First Alert 9120B
First Alert 9120B
Hover to zoom
1 Of 5

First Alert - Smoke Alarm with Battery Backup - Hardwired

Model:

9120B

Write A Review
Product Discontinued
Sorry, this product is no longer available.
First Alert - Smoke Alarm with Battery Backup - Hardwired
First Alert - Smoke Alarm with Battery Backup - Hardwired
Model: 9120B
Product Discontinued
Accessories
Features
Specifications
Reviews
How-To Articles
Manuals
Share

Recommended Accessories

eComfort expert image
Expert Recommended Accessories Selected by Ken, our Expert
Required Accessories 9
These accessories are required to properly setup/install this product.
Optional Accessories 10

Features

    Keeping your home and family safe since 1958, First Alert is built on reliability, quality and trustworthiness. Continuing to create innovative products, you can count on First Alert to make your home a safer place. The reliable ionization sensor in the 9120B provides the earliest possible warning of a fast-flaming fire. With the battery backup, the 9120B will protect you and your family even during a power outage
  • Interconnectable
  • Interconnect the 9120B with up to 12 First Alert or BRK hardwired alarms and up to six other compatible devices like bells, horns or repeaters. When one alarm sounds, all other alarms are triggered, providing coverage of larger spaces.
  • Battery Backup
  • Featuring battery backup, First Alert 9120B will keep you safe even during power outages.
  • Alarm Reset
  • The 9120B will automatically reset when the smoke or carbon monoxide gas clears.

Specifications

9120B
specs product image PID-101095
Overview
Product Category
Furnace
UPC
29054513014
General Information
Type
Smoke Alarm
Product Category
Furnace
Power Source
Hardwired with Battery Backup
Interconnectable
Yes
Sensor Type Learn More
Sensor Type
Electrochemical sensors detect Carbon Monoxide gases in your home. Photoelectric sensors detect visible fire particles that can be associated with a slow smoldering fire. Ionization sensors detect invisible fire particles that can be associated with fast flaming fires.
Ionization
Performance
Minimum Operating Temperature
40 F
Maximum Operating Temperature
100 F
Maximum Sound Level Learn More
Maximum Sound Level
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB. Learn More
85 dB
Electrical Data
Voltage
120 Volts
Battery Type
9V
Battery Backup
Yes
Battery Included
Yes
Dimensions
Product Height
1 36/40 Inches
Product Width
5 29/48 Inches
Product Length
5 29/48 Inches
Product Weight
0.6 Pounds
Certifications
UL Listed
Yes
Warranty Information
Warranty Learn More
Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
10 Years

Reviews

First Alert 9120B Reviews & Ratings
Be the First to Write a Review
Do you own this product?
Please share your insights with fellow shoppers.

How-To Articles

How to Pick the Perfect Furnace
How to Pick the Perfect Furnace
The heart of nearly every forced air heating system is the furnace. Gas furnace...
Choosing Between a Furnace and a Heat Pump
Choosing Between a Furnace and a Heat Pump
The battle between furnaces and heat pumps is hot right now. Although most Amer...
An Overview of Furnace Features
An Overview of Furnace Features
Most American homes use a central forced-air system to heat and cool their home...
eComfort How-To Library
eComfort How-To Library
Articles, Tips and Buying Guides from Our Experts

Manuals

 
Media Gallery
First Alert - Smoke Alarm with Battery Backup - Hardwired
First Alert 9120B
Customer Review Images