The InnovairFlex Series DNR and DNRW are intelligent (addressable) non-relay photoelectric duct smoke detectors. Like all InnovairFlex detectors, the DNR and DNRW both feature an adjustable housing design that fits square and rectangular installation footprints, mounts to both round and rectangular ductwork, and utilizes tool-free, plug-in sampling tubes for increased application flexibility and installation ease.

Features

• Photoelectric, integrated low-flow technology (detector head sold separately)
• Air velocity rating from 100 ft/min to 4,000 ft/min
• Adjusts to square and rectangular mounting configurations
• Broad ranges for operating temperature (−4°F to 158°F) and humidity (0% to 95% non-condensing)
• Patented tool-free, plug-in sampling tubes
• New cover tamper signal
• Increased wiring space with a new ¾-inch conduit knockout
• Housing has space for mounting a relay module
• Easily accessible code wheels on sensor head (sold separately)
• Clear cover for convenient visual inspection
• UL 268A listed
​• Remote testing capability

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