10 Best first alert brk 9120bs 3 of 2025

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1

First Alert

First Alert BRK SC-9120B xrHsEW Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup, 4 Units
9.7

Exceptional

Our Rating
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Value for Money

2

First Alert
FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, White, Pack of 3

24% Off
Main highlights

Key Features
Features electrochemical CO sensing, ionization sensor for fast-burning fires, 85-decibel alarm, connects with other alarms, easy installation with tamper-resistant brackets.

Ideal Use Cases
Perfect for family homes, ensuring round-the-clock safety from smoke and carbon monoxide, especially in multi-level houses or buildings with multiple rooms.

Customer Reviews Highlight
Most praised for its easy installation process and the peace of mind provided by the interconnected alarm system`s reliability and loud alert system.
9.6

Exceptional

Our Rating

9.9
safety

9.5
Easy installation

9.3
Detecting movement
3

First Alert
First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 3-Pack
Main highlights

Reliable Smoke Detection
Equipped with an ionization sensor, detects fast flaming fires effectively.

Ideal for Whole Home Safety
Best used on each level and bedroom for full protection.

Praised Easy Installation
Customers appreciate the simple setup with universal mounting brackets.
9.4

Excellent

Our Rating
4

First Alert

First Alert BRK 9120B Hardwired Smoke Alarm with Battery Backup (3)
9.2

Excellent

Our Rating
5

First Alert
BRK First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack
Main highlights

Reliable Detection and Alert
Equipped with an ionization sensor, detects smoke from fast flaming fires with an 85 decibel alarm.

Ideal for Comprehensive Home Safety
Perfect for placing on each home level and bedroom for complete protection.

Praised Easy Installation
Simple installation with test/silence button and side load battery compartment.
8.9

Very Good

Our Rating

9.9
Tech Support

9.5
Easy installation

9.5
Noise level
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6

First Alert
First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup

10% Off
Main highlights

Key Features
Features superior carbon monoxide sensor and dual ionization smoke alarm, easy installation, and includes a 9-volt battery with a 10-year warranty.

Ideal Use Cases
Perfect for homes needing quick safety upgrades, compatible with BRK and First Alert systems for comprehensive protection.

Customer Reviews
Most praised for its reliability and ease of installation, making it a trusted choice for home safety.
Key specs
- batteries:1 9V batteries required
- power source:Battery Powered
- alarm:Audible
- style:10-year limited warranty
- sensor:Ionization
8.7

Very Good

Our Rating

9.5
Easy installation

9.3
Battery Duration

9.1
Precision
7

First Alert
First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack
Main highlights

Reliable Smoke Detection
Equipped with ionization sensor, detects fast flaming fires promptly.

Ideal for Home Safety
Place on each home level and bedroom for protection.

Praised Easy Installation
Simple setup with test button and side load battery compartment.
Key specs
- color:White
- batteries:1 9V batteries required
- power source:Battery Powered
- alarm:Audible
- style:9120B
8.5

Good

Our Rating

9.5
Easy installation

9.3
worth the money

9.3
Instruction
8

First Alert

First Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-Pack
8.4

Good

Our Rating
9

First Alert

First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back Up 5 Pack
8.1

Good

Our Rating
10

First Alert
First Alert Interconnect Hardwire Smoke Alarm with Battery Backup & Voice Alerts, 3-Pack
Main highlights

Advanced Sensing Technology
The First Alert BRK smoke alarm uses precision detection to minimize false cooking alarms and provide early warnings.

Ideal for Home Safety
Perfect for homes needing interconnected alarms with voice alerts for comprehensive safety coverage.

Praised for Voice Alerts
Customers appreciate the voice and location alerts, enhancing safety by identifying danger areas quickly.
Key specs
- color:White
- batteries:2 AA batteries included
- power source:Corded Electric
- alarm:Smoke
- style:Precision Detection
8.0

Good

Our Rating

10 Best first alert brk 9120bs 3 of 2025

1

First Alert BRK SC-9120B xrHsEW Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup, 4 Units

How do we rank?

How do we rank?

Analyzing top stores

2

FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, White, Pack of 3

9.9

9.5

9.3

3

First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 3-Pack

4

First Alert BRK 9120B Hardwired Smoke Alarm with Battery Backup (3)

5

BRK First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack

9.9

9.5

9.5

6

First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup

9.5

9.3

9.1

7

First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack

9.5

9.3

9.3

8

First Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-Pack

9

First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back Up 5 Pack

10

First Alert Interconnect Hardwire Smoke Alarm with Battery Backup & Voice Alerts, 3-Pack

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