📘 First Alert manuals • Free online PDFs
First Alert logo

First Alert Manuals & User Guides

First Alert is a trusted leader in home safety products, manufacturing reliable smoke alarms, carbon monoxide detectors, fire extinguishers, and smart home security solutions.

Tip: include the full model number printed on your First Alert label for the best match.

First Alert manuals

Latest manuals from manuals+ curated for this brand.

First Alert ADN-12 Adapter Installation Guide

Installation Guide
Detailed installation instructions for the First Alert ADN-12 adapter, enabling interconnection of compatible First Alert and BRK AC-powered smoke detectors and alarms. Includes safety warnings and compatibility information.

First Alert manuals from online retailers

First Alert EZ Fire Spray AF400-2 Instruction Manual

AF400 • October 2, 2025
Comprehensive instruction manual for the First Alert EZ Fire Spray AF400-2, an aerosol fire extinguishing spray designed for common household fires, including grease and electrical fires. Learn about…

First Alert BRK 7010B Hardwired Smoke Detector User Manual

7010B • August 26, 2025
Comprehensive user manual for the First Alert BRK 7010B Hardwired Smoke Detector, covering installation, operation, maintenance, troubleshooting, and specifications. Includes details on its photoelectric sensor, battery backup, and…