Old First Alert Smoke Alarm

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$39.99

Brk Electronics 10-Year Sealed Battery Ionization Smoke Alarm

hdsupplysolutions.com

389

$39.99

Brk Electronics 10-Year Sealed Battery Ionization Smoke Alarm

hdsupplysolutions.com

389

$53.98

First Alert SC9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm And Carbon Monoxide Combo Alarm (Upgraded To SMICO100-AC)

Electric Bargain Store

$53.98

First Alert SC9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm And Carbon Monoxide Combo Alarm (Upgraded To SMICO100-AC)

Electric Bargain Store

$58.28

First Alert SC7010B 120V AC/DC Hardwired With 2 AA Batteries Backup Photoelectric Smoke Alarm And Carbon Monoxide Combo Alarm (Upgraded To

Electric Bargain Store

$58.28

First Alert SC7010B 120V AC/DC Hardwired With 2 AA Batteries Backup Photoelectric Smoke Alarm And Carbon Monoxide Combo Alarm (Upgraded To

Electric Bargain Store

$13.38

First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)

Electric Bargain Store

$13.38

First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)

Electric Bargain Store

$51.99

Brk 120 Volt Ac Plug In Co Alarm W/Batt

hdsupplysolutions.com

$51.99

Brk 120 Volt Ac Plug In Co Alarm W/Batt

hdsupplysolutions.com

$19.99

BRK First Alert - FG250B Dual Ionization Smoke Alarm With 9-Volt Battery

WholesaleHome

$19.99

BRK First Alert - FG250B Dual Ionization Smoke Alarm With 9-Volt Battery

WholesaleHome

$24.59

First Alert Smoke Alarm, 10-Year Sealed Battery Detector With Test & Silence Button, SMI110, 1-Pack

Amazon.com

7K+

$24.59

First Alert Smoke Alarm, 10-Year Sealed Battery Detector With Test & Silence Button, SMI110, 1-Pack

Amazon.com

7K+

$59.99

BRK First Alert - PRC710B 10-Year Combination Carbon Monoxide And Photoelectric Smoke Detector

WholesaleHome

$59.99

BRK First Alert - PRC710B 10-Year Combination Carbon Monoxide And Photoelectric Smoke Detector

WholesaleHome

$69.99

Lot Of 2 - First Alert Smart Onelink Smoke + Co Alarm - Dc10-500

eBay

Free shipping

$69.99

Lot Of 2 - First Alert Smart Onelink Smoke + Co Alarm - Dc10-500

eBay

Free shipping

$32.99

First Alert 9-Volt Battery Powered, Co Alarm With Silence Feature

hdsupplysolutions.com

$32.99

First Alert 9-Volt Battery Powered, Co Alarm With Silence Feature

hdsupplysolutions.com

$20.99

BRK SMI100 Battery-Operated Smoke Alarm - Easy Installation & Reliable Fire Detection, 1 Pack

WholesaleHome

$20.99

BRK SMI100 Battery-Operated Smoke Alarm - Easy Installation & Reliable Fire Detection, 1 Pack

WholesaleHome

$143.09

BRK First Alert 1046859 Battery Powered Smoke Alarm With 10-Year Sealed 3V Lithium Battery And Silence Feature. Includes Ionization Smoke Sensing

BuyRite Electric

386

$143.09

BRK First Alert 1046859 Battery Powered Smoke Alarm With 10-Year Sealed 3V Lithium Battery And Silence Feature. Includes Ionization Smoke Sensing

BuyRite Electric

386

$36.39

First Alert 1046747, Smoke Alarm With Safety Path Light, Detects Smoldering Fires, Photoelectric Sensor, Battery Operated, Sealed Lithium 10 Year

1000Bulbs.com

5K+

$36.39

First Alert 1046747, Smoke Alarm With Safety Path Light, Detects Smoldering Fires, Photoelectric Sensor, Battery Operated, Sealed Lithium 10 Year

1000Bulbs.com

5K+

$12.51

BRK SMI100, Smoke Alarm, Detects Flaming Fires, Ionization Sensor, Battery Operated, 9V Carbon Zinc Battery | 1000 Bulbs

1000Bulbs.com

1K+

$12.51

BRK SMI100, Smoke Alarm, Detects Flaming Fires, Ionization Sensor, Battery Operated, 9V Carbon Zinc Battery | 1000 Bulbs

1000Bulbs.com

1K+

$44.99

First Alert SMICO110 Battery Operated 2-In-1 Smoke & Carbon Monoxide Alarm - 5050136

Acme Tools

$44.99

First Alert SMICO110 Battery Operated 2-In-1 Smoke & Carbon Monoxide Alarm - 5050136

Acme Tools

$29.99

First Alert SMI100 9V Alkaline Battery Operated Sensor Smoke Alarm 2 Pack - 5050073

Acme Tools

$29.99

First Alert SMI100 9V Alkaline Battery Operated Sensor Smoke Alarm 2 Pack - 5050073

Acme Tools

$29.99

First Alert SM210 Battery Smoke Alarm With Slim Profile Design 1 Pack - 5050046

Acme Tools

1K+

$29.99

First Alert SM210 Battery Smoke Alarm With Slim Profile Design 1 Pack - 5050046

Acme Tools

1K+

$51.84

First Alert Smoke And Carbon Monoxide Detector 10 Year Battery-Powered Ionization White 1046888

DkHardware.com

$51.84

First Alert Smoke And Carbon Monoxide Detector 10 Year Battery-Powered Ionization White 1046888

DkHardware.com

$119.17

BRK First Alert SM110LED-AC Hardwired Smoke Alarm With LED Strobe And 10-Year Battery Backup BY BUYRITE ELECTRIC

