First Alert 3120B
First Alert 3120B
First Alert 3120B
First Alert 3120B
First Alert 3120B
First Alert 3120B
Hover to zoom
1 Of 5
First Alert 3120B
First Alert 3120B
First Alert 3120B
First Alert 3120B
+2
View All

First Alert - Photoelectric and Ionization Smoke Alarm with Battery Backup - Hardwired

Model:

3120B

Write A Review
$34.00
In-Stock
Ships Monday, Nov 25th
Shipping to60601
First Alert - Photoelectric and Ionization Smoke Alarm with Battery Backup - Hardwired
First Alert - Photoelectric and Ionization Smoke Alarm with Battery Backup - Hardwired
Model: 3120B
$34.00
Accessories
Features
Specifications
Reviews
Product Q&A
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



Product Video Disclaimer: "PED is not responsible for any variances from the product in this video and the item you purchase. Please review all product specs prior to purchase."
    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. With photoelectric and ionization sensors, the state-of-the-art Photoelectric and Ionization Smoke Alarm features comprehensive protection. With battery backup, the Photoelectric and Ionization Smoke Alarm will keep you safe even during power outages. Designed for residential and institutional applications such as hospitals and hotels, the Photoelectric and Ionization Smoke Alarm meets codes where AC/DC photoelectric and ionization combination smoke alarms are required.
  • OptiPath 360 Technology™
  • Patented technology, the OptiPath 360 Technology™ provides 360 degrees of direct access to the smoke sensor, making it more effective.
  • Interconnectable
  • The First Alert 3120B can be connected to other compatible alarms for larger spaces and more protection.
  • Latch Alarm Indication
  • The First Alert 3120B features an alarm latch that identifies the alarm that is sounding as well as a latch that visually detects which unit is in low battery condition when alarms are interconnected.
  • Alarm Reset
  • The First Alert 3120B will automatically reset when the smoke clears.
  • Battery Backup
  • Featuring battery backup, First Alert 3120B will keep you safe even during power outages.

Specifications

3120B
specs product image PID-99895
Overview
Product Category
Furnace
UPC
29054011374
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.
Photoelectronic and 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
2 AA
Battery Backup
Yes
Battery Included
Yes

Reviews

First Alert 3120B Reviews & Ratings
Be the First to Write a Review
Do you own this product?
Please share your insights with fellow shoppers.

Product Q&A

Expert avatar photo
Be the First to Ask A Question Answered by Ken, the eComfort Product Expert

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 - Photoelectric and Ionization Smoke Alarm with Battery Backup - Hardwired
First Alert 3120B
First Alert 3120B
First Alert 3120B
First Alert 3120B
First Alert 3120B
First Alert 3120B
Customer Review Images