System Sensor D4240 is a 4-wire photoelectric low-flow duct smoke detector. It features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. A plug-in sensor head offers improved false alarm immunity and simple installation, testing, and maintenance. An improved cover design isolates the sensor head from the low-flow feature for simple maintenance.
The System Sensor D4240 Detector name is one of 50 Detectors from System Sensor featured on TheBigRedGuide.com. View technical specifications, download datasheets and compare the D4240 with other Detectors.