BuyRite Electric

$119.17

BRK First Alert SM110LED-AC Hardwired Smoke Alarm With LED Strobe And 10-Year Battery Backup BY BUYRITE ELECTRIC

BuyRite Electric

$37.00

First Alert BRK SC7010BV Hardwired Talking Photoelectric Smoke And Carbon Monoxide (CO) Detector - White - 1 Each

Instacart

$37.00

First Alert BRK SC7010BV Hardwired Talking Photoelectric Smoke And Carbon Monoxide (CO) Detector - White - 1 Each

Instacart

$39.85

First Alert Smoke Detector 10 Year Slim Battery-Powered Photoelectric White 1046731

DkHardware.com

1K+

$39.85

First Alert Smoke Detector 10 Year Slim Battery-Powered Photoelectric White 1046731

DkHardware.com

1K+

$262.71

$437.91

Large Home Security System | Smoke And Fire Detection | Official Simplisafe

SimpliSafe, Inc.

Free shipping

40% off

$262.71

$437.91

Large Home Security System | Smoke And Fire Detection | Official Simplisafe

SimpliSafe, Inc.

Free shipping

$11.69

$49.30

First Alert Hard-Wired W/Battery Back-Up Ionization Smoke/Fire Detector

palacecoup

76% off

$11.69

$49.30

First Alert Hard-Wired W/Battery Back-Up Ionization Smoke/Fire Detector

palacecoup

$11.69

$49.30

First Alert Hard-Wired W/Battery Back-Up Ionization Smoke/Fire Detector

ricugui

76% off

$11.69

$49.30

First Alert Hard-Wired W/Battery Back-Up Ionization Smoke/Fire Detector

ricugui

$57.99

Sunco First Alert BRK SMICO100-AC Interconnect Hardwire Smoke And Carbon Monoxide Alarm

Sunco

$57.99

Sunco First Alert BRK SMICO100-AC Interconnect Hardwire Smoke And Carbon Monoxide Alarm

Sunco

$26.66

BRK First Alert SM200 Battery Powered, Low Profile, Smoke Alarm With Replaceable Battery And Silence Feature. Includes Photoelectric Smoke Sensing

BuyRite Electric

$26.66

BRK First Alert SM200 Battery Powered, Low Profile, Smoke Alarm With Replaceable Battery And Silence Feature. Includes Photoelectric Smoke Sensing

BuyRite Electric

$18.99

Sunco First Alert BRK Hardwired Ionization Smoke Alarm

Sunco

235

$18.99

Sunco First Alert BRK Hardwired Ionization Smoke Alarm

Sunco

235

$682.86

BRK Smoke/CO Alarm: Carbon Monoxide/Smoke, Hardwired, Battery Backup, Smoke/CO Detector, Hardwired [PK/6] Model: SMICO105-AC

Grainger

$682.86

BRK Smoke/CO Alarm: Carbon Monoxide/Smoke, Hardwired, Battery Backup, Smoke/CO Detector, Hardwired [PK/6] Model: SMICO105-AC

Grainger

$44.79

FIRST ALERT Smoke Alarm, 85 Db At 10 Ft, (2) AA Batteries, 120V AC, Photoelectric Battery Backup: Yes, SA520B

Zoro.com

$44.79

FIRST ALERT Smoke Alarm, 85 Db At 10 Ft, (2) AA Batteries, 120V AC, Photoelectric Battery Backup: Yes, SA520B

Zoro.com

$51.99

First Alert 2Pk 10-Year Battery Photoelectric Smoke Alarm With Slim Profile

Target

Free shipping

$51.99

First Alert 2Pk 10-Year Battery Photoelectric Smoke Alarm With Slim Profile

Target

Free shipping

$39.97

First Alert Advanced Battery Smoke Alarm, Compliant Indoor Fire Safety Alarm

Inspire Uplift

$39.97

First Alert Advanced Battery Smoke Alarm, Compliant Indoor Fire Safety Alarm

Inspire Uplift

$82.99

First Alert BRK Sc9120b 85-Decibel Ionization Hardwired Smoke And Electrochemical Carbon Monoxide Detector With Battery Backup

Walmart

Free shipping

$82.99

First Alert BRK Sc9120b 85-Decibel Ionization Hardwired Smoke And Electrochemical Carbon Monoxide Detector With Battery Backup

Walmart

$24.99

First Alert Alarm Smoke AC/DC With ADP SMI100-AC: Hardwired Smoke Detector, Fire Alarm, Lithium Battery, 10-Year Warranty

Target

Free shipping

$24.99

First Alert Alarm Smoke AC/DC With ADP SMI100-AC: Hardwired Smoke Detector, Fire Alarm, Lithium Battery, 10-Year Warranty

Target

Free shipping

$131.99

FIRST ALERT Hardwired Photoelectric Smoke & Carbon Monoxide Alarm, Voice & Location Alert, Battery Backup, 1046778

Zoro.com

222

$131.99

FIRST ALERT Hardwired Photoelectric Smoke & Carbon Monoxide Alarm, Voice & Location Alert, Battery Backup, 1046778

Zoro.com

222

$62.09

FRIEDS First Alert 2 in 1 Smoke & Carbon Monoxide Alarm 10 Year Battery

Shop

$62.09

FRIEDS First Alert 2 in 1 Smoke & Carbon Monoxide Alarm 10 Year Battery

Shop

$57.99

$72.99

First Alert 9120B Smoke Detector, Hardwired Alarm With Battery Backup, 3-Pack

Target

Free shipping

20% off

$57.99

$72.99

First Alert 9120B Smoke Detector, Hardwired Alarm With Battery Backup, 3-Pack

Target

Free shipping

Replace an Old Hardwired Alarm

Apr 5, 2023

firstalert.com

How to Replace the Batteries in Your Smoke Alarms

673.2K views7 months ago

wikiHowDavid Decker