{"product_id":"sje-signalmaster-narrow-angle-float-switch-mechanically-activated-pump-control-switch-normally-open-closed-options","title":"SJE SignalMaster Narrow-Angle Float Switch – Mechanically Activated Pump Control Switch, Normally Open \/ Normally Closed Options","description":"\u003ch2\u003eMechanically Activated Narrow-Angle Float Switch for Precise Liquid Level Control in Sewage, Water, and Pump Panel Applications\u003c\/h2\u003e\n\n\u003cp\u003eWhen a pump control panel needs a precise on\/off signal from tight water-level changes, the SJE SignalMaster narrow-angle float switch handles it. The mechanically activated 1.5\" control differential delivers reliable snap-action switching for high-level alarms, low-level shutdown, and pump start\/stop in sewage and water applications.\u003c\/p\u003e\n\n\u003ch3\u003eQuick Specs\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Mechanically activated narrow-angle control switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigurations:\u003c\/strong\u003e Normally Open (yellow cap) or Normally Closed (white cap)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Lengths Available:\u003c\/strong\u003e 10 ft and 20 ft (18 AWG, 2-conductor SJOW)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Differential:\u003c\/strong\u003e 1.5\" above or below the horizontal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical:\u003c\/strong\u003e 5 amps at 125\/250 VAC, 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloat Material:\u003c\/strong\u003e High-impact polypropylene (corrosion-resistant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloat Size:\u003c\/strong\u003e 2.74\" diameter x 4.83\" length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e UL Listed (water and sewage), CSA Certified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 5-Year Limited\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features of the SJE SignalMaster Narrow-Angle Float Switch\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eMechanically activated snap-action contacts deliver consistent, repeatable switching without mercury, meeting jurisdictions that restrict mercury float switches.\u003c\/li\u003e\n\n\u003cli\u003eThe narrow 1.5\" control differential provides precise liquid level control in confined sumps, basins, and lift stations where wide-angle \u003ca href=\"https:\/\/cleanflow.net\/collections\/float-switches-and-accessories\"\u003efloat switches\u003c\/a\u003e overshoot.\u003c\/li\u003e\n\n\u003cli\u003eColor-coded caps for fast identification on multi-float installs: yellow = normally open (high level), white = normally closed (low level).\u003c\/li\u003e\n\n\u003cli\u003eRotation-insensitive design means the float operates correctly regardless of how it spins on its tether, resulting in fewer service calls from twisted cables.\u003c\/li\u003e\n\n\u003cli\u003eHigh-impact polypropylene housing resists corrosion in raw sewage, effluent, and non-potable water at temperatures up to 140°F.\u003c\/li\u003e\n\n\u003cli\u003eSubmersible to 30 feet (9 m) at 13 PSI for deep-well and lift-station service.\u003c\/li\u003e\n\n\u003cli\u003eCompatible with simplex and duplex pump control panels (including the \u003ca href=\"https:\/\/cleanflow.net\/products\/sje-nex-series-simplex-pump-control-panel-single-phase-120-208-240v-nema-4x-enclosure-with-alarm-system\"\u003eSJE NEX Series simplex panel\u003c\/a\u003e), and with high-water alarm systems requiring a dry-contact input.\u003c\/li\u003e\n\n\u003cli\u003eIncludes mounting clamp for pipe-mount installs; \u003ca href=\"https:\/\/cleanflow.net\/products\/sje-adjustable-float-switch-cable-weight\"\u003eexternally weighted\u003c\/a\u003e variants available for suspended applications (sold separately).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSJE Rhombus\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSignalMaster®\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitch Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMechanically activated, snap-action contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNormally Open (high level, pump-down) yellow cap; Normally Closed (low level, pump-up) white cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Differential\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 inches (4 cm) above or below the horizontal\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 amps at 125\/250 VAC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 AWG, 2-conductor SJOW (UL, CSA), water-resistant CPE jacket\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Lengths Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ft and 20 ft (manufacturer also offers 15 ft and 30 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFloat Housing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-impact polypropylene, corrosion-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFloat Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.74\" diameter x 4.83\" length (7.0 x 12.3 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Liquid Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e140°F (60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Depth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 ft (9 m), 13 PSI (90 kPa) — IPX8\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting clamp included (pipe-mount); externally weighted variant available separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotation Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot sensitive to rotation\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApproved Media\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSewage, wastewater, and non-potable water\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNot Recommended For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrical loads under 100 mA, 12 VAC, or non-arcing electrical loads\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL Listed for water and sewage; CSA Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInstalls per NEC \/ ANSI\/NFPA 70 — qualified electrician required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerformance Overview\u003c\/h3\u003e\n\n\u003cp\u003eIn a normally open install, the float closes the circuit when it tips above horizontal, and the pump turns on at high level. Normally closed reverses that for pump-up or low-level shutdown.