{"product_id":"stainless-steel-vertical-float-switch-water-level-sensor","title":"Stainless Steel Vertical Float Switch – Water Level Sensor","description":"\n\u003ch2\u003eHELTC Mini Vertical Float Switch – Reliable Water Level Detection\u003c\/h2\u003e\n\u003cp\u003eTake full control of your tank or reservoir with the \u003cstrong\u003eHELTC Mini Indicator Vertical Water Level Sensor Stainless Steel Float Switch\u003c\/strong\u003e. Built with durable stainless steel (SUS), this compact float switch delivers accurate, interference-free liquid level monitoring with no complex circuitry required. Whether you're managing a water tank, sump, chemical vessel, or drainage system, this sensor installs quickly and performs consistently across a wide range of environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel SUS – corrosion-resistant and long-lasting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e Approximately 30 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Temperature:\u003c\/strong\u003e -30°C to +125°C (-22°F to +257°F)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Silver Tone\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e 65mm, 100mm, 150mm, 200mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Vertical – installs at the top or base of your tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Float Switch?\u003c\/h3\u003e\n\u003cp\u003eThe simple mechanical design means there are no electronics to fail or signals to interfere with. Simply select the right size for your application, mount it at the desired point in your tank, and let the float do the rest. Install at the \u003cstrong\u003etop of the tank\u003c\/strong\u003e to detect a rising water level, or at the \u003cstrong\u003ebase\u003c\/strong\u003e to detect a falling level — giving you complete flexibility for fill and drain control or alarm triggering.\u003c\/p\u003e\n\n\u003ch3\u003eWide Range of Applications\u003c\/h3\u003e\n\u003cp\u003eThis versatile float switch is widely used across many industries and DIY plumbing projects, including:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eResidential and commercial water tanks\u003c\/li\u003e\n  \u003cli\u003eWater treatment and drainage systems\u003c\/li\u003e\n  \u003cli\u003eChemical and industrial liquid storage\u003c\/li\u003e\n  \u003cli\u003eElectronic and electrical equipment\u003c\/li\u003e\n  \u003cli\u003eAquarium and pond level monitoring\u003c\/li\u003e\n  \u003cli\u003eIrrigation and garden water management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications at a Glance\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eHELTC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eFloating Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eStainless Steel SUS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e~30 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e-30°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSizes Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e65mm, 100mm, 150mm, 200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBattery Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × HELTC Mini Indicator Vertical Water Level Sensor Stainless Steel Float Switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more home improvement and plumbing essentials? Check out our \u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-poster-inspirational-quote\"\u003e\"1% Better Every Day\" Motivational Canvas Poster\u003c\/a\u003e for workshop inspiration, or browse our full range of tools and hardware for your next DIY project.\u003c\/p\u003e\n\n\u003cp\u003eFor guidance on safe water system standards and plumbing best practices, visit the \u003ca href=\"https:\/\/www.epa.gov\/watersense\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eU.S. EPA WaterSense Program\u003c\/a\u003e for authoritative water efficiency and management resources.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What sizes does the HELTC vertical float switch come in?\u003c\/h4\u003e\n\u003cp\u003eA: The HELTC Mini Vertical Float Switch is available in four sizes: 65mm, 100mm, 150mm, and 200mm, making it suitable for a wide variety of tank depths and installation requirements.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this stainless steel float switch be used in chemical or industrial liquids?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Thanks to its stainless steel SUS construction and wide operating temperature range (-30°C to +125°C), this float switch is suitable for use with water, certain chemicals, and various industrial liquids. Always verify material compatibility with your specific liquid before installation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I install the vertical water level sensor — at the top or bottom of my tank?\u003c\/h4\u003e\n\u003cp\u003eA: This float switch can be mounted either at the top or the base of your tank. Install it at the top to detect a rising liquid level (e.g., to trigger a shutoff when the tank is full), or at the base to detect a falling level (e.g., to trigger a pump or alarm when levels drop low).\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this float switch require any external power or batteries?\u003c\/h4\u003e\n\u003cp\u003eA: No batteries are included or required for the switch mechanism itself. The float switch operates purely on mechanical principles — as the float rises or falls with the liquid level, it opens or closes the circuit via the connected cable. You will need to wire it into your own control circuit or alarm system.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What sizes does the HELTC vertical float switch come in?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The HELTC Mini Vertical Float Switch is available in four sizes: 65mm, 100mm, 150mm, and 200mm, making it suitable for a wide variety of tank depths and installation requirements.\"}}, {\"@type\": \"Question\", \"name\": \"Can this stainless steel float switch be used in chemical or industrial liquids?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Thanks to its stainless steel SUS construction and wide operating temperature range (-30°C to +125°C), this float switch is suitable for use with water, certain chemicals, and various industrial liquids. Always verify material compatibility with your specific liquid before installation.\"}}, {\"@type\": \"Question\", \"name\": \"How do I install the vertical water level sensor — at the top or bottom of my tank?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This float switch can be mounted either at the top or the base of your tank. Install it at the top to detect a rising liquid level (e.g., to trigger a shutoff when the tank is full), or at the base to detect a falling level (e.g., to trigger a pump or alarm when levels drop low).\"}}, {\"@type\": \"Question\", \"name\": \"Does this float switch require any external power or batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No batteries are included or required for the switch mechanism itself. The float switch operates purely on mechanical principles — as the float rises or falls with the liquid level, it opens or closes the circuit via the connected cable. 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