The First Alert SC9120B Hardwired Combination Smoke and Carbon Monoxide Alarm is a hardwire alarm with battery backup. The hardwired detector includes a 9-volt battery backup for continued …

Hardwired Combo smoke & CO Alarm with replaceable battery backup. AC 120V Interconnectable with Silence and Latching features. Includes Ionization smoke sensing technology, electrochemical …

Feb 7, 2025 · Using a 9-volt backup battery, the smoke and carbon monoxide detector can function even in the event of a power outage. Additionally, the Co smoke alarm features a single test and silence …

Intelligent Sensing Technology designed to help reduce unwanted or nuisance alarms. Smart Interconnect can be interconnected to BRK Smoke Alarms. One interconnect wire carries both …

Shop First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup at Target. Choose from Same Day Delivery, Drive Up or Order Pickup. Free standard …

Jun 18, 2018 · Great for overhead drilling or hard-to-reach applications. Rigid shaft construction ensures straight, precise drilling. Black oxide coating resists corrosion.

ARCHITECTURAL AND ENGINEERING SPEC The combination smoke and CO alarm shall be a BRK Model SC9120B and shall provide at a minimum the following features and functions:

This First Alert SC9120B Hardwired Smoke and Carbon Monoxide Detector includes a 9-volt battery backup that continues to protect you in the event of a power failure. The alarm features …

Working smoke alarms cut the risk of dying in a home fire by 50%, and that's important because a home structure fire was reported every 86 seconds. The faster you know about a fire, the faster you can …

Learn how to remove a First Alert smoke, CO, or combo smoke/CO alarm from its mounting bracket. How to Choose an Alarm. Learn how to choose the right smoke and CO protection for your home, …