Fire-Lite Alarms by Honeywell DNRW, Watertight, Intelligent, Non-Relay Duct Smoke Detector

Fire-Lite Alarms by Honeywell DNRW -non-relay photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints capable of mounting to a round or rectangular duct. The InnovairFlex duct smoke detector senses smoke in the most challenging conditions, operating in air flow speeds of 100 to 4,000 feet per minute, temperatures of -4 degrees F to 158 degrees F, and a humidity range of zero to 95 percent (non-condensing).- Photoelectric, integrated low-flow technology.- Air velocity rating from 100 ft/min to 4,000 ft/min (0.5 m/s to 20.32 m/s).- Versatile mounting options: square or rectangular configuration.- Broad ranges for operating temperature (-4F to 158F, -20C to 70C) and humidity (0% to 95% non-condensing).- Patented sampling tube installs from front or back of the detector with no tools required.- Easily accessible code wheels on sensor head (sold separately).- Clear cover for convenient visual inspection.- Remote testing capability.- Accommodates the installation of an addressable relay module, sold separately, (CRF-300) for applications requiring a Form-C relay