First Alert Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for First Alert products.

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

First Alert manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

First Alert 2087DF Digital Water Proof Fire Safe Installation Guide

October 22, 2023

2087DF / 2092DF Operation & Installation Guide 2087DF Digital Water Proof Fire Safe DIGITAL WATERPROOF FIRE SAFE FOR YOUR PROTECTION √ Do not remove the serial number tag from the safe. √ Store emergency override keys away from safe, NEVER…

Brand: First Alert

First Alert HD6135FB AC Powered Carbon Monoxide Alarm User Manual

October 22, 2023

USER’S MANUAL AC POWERED CARBON MONOXIDE ALARM 120VAC ~, 60Hz, 0.09A LISTED TO UL 2034 STANDARD HD6135FB AC Powered Carbon Monoxide Alarm IMPORTANT! PLEASE READ CAREFULLY AND SAVE. This user’s manual contains important information about your CO Alarm’s operation. If…

Brand: First Alert

FIRST ALERT CO605 Carbon Monoxide Alarm User Manual

October 21, 2023

FIRST ALERT CO605 Carbon Monoxide Alarm INTRODUCTION BASIC SAFETY INFORMATION Dangers, Warnings, and Cautions alert you to important operating instructions or to potentially hazardous situations. Pay special attention to these items. THIS IS NOT A SMOKE ALARM! This CO Alarm…

Brand: First Alert

First Alert FABCU2 SERIES Hand Held Bark Prevention Device Instruction Manual

October 13, 2023

First Alert FABCU2 SERIES Hand Held Bark Prevention Device Product Information The FABCU2 SERIES is an ultrasonic bark control device designed to silence dog barks. It emits ultrasonic sound waves that are audible to dogs but not to humans, effectively…

Brand: First Alert

FIRST ALERT 9120 Smoke Alarms User Manual

October 13, 2023

USER'S MANUAL Smoke Alarms 9120 Smoke Alarms AC Powered Ionization Smoke Alarm with Silence and Latching Features Model 9120 Input: 120V AC ~, 60 Hz, 0.04A AC Powered Ionization Smoke Alarm with Battery Back-up, Silence and Latching Features Model 9120B…

Brand: First Alert

FIRST ALERT PC1200 Combination Carbon Monoxide and Smoke Alarm User Manual

October 10, 2023

FIRST ALERT PC1200 Combination Carbon Monoxide and Smoke Alarm Features Separate sensors to detect smoke and CO; the two alarm systems work independently Powered by two “AA” batteries Access door for easy battery replacement IMPORTANT! PLEASE READ CAREFULLY AND SAVE.…

Brand: First Alert

First Alert 3040DF Digital Security Box with Cable Installation Guide

October 9, 2023

First Alert 3040DF Digital Security Box with Cable Product Information Product Name Deluxe Security Box with Digital Electronic Lock Model Number MFCB3035DF40DF30809 Manufacturer Unknown Product Usage Instructions Getting Started Locate the override keys and batteries. Remove them from the packing…

Brand: First Alert

FIRST ALERT 2037WF Fire Protector Chest Installation Guide

October 8, 2023

Operation & Installation Guide MMSKYE0709 2037WF Fire Protector Chest THE FIRE PROTECTOR® WATERPROOF FIRE PROTECTGR™ Model 2012F / 2012EF Model 2013F / 2013EF Model 2017F / 2017EF Model 2036F / 2036EF Model 2037F / 2037EF Model 2014F / 2014EF Model…

Brand: First Alert

First Alert 2092DF-BD Digital Waterproof and Fire Bolt-Down Safe Installation Guide

October 7, 2023

First Alert 2092DF-BD Digital Waterproof and Fire Bolt-Down Safe Product Information Product Name: DIGITAL WATERPROOF FIRE SAFE with Ready-SEALTM Model Numbers: 2087DF-BD / 2092DF-BD Manufacturer: First Alert Website: www.FirstAlert.com Package Contents: 1 Digital Waterproof Fire Safe 2 Emergency Override Keys…

Brand: First Alert

FIRST ALERT CO606 AC Plug-In Carbon Monoxide Detector User Manual

October 7, 2023

FIRST ALERT CO606 AC Plug-In Carbon Monoxide Detector Product Information Product Name: 120V Plug-in Carbon Monoxide Alarm with Battery Back-up and Silence Feature Model: CO606 Power Requirements: 120V AC, 60 Hz, 0.09A Compliance: Conforms to UL STD 2034 Product Usage…

Brand: First Alert

Guide d'installation et d'utilisation de l'extincteur de cuisine First Alert Kitchen5

Installation Guide • November 5, 2025

Informations importantes sur l'installation et le retrait du socle de l'extincteur d'incendie de cuisine First Alert Kitchen5. Inclut des avertissements et des instructions étape par étape pour une utilisation sécuritaire.

