Top-selling System Sensor include:
System Sensor D4120 Gas/Smoke Detection, 24Vac/dc or 120Vac Power Supply, 4-Wire Photoelectric Low-Flow Duct Smoke Detector with two DPDT relay contacts and Test/Reset button
System Sensor D4120W Gas/Smoke Detection, 24Vac/dc or 120Vac Power Supply, 4-Wire Photoelectric Low-Flow Duct Smoke Detector
System Sensor DST10 Gas/Smoke Detection Accessory, Metal Duct Sampling Tube for use with Conventional and Intelligent Duct Smoke Detectors on duct widths from 8 ft to 12 ft
System Sensor DST1.5 Gas/Smoke Detection Accessory, Metal Duct Sampling Tube for use with Conventional and Intelligent Duct Smoke Detectors on duct widths from 1 ft to 2 ft
System Sensor DST3 Gas/Smoke Detection Accessory, Metal Duct Sampling Tube for use with Conventional and Intelligent Duct Smoke Detectors on duct widths from 2 ft to 4 ft