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System Sensor

System Sensor 2WT-B Smoke & Thermal 2 Wire

System Sensor 2WT-B Smoke & Thermal 2 Wire

Regular price $61.20 USD
Regular price Sale price $61.20 USD
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The 2WT-B is a 2-wire, photoelectric i3 smoke detector with a 135°F fixed thermal sensor.

Standard conventional 2 wire System Sensor,

System Sensor 2WT-B Smoke & Thermal 2 Wire Detector

The System Sensor 2WT-B Smoke & Thermal 2 Wire Detector is designed to provide advanced security and safety. It’s a high-performance smoke and thermal detector that integrates seamlessly into your existing alarm system. This device ensures the highest levels of protection because it combines both smoke and thermal sensor capabilities in a single unit.

  • 0.5 A @ 30V AC/DC
  • 20mA max. @ 12V, 23mA @ 24V
  • Photoelectric
  • 2.0" (51mm) H x 5.3" (127mm) Dia.
  • 41°F (5°C)
  • 135°F (57.2°C) fixed
  • 30% of nominal (peak to peak)
  • 0% to 95% RH, non-condensing
  • 32° to 100°F (0° to 37.8°C)
  • 12/24 V non-polarized nominal, 8.5 min. to 35 max.
  • 2.5%/ft. nominal
  • 50 µA max. avg.
  • 6.3 oz. (178 g)
  • 14-22 AWG

One of the key features of the System Sensor 2WT-B is its dual detection capabilities. It not only detects smoke but also senses any rapid increases in temperature, enhancing its ability to warn you of potential fire hazards quickly. This means you can rely on its accuracy and responsiveness, ensuring you get timely alerts in case of fire emergencies.


When it comes to installation, the System Sensor 2WT-B stands out with its easy 2 wire design. This simplifies the setup process, making it more accessible even if you’re not particularly tech-savvy. Additionally, this smoke & thermal detector is built to integrate smoothly with various alarm system brands, making it a versatile choice for homeowners and businesses alike.


Durability is another hallmark of the System Sensor 2WT-B. It is designed to operate reliably in a wide range of environmental conditions, so you can trust it to function effectively whether you are in a temperate or more extreme climate. With built-in features that minimize false alarms, this detector ensures you won't be disturbed unnecessarily, allowing you to focus on actual emergencies.


In conclusion, investing in the System Sensor 2WT-B Smoke & Thermal 2 Wire Detector is a smart decision for anyone looking to enhance their security alarm system. With its dual detection capabilities, easy installation process, and reliable performance, it offers comprehensive safety solutions for your home or business. Protecting your property and loved ones from fire hazards has never been easier.

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