Brand: First Alert

First Alert SC5 Wireless Smart Smoke & Carbon Monoxide Alarm Quick Start Guide

Quick Start Guide • November 2, 2025

Quick start guide for the First Alert SC5 Wireless Smart Smoke & Carbon Monoxide Alarm (Model SMC0600NV). Includes setup, placement, functions, maintenance, troubleshooting, and regulatory information.

Brand: First Alert

First Alert ADN-12 Adapter Installation Guide

Installation Guide • November 2, 2025

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.

Brand: First Alert

First Alert ADN-12 Adapter Plug Installation Guide

Installation Guide • November 2, 2025

Step-by-step installation instructions for the First Alert ADN-12 adapter plug, ensuring proper connection of First Alert and BRK AC hardwired smoke alarms to compatible Nest Protect systems.

Brand: First Alert

First Alert SC5 Wireless Smart Smoke & Carbon Monoxide Alarm Quick Start Guide

Quick Start Guide • November 2, 2025

Quick start guide for the First Alert SC5 Wireless Smart Smoke & Carbon Monoxide Alarm (SMCO600NV-A), covering setup, installation, functions, maintenance, troubleshooting, and regulatory information.

Brand: First Alert

First Alert SC5 Wireless Smart Smoke & Carbon Monoxide Alarm Installation and Reference Manual

Manual • November 2, 2025

Comprehensive installation and reference manual for the First Alert SC5 Wireless Smart Smoke and Carbon Monoxide Alarm (Model SMCO600NV-A). Provides safety information, installation instructions, maintenance guidelines, and response procedures for smoke and carbon monoxide detection.

Brand: First Alert

First Alert SC5 Smart Smoke & Carbon Monoxide Alarm Installation and Reference Manual

Installation Guide • November 2, 2025

Comprehensive guide for installing and referencing the First Alert SC5 Wired Smart Smoke & Carbon Monoxide Alarm (SMCO600NV-AC-A), including safety information, testing, maintenance, and troubleshooting.

Brand: First Alert

First Alert SC5 Wired Smart Smoke & Carbon Monoxide Alarm Installation and Reference Manual

Installation and Reference Manual • November 2, 2025

This document provides installation and reference information for the First Alert SC5 Wired Smart Smoke & Carbon Monoxide Alarm, detailing features, safety guidelines, installation steps, and maintenance.

Brand: First Alert

First Alert SC5 Battery Smart Smoke & Carbon Monoxide Alarm - Model SMCO600NV-A

Technical Specification • November 2, 2025

Detailed specifications and features for the First Alert SC5 Battery Smart Smoke & Carbon Monoxide Alarm (Model SMCO600NV-A). Includes information on dual-sensing technology, smart home compatibility with Nest Protect, voice alerts, interconnection capabilities, installation requirements, and technical data.

Brand: First Alert

First Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm Specifications

Technical Specification • November 2, 2025

Detailed technical specifications, features, and installation guidelines for the First Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm (SKU: FSMCO600NVACACL1). Learn about its photoelectric smoke sensor, electrochemical CO sensor, voice alerts, hardwire interconnect, battery backup, and system requirements.

Brand: First Alert

First Alert SFA2800 Radio Controlled Weather Station Projection Clock User Manual

User Manual • November 1, 2025

User manual for the First Alert SFA2800 Radio Controlled Weather Station Projection Clock with Wireless Sensor. Includes setup, operation, safety instructions, and troubleshooting.

Brand: First Alert

First Alert CX4D AI Dome Camera: High-Resolution Surveillance with Intelligent Features

Technical Specification • November 1, 2025

Explore the First Alert CX4D AI Dome Camera (CX4DE08F28PW), a versatile security solution featuring 8MP ultra-HD video, AI event detection, edge and cloud storage, and seamless integration for businesses and homes.

Brand: First Alert