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Includes a built-in 135°F (57°C) fixed-temperature thermal device
common trouble
Since this detector is addressable
4-wire smoke detectors
Sensitivity is continuously monitored and reported to the panel
System Sensor 1451 Ionization Smoke Detector FST-951H-IV Includes a built-in 135°F (57°C)The System Sensor 400 Series plug in ionization smoke detectors respond quickly to both fast flaming and slow smoldering fires as required by UL 268. Unipolar dual chamber sensor has the sensitivity needed to quickly detect smoke, and the stability needed to avoid false alarms.
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