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SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector with Thermal, Sounder, and Base - Smoke Detectors - Amazon.com
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System Sensor 4WTA-B I3 Series 4-Wire Photoelectric Smoke Thermal with Sounder . 783863019982 | eBay
![SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector with Thermal, Sounder, and Base - Smoke Detectors - Amazon.com SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector with Thermal, Sounder, and Base - Smoke Detectors - Amazon.com](https://m.media-amazon.com/images/I/411VxVYgaML._AC_UF894,1000_QL80_.jpg)
SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector with Thermal, Sounder, and Base - Smoke Detectors - Amazon.com
![SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector with Thermal, Sounder, and Base - Smoke Detectors - Amazon.com SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector with Thermal, Sounder, and Base - Smoke Detectors - Amazon.com](https://m.media-amazon.com/images/I/71pZoxt84PL.jpg)
SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector with Thermal, Sounder, and Base - Smoke Detectors - Amazon.com
![System Sensor 4WTA-B Photoelectric i3 Series Smoke Detector, 4-Wire, With Thermal Sensor and Built-In Sounder, White System Sensor 4WTA-B Photoelectric i3 Series Smoke Detector, 4-Wire, With Thermal Sensor and Built-In Sounder, White](https://cdn.adiglobaldistribution.us/pim/500X500/10035/BK-4WTAB_lg.jpg)
System Sensor 4WTA-B Photoelectric i3 Series Smoke Detector, 4-Wire, With Thermal Sensor and Built-In Sounder, White
![System Sensor 4WTA-B Photoelectric i3 smoke detector is a 4-wire, photoelectric i3 smoke detector with thermal sensor and built-in sounder. System Sensor 4WTA-B Photoelectric i3 smoke detector is a 4-wire, photoelectric i3 smoke detector with thermal sensor and built-in sounder.](https://www.bsasi.com/media/catalog/product/cache/0f4a8e197b98b783479fbfa854d2ea11/2/w/2wta-b_4wta-b_4wtar-b_4witar-b_ceiling_4.png)
System Sensor 4WTA-B Photoelectric i3 smoke detector is a 4-wire, photoelectric i3 smoke detector with thermal sensor and built-in sounder.
![SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector with Thermal, Sounder, and Base - Smoke Detectors - Amazon.com SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector with Thermal, Sounder, and Base - Smoke Detectors - Amazon.com](https://m.media-amazon.com/images/I/81tvCLO-nbL._AC_UF350,350_QL80_.jpg)
SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector with Thermal, Sounder, and Base - Smoke Detectors - Amazon.com
![SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector with Thermal, Sounder, and Base - Smoke Detectors - Amazon.com SYSTEM SENSOR 4WTA-B 4WTAB 12/24 VDC, Photoelectric Smoke Detector with Thermal, Sounder, and Base - Smoke Detectors - Amazon.com](https://m.media-amazon.com/images/I/71cKadcuuaL._AC_UF350,350_QL80_.jpg)