7139CS and 7139LS

The Series of photoelectric smoke alarms with visual signaling appliance are designed for residential and commercial residential applications, including homes, apartments, hospitals, nursing homes, hotels and motels, in compliance with ANSI/UL 217, ANSI/UL 1971, applicable IBC/IFC/IRC Standards and NFPA 72.

120VAC with a 9V battery back-up, single/multiple station photoelectric smoke alarm with visual signaling appliance. The portable 7139LS are equipped with a 9 foot line cord that lets you instantly equip any room with a 177 candela visual and 90 decibel audible signal, all in one device. Upon activation, the alarm will emit a 90 decibel local audible signal and activate the high intensity strobe, flashing at a brightness at 177 candela 60 times per minute.

Standard Features

  • 7139CS and 7139LS are available in 120VAC with 9VDC battery back-up
  • LS models feature a 9 foot line cord
  • Battery back-up units feature a low or missing battery indicator
  • Battery back-up units include 9VDC battery shipped with unit
  • Visual strobe is ADA compliant 177 candela rated to ANSI/UL 1971
  • Horn frequency 3100Hz
  • 7139 models feature a 90 decibel temporal 3 evacuation audible alarm
  • CS models have tandem interconnect capabilities
  • CS models feature Form C relay contacts for remote annunciation
  • Patented, three-position test switch
  • Nominal 2.5% sensitivity
  • 5 to 1 signal-to-noise ratio
  • Pulsing LED sensing chamber
  • Fully insect screened
  • Solid state LED condition indicator
  • Quick-disconnect wiring harness
  • Non-latching (self restoring)
  • Mounting hardware adapts to standard junction boxes
  • On-site maintenance washing program


    Notice: AC-only and Continuous Tone Smoke Alarms and Continuous Tone Smoke Detectors to be Discontinued