevents reverse drainage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n\u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eTechnical Specs\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eManufacturer MPN\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003eSFINV1-Z100-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003ePA6 + GF + POM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eLength\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e125 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eBody Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eHose Sizes\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e19mm (3\/4\") \/ 25mm (1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eColor\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003eBlack \u0026amp; Orange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eCompatibility \/ Fitment Guide\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #ecf0f1;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eApplication\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eSystem Type\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eHose ID\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMarine Bilge\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eDischarge Lines\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e19mm or 25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRV \/ Campervan\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGrey Water \/ Sump Drainage\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3\/4\" or 1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eLivewell \/ Baitwell\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003ePlumbing intake\/exhaust\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e19mm or 25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eOEM Cross Reference\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eWhale Reference\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eLV1215 (Similar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eRule Reference\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e606 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eSheridan Marine\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eWA321A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eInternal SKU\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eINV1Z10001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- QUESTIONS \u0026 ANSWERS SECTION --\u003e\n\u003cdiv style=\"margin-top: 30px; background-color: #fcfcfc; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px;\"\u003e\n\u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eQuestions \u0026amp; Answers\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eIs this a genuine original part?\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eThis is a premium quality Seaflo aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for marine and RV plumbing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eHow do I know if it is compatible?\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eCheck your hose inner diameter (ID). If you are using standard 19mm (3\/4\") or 25mm (1\") marine hose, this valve is a direct fit. Ensure the flow arrow on the body points away from the pump.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 0;\"\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eCan the internal valve be cleaned if it gets blocked?\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eYes, this model features a threaded mid-connector. You can simply unscrew the body to inspect the internal seal and remove debris without having to pull the hoses off the barbs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px; text-align: center; font-size: 14px; color: #7f8c8d; border-top: 1px solid #eee; padding-top: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Not recommended for use with fuels or strong acids. Designed for water drainage systems. Please verify your hose size before ordering.\u003c\/p\u003e\n\u003cp\u003e4Boats \/ 4boats.co.uk - Quality Marine Equipment\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"4Boats","offers":[{"title":"Default Title","offer_id":56755559694710,"sku":"INV1Z10001","price":11.47,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/8140\/9004\/files\/OIP_1e70172a-7e62-45b9-9049-cfa02c497711.jpg?v=1769508019","url":"https:\/\/www.leighnumberplates.com\/products\/seaflo-composite-nrv-in-line-19-25-mm-3-4boats","provider":"Leigh Number Plates","version":"1.0","type":"link"}