{"product_id":"neptune-liquid-level-sensor-4-15-23-35","title":"Neptune Liquid Level Sensor 4\" \/ 15\" \/ 23\" \/ 35\"","description":"\u003ch2\u003e\u003cspan\u003eNeptune Systems Liquid Level Sensors (4\", 15\", 23\", 35\")\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003ePrecise Water Level Monitoring for Safer, Smarter Aquarium Automation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeptune Systems Liquid Level Sensors\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e are high-precision optical sensors designed to monitor water levels in sumps, reservoirs, and aquarium systems. When connected to the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNeptune FMM (Fluid Monitoring Module)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e or compatible Apex system, these sensors provide real-time detection of rising or falling water levels, enabling reliable automation for top-off systems, overflow protection, and reservoir management.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAvailable in multiple lengths—\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4\", 15\", 23\", and 35\"\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e—these sensors offer flexible installation options for different tank sizes and mounting positions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eAvailable Sizes\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eLength\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eBest Use Case\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e4\" Sensor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 inches\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSmall chambers, tight sump sections\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e15\" Sensor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15 inches\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard sump compartments\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e23\" Sensor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e23 inches\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMedium to large reservoirs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e35\" Sensor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e35 inches\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLarge tanks and deep sumps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eGenuine Neptune Systems optical level sensors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-precision infrared detection technology\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMultiple length options for flexible installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConnects directly to the FMM (Fluid Monitoring Module)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNo moving parts for high reliability and long lifespan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eResistant to saltwater corrosion and buildup\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact design for discreet installation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"reef depot","offers":[{"title":"4\"","offer_id":45147267760243,"sku":null,"price":105.0,"currency_code":"SGD","in_stock":false},{"title":"15\"","offer_id":45147267793011,"sku":null,"price":139.0,"currency_code":"SGD","in_stock":false},{"title":"23\"","offer_id":45147267825779,"sku":null,"price":179.0,"currency_code":"SGD","in_stock":false},{"title":"35\"","offer_id":45147267858547,"sku":null,"price":219.0,"currency_code":"SGD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0058\/7074\/7763\/files\/LLS_family_horizontal__62018.jpg?v=1782973544","url":"https:\/\/aquatics.sg\/products\/neptune-liquid-level-sensor-4-15-23-35","provider":"Specialised Aquatics","version":"1.0","type":"link"}