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First Alert

First Alert Coupon, Discount and Promo Codes (17)

Go to First Alert

First Alert Coupon, Discount and Promo Codes (17)

Ranked by community success rates. Updated August 2026.

TOP CODETop code

Community-sourced First Alert promo code

Last used about 2 months ago

HZC###Reveal
NEW CODE

Community-sourced First Alert promo code

Last used about 1 month ago

SAV###Reveal
NEW CODE

Community-sourced First Alert coupon code

Last used about 1 month ago

10###Reveal
SEASONAL CODE

Seasonal First Alert coupon

Last used about 2 months ago

DE###Reveal
NEW CODE

Community-sourced discount code

Last used about 1 month ago

THA#######Reveal
NEW CODE

Community-sourced code

Last used about 1 month ago

EXT####Reveal
SEASONAL CODE

Seasonal promo code

Last used about 2 months ago

JA###Reveal
NEW CODE

Community-sourced First Alert discount

Last used about 1 month ago

WEL######Reveal
SEASONAL CODE

Seasonal code

Last used about 1 month ago

MA###Reveal
NEW CODE

Community-sourced First Alert discount

Last used about 1 month ago

NE###Reveal
NEW CODE

Community-sourced First Alert coupon

Last used about 2 months ago

FRI######Reveal
SEASONAL CODE

Seasonal code

Last used about 2 months ago

MA###Reveal
SEASONAL CODE

Seasonal coupon code

Last used about 2 months ago

NO###Reveal
SEASONAL CODE

Seasonal First Alert discount code

Last used about 1 month ago

MA###Reveal
SEASONAL CODE

Seasonal coupon code

Last used about 2 months ago

SE###Reveal
SEASONAL CODE

Seasonal First Alert code

Last used about 2 months ago

FE###Reveal
NEW CODE

Community-sourced First Alert code

Last used about 2 months ago

GE###Reveal

Popular items at First Alert

Items Checkmate users have been browsing.

Interconnect Hardwire 2-in 1 Smoke and Carbon Monoxide Alarm with Battery Backup
First Alert
$69.99

Interconnect Hardwire 2-in 1 Smoke and Carbon Monoxide Alarm with Battery Backup

SC5 Battery Smart Smoke and Carbon Monoxide Alarm
First Alert
$129.99

SC5 Battery Smart Smoke and Carbon Monoxide Alarm

Interconnect Hardwire 2-in 1 Smoke and CO Alarm with 10-Year Battery Backup
First Alert
$79.99

Interconnect Hardwire 2-in 1 Smoke and CO Alarm with 10-Year Battery Backup

Interconnect Hardwire Combination Smoke and Carbon Monoxide Alarm with Voice Alerts
First Alert
$79.98

Interconnect Hardwire Combination Smoke and Carbon Monoxide Alarm with Voice Alerts

SC5 Hardwire Smart Smoke and Carbon Monoxide Alarm
First Alert
$129.99

SC5 Hardwire Smart Smoke and Carbon Monoxide Alarm

Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup
First Alert
$34.99

Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup

Combination Explosive Gas and Carbon Monxide Alarm with Backlit Digital Display
First Alert
$54.99

Combination Explosive Gas and Carbon Monxide Alarm with Backlit Digital Display

Plug-In Carbon Monoxide Alarm with Battery Backup and Digital Display
First Alert
$39.99

Plug-In Carbon Monoxide Alarm with Battery Backup and Digital Display

SC5 Hardwire Smart Smoke and Carbon Monoxide Alarm
First Alert
$129.99

SC5 Hardwire Smart Smoke and Carbon Monoxide Alarm

Interconnect Hardwire Smoke Alarm with Battery Backup
First Alert
$29.99

Interconnect Hardwire Smoke Alarm with Battery Backup

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All First Alert codes

All available codes at First Alert.

TOP CODETop code

Community-sourced First Alert promo code

Last used about 2 months ago

HZC###Reveal
NEW CODE

Community-sourced First Alert promo code

Last used about 1 month ago

SAV###Reveal
NEW CODE

Community-sourced First Alert coupon code

Last used about 1 month ago

10###Reveal
SEASONAL CODE

Seasonal First Alert coupon

Last used about 2 months ago

DE###Reveal
NEW CODE

Community-sourced discount code

Last used about 1 month ago

THA#######Reveal
NEW CODE

Community-sourced code

Last used about 1 month ago

EXT####Reveal
SEASONAL CODE

Seasonal promo code

Last used about 2 months ago

JA###Reveal
NEW CODE

Community-sourced First Alert discount

Last used about 1 month ago

WEL######Reveal
SEASONAL CODE

Seasonal code

Last used about 1 month ago

MA###Reveal
NEW CODE

Community-sourced First Alert discount

Last used about 1 month ago

NE###Reveal
NEW CODE

Community-sourced First Alert coupon

Last used about 2 months ago

FRI######Reveal
SEASONAL CODE

Seasonal code

Last used about 2 months ago

MA###Reveal
SEASONAL CODE

Seasonal coupon code

Last used about 2 months ago

NO###Reveal
SEASONAL CODE

Seasonal First Alert discount code

Last used about 1 month ago

MA###Reveal
SEASONAL CODE

Seasonal coupon code

Last used about 2 months ago

SE###Reveal
SEASONAL CODE

Seasonal First Alert code

Last used about 2 months ago

FE###Reveal
NEW CODE

Community-sourced First Alert code

Last used about 2 months ago

GE###Reveal