Gentex 7139CS-W

120VAC, Wall Mount, Interconnect up to 6 Units, 9V Battery Back up

Condition: New
Brand: Gentex
Status: Obsolete
SKU: 65249
Manufacturer Part #: 7139CS-W
Secondary Part #: 917-0019-002
Note: No replacement available at this time.


The 7139CS and 7139LS photoelectric single/multiple station smoke alarms are engineered to virtually eliminate nuisance alarms and deliver outstanding performance wherever reliable fire protection is required. The Series has been designed to give reliable early warning of the presence of smoke where both audible and visual alarms are required for residential and commercial residential applications, including homes, apartments, hospitals, hotels and motels.

Additional information

Weight 0.2 lbs
Dimensions 5.50 × 5.50 × 4.75 in



Production Status



  • Available in 120 VAC with 9v battery back-up
  • 9 foot line cord (7139LS model)
  • Photoelectric smoke sensing technology
  • 177 candela rating
  • Horn frequency 3100Hz (nominal)
  • 90dBA temporal 3 evacuation piezo horn
  • Nominal 2.5% sensitivity
  • Patented three position test switch
  • Form C relay contacts for remote annunciation (7139CS models)
  • Relay operates on battery back-up
  • Quick-disconnect wiring harness (7139CS models)
  • Interconnect with Gentex tandem capable smoke alarms (7139CS models)
  • Non-latching (self restoring) alarm
  • 5-to-1 signal-to-noise ratio
  • Pulsing LED sensing chamber
  • Fully insect screened
  • Easy Wash® on-site maintenance washing program
  • Mounting hardware adapts to standard junction boxes
  • Low or missing battery indicator
  • One year warranty from date of purchase


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Photoelectric Smoke Alarm with Visual Signaling; 7139CS / 7139LS Series


Gentex - Data Sheet