{"product_id":"attwood-shower-shower-shower-sump-750-24v-pump-4145-1-4boats","title":"Attwood 4145-1 Marine Shower Sump System 750 GPH 24V Standard Box Drainage","description":"\u003c!-- \n  ***********************************************************\n  EBAY LISTING DATA\n  ***********************************************************\n  OPTIMIZED EBAY TITLE (80 Chars): Attwood 4145-1 Marine Shower Sump System 750 GPH 24V Standard Box Drainage\n  SEO NOTES: Grounded in SKU 4145-1 research. Verified 24V specs and Standard Box dimensions. \n  Includes multiple inlet port details and ABYC compliance.\n--\u003e\n\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\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\/\",\n    \"@type\": \"Product\",\n    \"name\": \"Attwood 4145-1 Shower Sump System 750 GPH 24V\",\n    \"description\": \"Premium Attwood 4145-1 Standard Box Shower Sump System. 750 GPH flow rate at 24 Volts. Features multiple inlet ports, clear lid, and internal float switch for automatic operation.\",\n    \"brand\": { \"@type\": \"Brand\", \"name\": \"Attwood\" },\n    \"sku\": \"4145-1\",\n    \"mpn\": \"4145-1\",\n    \"offers\": {\n      \"@type\": \"Offer\",\n      \"url\": \"https:\/\/4boats.co.uk\/products\/attwood-attwood-shower-sump-750-24-volt-4145-1\",\n      \"priceCurrency\": \"GBP\",\n      \"price\": \"{{ product.price | money_without_currency }}\",\n      \"availability\": \"https:\/\/schema.org\/InStock\"\n    }\n  }\n  \u003c\/script\u003e\n\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;\"\u003eAttwood 4145-1 Shower Sump 750 GPH 24V\u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0; font-size: 18px; color: #ecf0f1;\"\u003eStandard Box Automatic Gray Water System\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 25px; border: 1px solid #e0e0e0; border-top: none; background-color: #ffffff;\"\u003e\n    \u003cp style=\"margin-top: 0;\"\u003eThe Attwood 4145-1 Shower Sump System is a high-capacity, 24-volt drainage solution designed to manage grey water from showers and sinks on marine vessels. This \"Standard Box\" unit comes pre-assembled with a powerful 750 GPH pump and an integrated automatic float switch, ensuring efficient water removal without manual intervention. The compact design and multiple inlet options make it a versatile choice for both new installations and direct replacements of legacy Attwood units.\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 Engineered with a clear, gasket-sealed lid to prevent overflows and an internal air vent to eliminate air-locks, providing consistent performance in demanding marine environments.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\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\u003e750 GPH Capacity:\u003c\/strong\u003e High-volume flow for rapid drainage.\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eMulti-Port Inlet:\u003c\/strong\u003e Accommodates 3\/4\", 1\", 1-1\/8\", and 1-1\/2\" hoses.\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eAutomatic Operation:\u003c\/strong\u003e Includes internal float switch.\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eEasy Maintenance:\u003c\/strong\u003e Clear lid and removable mesh strainer for quick inspection.\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eSafety Certified:\u003c\/strong\u003e Meets or exceeds ABYC and USCG standards.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\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;\"\u003e\n        \u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eFlow Rate\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e750 GPH\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;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e24V DC\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;\"\u003eFuse Size\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e2 Amp\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;\"\u003eOutlet Size\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e3\/4\" (19mm)\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;\"\u003eWire Lead\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e22\" (approx. 56cm)\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;\"\u003eBox Dimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e8-1\/8\" W x 4-1\/2\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\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\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;\"\u003eVoltage System\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eMarine Showers\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e24V DC Only\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eIdeal for below-waterline drainage.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eGalley Sinks\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e24V DC Only\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eMultiple inlets allow shared drainage.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eOEM Replacement\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e24V DC Only\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eDirect swap for older Attwood 4145 units.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\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      \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eAttwood MPN\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4145-1\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eAttwood Legacy\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4145\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eOther References\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS750 24V Standard Sump System\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\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;\"\u003eYes, this is a genuine Attwood Marine component, ensuring full compatibility with Attwood plumbing and electrical systems.\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;\"\u003eWe recommend checking the SKU\/MPN (4145-1) and ensuring your vessel operates on a 24V electrical system. This unit is the \"Standard Box\" version.\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 I connect multiple drains to this box?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eYes, the box features multiple inlet ports (3\/4\", 1\", 1-1\/8\", and 1-1\/2\") allowing you to connect several sinks or a shower and sink to the same unit simultaneously.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\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 Please verify your original part number and system voltage (24V) before purchasing. For any technical queries, contact us at 4boats.co.uk.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"4Boats","offers":[{"title":"Default Title","offer_id":56755806699894,"sku":"4145-1","price":119.32,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/8140\/9004\/files\/65132b1e0ea1e9.60464581.jpg?v=1764339081","url":"https:\/\/www.leighnumberplates.com\/products\/attwood-shower-shower-shower-sump-750-24v-pump-4145-1-4boats","provider":"Leigh Number Plates","version":"1.0","type":"link"}