Gentex 9120H Photoelectric Smoke Alarm (Isolated/120VAC)

  • MPN: 9120H
  • JMAC ID: 200088320
$73.75
JMAC_ID:
200088320
df_manual_boost:
1.75
Please Note: In order to keep our prices low, we have a minimum order requirement of $99
The Gentex 9120H 120VAC Photoelectric Smoke Alarm with Isolated 135 d (f) Thermal is designed for homes, apartments, hotels, motels, and hospitals. This smoke alarm features a pulsing LED sensing chamber, a low or missing battery indicator, and can be connected in tandem up to 12 units. It includes an insect proof screen, a dust cover to prevent contamination during installation, and relays that run on battery backup power. It also features a horn frequency of 3100Hz and is backed by a one year warranty from the date of purchase.

UPC: 700217008867
Also known as: GN-9170003

Technical Specifications:
  • Secondary Power Source: Alkaline 9VDC battery
  • Nominal Sensitivity: 2.5 percent obscuration
  • Alarm Horn Rating: 90dBA at 10ft.
  • Operating Ambient Temperature Range: 40F to 100F
  • Operating Relay Current: .070amp
  • Operating Current: .045amp
  • Operating Voltage: 120VAC, 60Hz
  • Depth: 2.625"
  • Diameter: 6.5" OA (5.75" at ceiling)
  • "H" Isolated Thermal Form A (Self-Restoring): 135F at 50ft.
  • "T" Integral Thermal (Self-Restoring): 135F at 50ft.
  • "F" Auxiliary Relay: 1 Form A and one Form C (0.6 amp)


For more information about the Gentex 9120H, please contact us.
  • Easy WashTM on-site maintenance washing program
  • Available in 120VAC and 220VAC with 9VDC battery back-up
  • Horn frequency 3100 Hz (nominal)
  • Nominal 2.5% sensitivity
  • Patented three position test switch
  • Relays operate on battery back-up
  • Quick-disconnect wiring harness
  • 90dBA continuous piezo horn (9120/9220 Series)
  • 90dBA temporal 3 evacuation piezo horn (9123/9223 Series)
  • 5-to-1 signal-to-noise ratio
  • Pulsing LED sensing chamber
  • Fully insect screened
  • Interconnect with all Gentex tandem capable smoke alarms
  • Red LED pulses every 30 seconds, green LED for AC power on
  • Mounting hardware adapts to standard junction boxes
  • Dust cover to prevent contamination during installation
  • Low or missing battery indicator
  • 1 year warranty from date of purchase

2 Reviews

  • 5
    GENTEX-9120H

    Posted by 169880 on Apr 30th 2021

  • 5
    GENTEX-9120H

    Posted by 122108 on Jan 11th 2018

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