First Alert Brk Sc9120b Smoke & Co Alarm, Hardwired With Battery Backup

The First Alert BRK SC9120B is a hardwired combination smoke and carbon monoxide alarm designed to protect your home with dual-sensor detection and reliable 120V AC power. This all-in-one unit eliminates the need for separate smoke and CO detectors, simplifying installation while providing comprehensive fire and carbon monoxide protection. The integrated 9V battery backup ensures continuous operation during power outages, so your family stays protected around the clock.

This combination alarm is ideal for new construction, retrofits, and whole-home safety upgrades. Its compact white housing blends seamlessly with ceiling décor while delivering fast, accurate alerts. The interconnect capability allows you to link multiple compatible alarms throughout your residence, so a single event triggers alerts in every room, keeping your entire household informed instantly.

Features and Benefits

• Dual-sensor technology: Electrochemical sensor for carbon monoxide detection and ionization sensor for smoke detection work simultaneously in one unit, ensuring comprehensive home safety and building code compliance.
• Hardwired with battery backup: Reliable 120V AC power paired with a 9V backup battery guarantees uninterrupted protection even during electrical outages.
• Interconnect capability: Connect multiple compatible BRK and First Alert hardwired detectors so alarms throughout your home alert simultaneously when triggered.
• Test and silence button: Easily test the alarm function and silence nuisance alerts while keeping sensors active and operational.
• Latching alarm indicator: Automatically identifies which unit initiated the alarm, even after conditions causing the alert have subsided.
• Tamper-resistant design: Locking brackets and universal mounting bracket provide secure installation on standard junction boxes.
• Distinct audio warnings: Loud, unmistakable alarm tones alert occupants to both fire and carbon monoxide hazards.

Specifications

• Brand: First Alert (BRK)
• Model: SC9120B
• Power source: Hardwired 120V AC with 9V battery backup
• Smoke sensor: Ionization
• Carbon monoxide sensor: Electrochemical
• Color: White
• Features: Test/silence button, tamper-resistant locking brackets, universal mounting bracket, latching alarm indicator
• Interconnect: Compatible with BRK and First Alert hardwired smoke and CO detectors

Descriptions are AI-generated. For accurate measurements, please call the store to confirm.