System Sensor 2WTA-B i3 Series 2-wire Photoelectric Smoke Detector With Sounder
The System Sensor 2WTA-B is a two wire smoke detector that features a built-in 135 degree heat detector as well as an on-board sounder. The heat detector in this unit will trip if the temperature reaches 135 degrees.
Smoke detector, 12/24 V, Photo W/Thermal, Audible, 2-Wire, System Sensor #2WTA-B
Smoke Detector Head & Base. Conventional, Photoelectric, W/Thermal, Audible, 2-Wire. System Sensor Model #2WTA-B. These detectors have never been out of their boxes. Still in Factory Shrink Wrapping.