BRK SMICO105-AC Interconnect Hardwired Combination Smoke & CO Alarm

The BRK Model SMICO105-AC is a hardwired combination Smoke and Carbon Monoxide Alarm engineered for comprehensive residential safety. Powered by 120V AC with a 10-year factory-sealed 9V Lithium battery backup, this unit provides continuous dual-protection during power outages without ever requiring a battery replacement.

By combining an ionization smoke sensor with an electrochemical CO sensor, the SMICO105-AC delivers advanced detection technology for earlier warnings and reduced nuisance alarms. With smart interconnectivity and code-compliant certifications, it is an ideal solution for modern whole-home safety networks.

Key Features

Combination Smoke & CO Protection: Dual sensing technologies feature an ionization smoke sensor paired with an electrochemical CO sensor to handle multiple residential threats simultaneously.
10-Year Sealed Battery Backup: Equipped with a 10-year factory-sealed lithium battery backup, ensuring zero battery maintenance for the entire life of the alarm.
Smart Interconnect Capability: Connects with up to 18 units total (maximum of 12 smoke alarms) across compatible BRK and First Alert alarms. When one interconnected unit triggers, all compatible alarms across the home sound.
Advanced Sensing Technology: Optimized to provide earlier warnings while actively minimizing frustrating false or nuisance alarms.
Latching Alarm Indicator: Visually identifies the specific initiating unit that originally triggered an active alarm.
One-Touch Test/Silence Button: Features a convenient, single-touch button to effortlessly test the internal circuitry or temporarily silence the unit.
Construction Protection: Includes a protective dust cover to shield sensitive internal sensors from dust and debris during new construction or renovation projects.

Product Specifications

Attribute	Specification
Model	SMICO105-AC
Type	Combination Smoke & Carbon Monoxide Alarm
Dimensions	5.12" Diameter × 1.97" Height
Weight	0.55 lbs
Power Source	120V AC, 60Hz
Battery Backup	9V Lithium, 10-Year Factory Sealed
Smoke Sensor Type	Ionization
CO Sensor Type	Electrochemical
Audio Alarm Output	85 dB at 10 feet
Operating Temperature	40°F to 100°F (4.4°C to 37.8°C)
Humidity Range	10% – 95% Relative Humidity (RH)
Interconnection Capacity	Up to 18 units total (12 smoke alarms maximum)
Compliance & Listings	UL217 Certified, UL2034 Certified, CSFM, NFPA 72, ICC

System Notifications & Indicators

Latching Alarm Indicator: Visually locks onto and displays the initiating alarm unit.
Safety & Maintenance Warnings: Integrated end-of-life and malfunction notifications signal exactly when the unit requires replacement.
Audio Warning: Powerful 85 dB solid-state horn at 10 feet.

Applications

Placement in residential homes, apartments, condominiums, and multi-family housing.
Target ceiling or wall mounting in bedrooms, hallways, and general living areas.
Properties specifically requiring interconnected, whole-building smoke and CO protection systems.
Seamless implementation in new construction projects and retrofit safety upgrades.

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Shipping

We offer FREE SHIPPING for orders with a minimum of $1000.00 in total amount to US destinations only except Hawaii and Alaska. This offer is subject to change without prior notice.

We can ship anywhere within United States and to some parts of the world. Note that there are restrictions on some products, and some products cannot be shipped to destinations outside California.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for the items we sell are weight-based. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Returns Policy

You may return most new, unopened items within 1 year of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

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