Skip to main content
Build with Ferguson is becoming Ferguson Home. Learn more

My Projects

Projects

Log In

Orders & Returns

Menu

Account

My Projects

Projects

Call

(800) 638-8875

Cart

Shipping to:Chico, CA

The First Alert 3120B has been discontinued

** See similar or replacement items below **

First Alert
Item # bci3156822

First Alert Photoelectric and Ionization Smoke Alarm with Battery Backup

Model: 3120B
|
Item: bci3156822

Discontinued

We still have product details and accessories, scroll down to see them!

Discontinued

We still have product details and accessories, scroll down to see them!

Details

Features:

  • 2-in-1 design allows this to detect both large particles from smoke and small particles from smoldering fires
  • Sleek and compact construction adds an element of style to safety
  • Utilizes photoelectric technology to reduce the occurrence of false alarms
  • Hardwired with battery backup to ensure that protection will continue through power outages
  • Silence button allows the user to silence alarms and low battery chirps for a period of time
  • Complete with a 10 year limited warranty

Specifications:

  • Diameter: 5"
  • Projection: 2"
  • Power Source: Hardwired
  • Battery Backup: 2 AAs
  • Voltage: 120V
  • Location Rating: Dry Location
  • Amperage: 0.07
Additional First Alert Links

    Manufacturer Resources

    Specifications

    Dimensions and Measurements

    Diameter
    5 in.
    Height
    2 in.

    Dimensions and Measurements

    Diameter
    5 in.
    Height
    2 in.

    Characteristics and Features

    Battery Quantity
    2
    Configuration
    Smoke Alarm
    Material
    Synthetic

    Characteristics and Features

    Battery Quantity
    2
    Configuration
    Smoke Alarm
    Material
    Synthetic

    Electrical and Operational Information

    Amperage
    .07
    Battery Size
    AA
    Operating Temperature (Max)
    100 °F
    Operating Temperature (Min)
    40 °F
    Power Source
    Battery, Hardwired
    Voltage
    120

    Electrical and Operational Information

    Amperage
    .07
    Battery Size
    AA
    Operating Temperature (Max)
    100 °F
    Operating Temperature (Min)
    40 °F
    Power Source
    Battery, Hardwired
    Voltage
    120

    Warranty and Product Information

    Application
    Smoke Detectors
    Approved for Commercial Use
    No
    Certifications
    UL
    Location Rating
    Dry Location
    Manufacturer Warranty
    10 Year

    Warranty and Product Information

    Application
    Smoke Detectors
    Approved for Commercial Use
    No
    Certifications
    UL
    Location Rating
    Dry Location
    Manufacturer Warranty
    10 Year

    Related First Alert Categories

    Reviews

    (0)

    Product Q&A

    Matching Products