System Sensor adds detectors

System Sensor's 5600 Mechanical Heat Detector series include four single-circuit and four dual-circuit models.
The units are offered with either fixed temperature or combination fixed and rate-of-rise sensors, in either 135 degree or 194 degree temperature ratings.
For more information about this product, call System Sensor at 800-736-7672 or visit the company's web site at www.systemsensor.com.