Best Seller
Gentex Direct Wire Smoke/Carbon Monoxide Combination Alarm - Relay Included

Gentex Direct Wire Smoke/Carbon Monoxide Combination Alarm - Relay Included

Descriptions Gentex Direct Wire Smoke/Carbon Monoxide Combination Alarm - Relay Included Direct Wire Combination Carbon Monoxide And Photoelectric Smoke Alarm - 120 Volt - Electrochemical - Test/Silence Button - Locking Feature - Separate Smoke And CO... more

$108.60

FREE shipping

go to store
Gentex GN-503FF Smoke & Carbon Monoxide Alarm, 120V Hardwired Interconnectable Photoelectric w/9V Battery Backup, T3 & T4 Horns, & A/C Contacts (918-0021-002)

Gentex GN-503FF Smoke & Carbon Monoxide Alarm, 120V Hardwired Interconnectable Photoelectric w/9V Battery Backup, T3 & T4 Horns, & A/C Contacts (918-0021-002)

Horn frequency 3100 Hz (nominal) Meets sensitivity requirements of ANSI/UL 2034 Two (2) sets of Form A/Form C contacts that activate independently for smoke and CO events Relay contacts operate on battery back-up Push button self-test feature Push... more

$128.18 $94.85

go to store
Best Seller
Gentex - GN503FF - Gentex GN-503FF Combo carbon monoxide and photoelectric smoke detector unit. Combo CO-smoke detector, As Shown

Gentex - GN503FF - Gentex GN-503FF Combo carbon monoxide and photoelectric smoke detector unit. Combo CO-smoke detector, As Shown

Information Name: SMOKE/CO ALARM, 2SETS RELAYS Description: Smoke/Co Alarm, 2Sets Relayss Category: Single Multiple Station UPC Code: 700217035429 Color: As Shown. more

$102.09

FREE shipping

go to store
Gentex Hard Wired Smoke & Carbon Monoxide Alarm with Backup, As Shown

Gentex Hard Wired Smoke & Carbon Monoxide Alarm with Backup, As Shown

This combination smoke and carbon monoxide alarm is hard wired with battery backup for reliable notification in homes, apartments, hospitals, hotels, motels and other commercial properties. This is a photoelectric single station smoke alarm with... more

$94.04

FREE shipping

go to store
Hardwired Interconnected CO Alarm with Dualink and Relay Contacts

Hardwired Interconnected CO Alarm with Dualink and Relay Contacts

Free Shipping on Over 500K Items!

The Gentex CO1209F electrochemical carbon monoxide (CO) alarm is for use as an evacuation device in all dwelling units, including but not limited to homes, apartments, hospitals and hotels/motels. The CO1209F is engineered to eliminate nuisance alarms... more

$43.99

go to store
Hardwired Interconnected CO Alarm with Dualink

Hardwired Interconnected CO Alarm with Dualink

Free Shipping on Over 500K Items!

The Gentex CO1209 electrochemical carbon monoxide (CO) alarm is for use as an evacuation device in all dwelling units, including but not limited to homes, apartments, hospitals and hotels/motels. The CO1209 is engineered to eliminate nuisance alarms... more

$34.96

go to store
Hardwired Interconnected Photoelectric Smoke and CO Alarm with Dualink, Battery Backup and Relay Contacts

Hardwired Interconnected Photoelectric Smoke and CO Alarm with Dualink, Battery Backup and Relay Contacts

Free Shipping on Over 500K Items!

The Gentex GN-503F is a combination photoelectric smoke and electrochemical carbon monoxide (CO) alarm for use as an evacuation device in all dwelling units, including but not limited to homes, apartments, hospitals, and hotels/motels. The GN-503F is... more

$57.74

FREE shipping

go to store
MTI Industries 12V 25 Series Safe-T-Alert Mini RV Dual Carbon Monoxide/Propane Alarm, White

MTI Industries 12V 25 Series Safe-T-Alert Mini RV Dual Carbon Monoxide/Propane Alarm, White

Safe-T-Alert has served the RV and marine industry since 1979. Color: White. Gender: Male. more

$91.62

FREE shipping

go to store
Kidde C3010D Worry-Free Carbon Monoxide Alarm with Digital Display and 10 Year Sealed Battery