\u003c\/p\u003e\n\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1016\/5405\/files\/SJE_SignalMaster_Narrow-Angle_Float_Switch.png?v=1778320430\" alt=\"SJE SignalMaster Narrow-Angle Float Switch\"\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Materials\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFloat Housing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-impact polypropylene, sealed against sewage and wastewater ingress\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitch Mechanism\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMechanically activated micro-switch, no mercury, no glass tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Jacket\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSJOW water-resistant CPE for outdoor and submerged service\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Conductors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 AWG, 2-conductor (UL, CSA listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor Cap\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYellow (NO) or White (NC) molded into housing for permanent identification\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Hardware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18-8 stainless steel hose clamp included with pipe-clamp variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIngress Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIPX8 to 10 m water depth\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuitable Installation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCategory II, rated to 60°C, double-insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eSewage and wastewater systems pump-down control on residential and light-commercial lift stations\u003c\/li\u003e\n\u003cli\u003eSimplex and duplex pump control panels (factory-paired with the SJE NEX Series simplex panel as stop, start, and alarm floats)\u003c\/li\u003e\n\u003cli\u003eHigh-level alarm float for tank alarm systems and overflow protection\u003c\/li\u003e\n\u003cli\u003eLow-level shutdown protection for pumps to prevent dry-running and motor damage\u003c\/li\u003e\n\u003cli\u003eLift stations, dose tanks, and effluent basins where precise on\/off control matters\u003c\/li\u003e\n\u003cli\u003eReplacement float for existing SJE installs and competitor narrow-angle controls\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the SJE SignalMaster Narrow-Angle Float Switch?\u003c\/h3\u003e\n\n\u003cp\u003eThe SignalMaster is the float SJE Rhombus, which pairs with its own NEX Series simplex and duplex panels. Installers ordering replacement floats for SJE-equipped lift stations get a known-good fit. The 1.5\" differential, snap-action mechanical switching, and rotation-insensitive design hold up in real wastewater service.\u003c\/p\u003e\n\n\u003ch3\u003eBuy SJE SignalMaster Narrow-Angle Float Switches Online from Cleanflow\u003c\/h3\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cleanflow.net\/\"\u003eCleanflow\u003c\/a\u003e stocks SignalMaster as a recognized \u003ca href=\"https:\/\/cleanflow.net\/collections\/sje-rhombus\"\u003eSJE Rhombus\u003c\/a\u003e distributor and ships across Canada and the USA. Add to cart, or contact the Cleanflow team to confirm cable length and float configuration for your install.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFor multi-float installs running stop, start, and alarm sequences, pair this float with the \u003ca href=\"https:\/\/cleanflow.net\/products\/sje-stainless-steel-four-float-bracket\"\u003eSJE stainless steel four-float bracket\u003c\/a\u003e to keep cables organized and floats properly spaced.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdiv itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eWhat is a narrow-angle float switch?\u003c\/h4\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eA float switch that activates with minimal movement, about 1.5 inches above or below horizontal, instead of the larger swing required by wide-angle floats. Narrow-angle floats are used as control switches in tight basins or where precise on\/off levels matter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eWhat's the difference between normally open and normally closed?\u003c\/h4\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eNormally Open (NO, yellow cap): the switch closes when the float tips above horizontal, used for high-level alarms and pump-down control. Normally Closed (NC, white cap): the switch closes when the float drops below horizontal, used for low-level shutdown or pump-up filling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eWhich cable length should I order — 10 ft or 20 ft?\u003c\/h4\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eMatch cable length to the distance between the float position in the basin and the pump control panel or junction box, with a few feet of slack. 10 ft suits short residential runs; 20 ft covers most lift-station and septic tank installs. Splicing inside a sealed junction box is acceptable per the installation manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eIs this switch suitable for sewage applications?\u003c\/h4\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eYes. The polypropylene housing and SJOW cable are rated for sewage and non-potable water up to 140°F (60°C), submersible to 30 ft. UL Listed for water and sewage, CSA Certified.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eDoes it work with my SJE NEX Series simplex pump control panel?\u003c\/h4\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eYes, SJE SignalMaster is the standard control switch SJE Rhombus pairs with its NEX Series panels. Three SignalMaster floats wire to the panel as stop, start, and alarm. Cleanflow also stocks the NEX panel package with floats included, if you need both.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eCan it control low-voltage circuits?\u003c\/h4\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eNo. The switch is not recommended for electrical loads under 100 milliamps, 12 VAC, or non-arcing loads. For low-current AC\/DC potable water control, look at the SJE MilliAmpMaster WPS.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eCan the float be suspended from above instead of being pipe-mounted?\u003c\/h4\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eThe SKU listed here includes a stainless steel mounting clamp for pipe-mount installs. SJE also offers an externally weighted variant (SGMWENO \/ SGMWENC) for suspended applications. Contact Cleanflow if you need that configuration. For suspended installs without pipe-mount access, use an \u003ca href=\"https:\/\/cleanflow.net\/collections\/pump-accessories\/products\/sje-adjustable-float-switch-cable-weight\"\u003eadjustable float switch cable weight\u003c\/a\u003e to create a precise pivot point and set the switch activation level.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eWhat is the warranty?\u003c\/h4\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eSJE Rhombus backs the SignalMaster with a 5-Year Limited Warranty. Installation must follow the SJE installation instructions and applicable electrical codes (NEC \/ ANSI NFPA-70, plus provincial and local) by a licensed electrician.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"SJE Rhombus","offers":[{"title":"Normally Open - 10-Ft Cable","offer_id":53630745149804,"sku":"1006042","price":71.74,"currency_code":"CAD","in_stock":true},{"title":"Normally Open - 20-Ft Cable","offer_id":53630745182572,"sku":"1006044","price":100.12,"currency_code":"CAD","in_stock":true},{"title":"Normally Closed - 10-Ft Cable","offer_id":53630745215340,"sku":"1006046","price":71.74,"currency_code":"CAD","in_stock":true},{"title":"Normally Closed - 20-Ft Cable","offer_id":53630745248108,"sku":"1006048","price":100.12,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1016\/5405\/files\/SJE_SignalMaster_Narrow.png?v=1778320612","url":"https:\/\/cleanflow.net\/products\/sje-signalmaster-narrow-angle-float-switch-mechanically-activated-pump-control-switch-normally-open-closed-options","provider":"Cleanflow","version":"1.0","type":"link"}