System Sensor 5604 Heat Detector back box Simplex 4098-9755 2-Wire Duct sampling

Simplex 4098-9755 2-Wire Duct sampling unit that detects smoke in the ventilation or air conditioning ducts

System Sensor SPSWL L-Series Indoor Speaker Strobe

Intelligent Sensing with Minimal False Alarms

Like the entire SpectrAlert Advance line

Simplex 733-660 4100 Harness UT

System Sensor 5604 Heat Detector back box Simplex 4098-9755 2-Wire Duct samplingSystem Sensor 5604 Single Circuit, Mechanical Heat Detector with a Fixed Temperature of 194F It's part of the 5600 series, which offers a variety of configurations for different applications. The 5604 is a low cost option for protecting property against fire. It's also suitable for non life safety installations where smoke detectors aren't appropriate.