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Internet #202934198

Model #7139CS-W

Store SKU #1000500868

Hardwired Interconnected Photoelectric Smoke Alarm, Wall Mount, ADA Strobe with Battery Backup

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Product Overview

The Gentex 7139CS-W is a photoelectric smoke alarm designed for residential and commercial residential applications, including homes, apartments, hospitals, hotels/motels. The 7139CS-W is designed to give reliable early warning of the presence of smoke where both audible and visual alarms are required. The 7139CS-W is ANSI/UL 217 and ANSI/UL 1971 listed and is compliant with IBC/IFC Standards as well as NFPA 72.
  • 120 VAC with 9VDC battery back-up
  • 90dBA temporal 3 evacuation piezo horn with a 3100Hz (nominal) horn frequency
  • ADA compliant 177 candela strobes (ANSI/UL 1971)
  • Wall mount
  • On-site washing program
  • Nominal 2.5% sensitivity
  • 3-position test switch
  • Form C contact included
  • Tandem interconnect with all Gentex tandem capable alarms
  • Low or missing battery indicator
  • Relays operate on battery back-up and will activate from tandem wire
  • Quick disconnect wiring harness
  • Fully insect screened
  • 1-year warranty from date of purchase
  • Click here for more information on Electronic Recycling Programs
  • California residents



Product Depth (in.)4.75Product Height (in.)5.5
Product Width (in.)5.5


Alarm Sensor TypePhotoelectricAlarm TypeSmoke
Alarm/Detector FeaturesBattery Back-Up,Interconnected,Strobe Light,Tamper ResistantCommercial/ResidentialCommercial,Residential
Connector/Contact Type4-WireFixed or portableFixed
IncludedBatteries,Battery Back-UpPack Size1
Power SourceHardwiredReturnable90-Day
Voltage (volts)120

Warranty / Certifications

Certifications and ListingsUL Listed

Questions & Answers

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Customer Reviews

  • 4
    out of 2 reviews
  • 100%recommend this product
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The fire alarm was easy to install and seems to...
The fire alarm was easy to install and seems to meet all our needs. Will not know for sure until there is a fire, so hope it will never be “tested” for real!!
  • Verified Purchase
It is alright. quite loud, and works well. That is all I have to say!
  • Verified Purchase
  • Recommended
2 found this review helpful
Showing 1-2 of 2 reviews