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

Item # 24-98779 | Gentex Part # 7139CS-W | UPC Code 700217014608 | UNSPSC Code 46191501 | Catalog Page #1133
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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

Proposition 65 Information

Prop65 Warning Icon WARNING: Cancer and Reproductive Harm


Alarm Sensor Type
Alert Type
Alarm and Light
Certifications and Listings
UL Listed
Battery Back-Up, Interconnected, Strobe Light, Tamper Resistant
Batteries, Battery Back-Up
Pack Size
Power Source
Product Depth (in.)
Product Height (in.)
Product Width (in.)