{"product_id":"system-sensor-2wt-b-i3-2-wire-smoke-heat-detector","title":"System Sensor 2WT-B i3 2-Wire Smoke and Heat Detector","description":"\u003ch2\u003eSystem Sensor 2WT-B Photoelectric i3 Series Smoke and Heat Detector, 2-Wire, 135°F Fixed Thermal Sensor, White (Replaces 2100T)\u003c\/h2\u003e\n\u003cp\u003eThe System Sensor 2WT-B is a 2-wire photoelectric smoke and heat detector from the innovative i3 Series, designed to provide reliable fire detection while simplifying installation, testing, and long-term maintenance. Replacing the 2100T, this detector combines advanced photoelectric smoke sensing with a \u003cstrong\u003e135°F (57°C) fixed-temperature thermal sensor\u003c\/strong\u003e to deliver dependable protection for a wide range of commercial and residential applications.\u003c\/p\u003e\n\u003cp\u003eIts advanced optical sensing chamber provides fast detection of visible smoke while reducing nuisance alarms caused by dust and airborne contaminants. The integrated fixed-temperature heat sensor offers an additional layer of fire protection, making the 2WT-B suitable for areas where both smoke and heat detection are desirable.\u003c\/p\u003e\n\u003cp\u003eDesigned for installer convenience, the 2WT-B features a plug-in design with a large wire entry port that allows clean, efficient wiring. The detector is compatible with multiple mounting methods and includes wide-angle red and green LEDs that provide clear visual indication of detector status, including normal operation, alarm, maintenance, out-of-sensitivity, and freeze trouble conditions.\u003c\/p\u003e\n\u003cp\u003eAs part of the System Sensor i3 Series, the 2WT-B incorporates intelligent drift compensation and smoothing algorithms that continuously adjust detector sensitivity to help reduce nuisance alarms and extend maintenance intervals. When used with the optional 2W-MOD2 maintenance module or compatible fire alarm control panels supporting the i3 protocol, additional features such as EZ Walk Loop Test and remote maintenance indication further simplify system testing and servicing.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2-wire photoelectric smoke and heat detector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReplaces the System Sensor 2100T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e135°F (57°C) fixed-temperature thermal sensor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdvanced photoelectric smoke sensing technology\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntelligent drift compensation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmoothing algorithms reduce nuisance alarms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlug-in design for fast installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge wire entry port for neat wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWide-angle red and green LED status indicators\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOut-of-sensitivity and maintenance indication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFreeze trouble indication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with the optional 2W-MOD2 maintenance module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEZ Walk Loop Test capability with compatible systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with i3 protocol fire alarm panels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGenuine System Sensor i3 Series detector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eThe System Sensor 2WT-B is ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOffice buildings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSchools and universities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHotels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHospitals and healthcare facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApartment buildings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRetail stores\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWarehouses\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResidential buildings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommercial buildings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConventional fire alarm systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eManufacturer: System Sensor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModel: 2WT-B\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProduct Series: i3 Series\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProduct Type: Photoelectric Smoke and Heat Detector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWiring: 2-wire\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDetection Method: Photoelectric Smoke and Fixed Temperature Heat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFixed Temperature Rating: 135°F (57°C)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHousing Color: White\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstallation: Indoor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMounting: Plug-in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLED Indicators: Red and Green, wide-angle visibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintenance Features: Drift compensation and automatic sensitivity monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptional Accessories: 2W-MOD2 Maintenance Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSpecial Features: EZ Walk Loop Test, remote maintenance indication, freeze trouble monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReplacement For: 2100T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompliance: UL 268 and UL 521\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose the System Sensor 2WT-B?\u003c\/h2\u003e\n\u003cp\u003eThe System Sensor 2WT-B combines dependable photoelectric smoke detection with a \u003cstrong\u003e135°F fixed-temperature heat sensor\u003c\/strong\u003e in a single, intelligent detector. Its i3 Series technology minimizes nuisance alarms through automatic drift compensation while simplifying maintenance with built-in diagnostics and compatibility with EZ Walk Loop Test. Easy installation, reliable performance, and advanced maintenance features make the 2WT-B an excellent choice for protecting commercial and residential properties.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":43132793848032,"sku":"2WT-B","price":53.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/7186\/5312\/products\/system-sensor-smoke-detectors-default-title-system-sensor-2wt-b-smoke-and-heat-detector-2-wire-31897158156512.jpg?v=1763279410","url":"https:\/\/thefirealarmsupplier.com\/products\/system-sensor-2wt-b-i3-2-wire-smoke-heat-detector","provider":"The Fire Alarm Supplier","version":"1.0","type":"link"}