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BRK First Alert - SMICO100-AC Hardwired Smoke & Carbon Monoxide Alarm

$43.99 $60.99


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Carbon Electrochemical GTIN Hardwired Ionization Safety Smoke Smoke/Carbon Monoxide Alarms
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  • Description

BRK First Alert - SMICO100-AC Hardwired Smoke & Carbon Monoxide Alarm

Attribute Details
Alarm Type Smoke & Carbon Monoxide
Power Source Hardwired
Sensor Photo Electric
Interconnects Yes
Battery 9V Alkaline Battery Backup
Old Reference SC9120B
Dimensions 5.58” diameter x 1.97” height
Temperature Range 40°F (4°C) to 100°F (38°C)
Humidity Range 10% to 95% relative humidity (RH)
Audio Alarm 85dB at 10 feet
Warranty 10-Year Limited Warranty
Compliance UL217 & UL 2034 Standards

Protect Your Home with the BRK First Alert Smoke & Carbon Monoxide Alarm

We know how important it is to keep your home and loved ones safe. That’s why we designed the BRK First Alert Hardwired Smoke & Carbon Monoxide Alarm to provide reliable, dual protection against two of the most dangerous threats to your home. This alarm combines advanced technology with user-friendly features to ensure your peace of mind.

Why Choose This Alarm?

  • Dual Protection: Detects both smoke and carbon monoxide, giving you comprehensive safety in one device.
  • Hardwired with Battery Backup: Connects directly to your home’s electrical system, with a 9V battery backup to keep you protected during power outages.
  • Intelligent Sensing Technology: Reduces nuisance alarms caused by cooking smoke or steam, so you only get alerts when there’s a real danger.
  • Easy Installation: Features a quick-connect wiring harness, keyhole slots, and a side-load battery compartment for hassle-free setup.
  • 10-Year Warranty: Backed by a limited warranty, ensuring long-term reliability.

Key Features That Make a Difference

Advanced Sensor Technology

Our alarm uses a photoelectric smoke sensor and an electrochemical carbon monoxide sensor, which are among the most accurate and reliable technologies available. This ensures early detection of both smoldering fires and dangerous CO levels.

Smart Alerts and Indicators

  • Latching Alarm Indicator: Remembers which unit initiated an alarm, making it easier to identify the source of danger.
  • End-of-Life Signal: Notifies you when it’s time to replace the alarm, so you’re never left unprotected.
  • Mute Button: Silences nuisance alarms and allows you to test the alarm’s functionality.

Built for Convenience

  • Dust Cover: Keeps the unit clean during construction or renovation.
  • Perfect Mount: Ensures easy alignment and secure installation.
  • LED Indicators: Provide clear visual cues for power status, alarms, and more.

Easy to Install and Maintain

We’ve made installation and maintenance as simple as possible. The mounting bracket features a large opening for easy access to wiring, and the side-load battery compartment lets you replace the battery without removing the unit from the ceiling or wall. Plus, the included dust cover protects the alarm during installation.


What’s in the Box?

  • 1 x Smoke & Carbon Monoxide Alarm
  • 1 x Mounting Bracket
  • 1 x Power Connector
  • 1 x Dust Cover
  • 1 x English/Spanish Instruction Manual

Frequently Asked Questions

1. Can I connect multiple alarms together?

Yes, this alarm is interconnectable with other compatible units. If one alarm detects smoke or carbon monoxide, all interconnected alarms will sound, providing whole-home protection.

2. How often should I test the alarm?

We recommend testing the alarm once a month to ensure it’s functioning properly. Use the mute button to test the alarm’s sound and indicators.

3. What should I do if the alarm goes off?

If the alarm sounds, evacuate your home immediately and call emergency services. The latching alarm indicator will help identify which unit detected the danger.

4. How long does the battery last?

The 9V battery backup is designed to last for several years, but you should replace it as soon as you hear the low-battery chirp or when the end-of-life signal indicates it’s time for a replacement.


With the BRK First Alert Hardwired Smoke & Carbon Monoxide Alarm, you’re not just buying a device—you’re investing in the safety and security of your home. Trust us to keep you protected.