Kidde C3010D Worry-Free Carbon Monoxide Alarm with Digital Display and 10 Year Sealed Battery

The Kidde C3010D is a 10-year, sealed battery, carbon monoxide alarm that uses electro-chemical sensing technology to protect you and family from the dangers of carbon monoxide. The C3010D alarm will automatically activate when attached to the mounting... more

$51.32

FREE shipping

go to store
Nest Protect Smoke & Carbon Monoxide Alarm, Wired (2nd Gen)

Nest Protect Smoke & Carbon Monoxide Alarm, Wired (2nd Gen)

Nest Protect looks for fast-burning fires, smoldering fires, and carbon monoxide. It tells you where the danger is and alerts your phone in case you’re not home. more

$99.00

FREE shipping

go to store
First Alert Co400 Battery-powered Carbon Monoxide Alarm (no Digital Display)

First Alert Co400 Battery-powered Carbon Monoxide Alarm (no Digital Display)

Battery powered carbon monoxide detector from First Alert with mute button to silence any nuisance alarms. Single button also tests alarm functions. Utilizes electrochemical sensor for increased accuracy. Easy, front access to the battery. 5-year... more

$35.26

go to store
First Alert Prc710 10-year Sealed-battery Photoelectric Smoke & Carbon Monoxide Alarm

First Alert Prc710 10-year Sealed-battery Photoelectric Smoke & Carbon Monoxide Alarm

Keep your home safe from fire The First Alert Photoelectric Smoke Alarm features a new, slim-round design and uses maximum-protection photoelectric technology. It lasts a full 10 years without needing to have a battery changed, and patented smoke entry... more

$61.51

go to store
"Kidde KN-COB-LCB-A Item Number 900-0193 AC Powered Plug-In CO Carbon Monoxide Alarm, with Battery Backup, Tamper Resistant"

"Kidde KN-COB-LCB-A Item Number 900-0193 AC Powered Plug-In CO Carbon Monoxide Alarm, with Battery Backup, Tamper Resistant"

"Kidde KN-COB-LCB-A Item Number 900-0193 AC Powered Plug-In CO Carbon Monoxide Alarm, with Battery Backup, Tamper Resistant, Low Battery Indicator and Test Reset Button" more

$29.89

go to store
Kidde KN-COPP-B-LS 900-0230 Nighthawk Carbon Monoxide Alarm, Battery Operated with Digital Display

Kidde KN-COPP-B-LS 900-0230 Nighthawk Carbon Monoxide Alarm, Battery Operated with Digital Display

The nighthawk, dc battery operated carbon monoxide alarm, easy to install unit that provides reliable protection against the dangers of carbon monoxide, written information & instruction, easy for anyone to understand, small, sleek design that is... more

$34.28

go to store
Dorm Nest Protect Second Generation Wired Smoke And Carbon Monoxide Alarm White

Dorm Nest Protect Second Generation Wired Smoke And Carbon Monoxide Alarm White

After being hard-wired into your home's electrical system, Nest Protect's Second Wired Smoke and Carbon Monoxide Alarm will speak its warning if it detects smoke or CO in the air. If you connect to WiFi, you will receive warnings from home on your phone. more

$99.00

FREE shipping

go to store
M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup

M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup

Click here for additional savings!

The Universal Security Instruments Electric MCND401B Plug-In Carbon Monoxide and Natural Gas Smart Alarm is a 2-in-1 device that provides double the protection with a single installation. This dual-sensing alarm protects against two deadly household... more

$36.70

go to store
First Alert PC910 White Combo Smoke & Carbon (Black) Monoxide Alarm (Alarm)

First Alert PC910 White Combo Smoke & Carbon (Black) Monoxide Alarm (Alarm)

2 in 1 combo smoke and carbon monoxide alarm 10-year alarm life No battery replacements Photoelectric nuisance resistant technology Electrochemical sensor New sleek/thin design 3V lithium power cell included Power LED and alarm indicator Mute/silence... more

$40.00

go to store

Overstock.com

(675,000+)
USI Carbon Monoxide Smart Alarm: Carbon Monoxide and Natural Gas Smart Alarm

USI Carbon Monoxide Smart Alarm: Carbon Monoxide and Natural Gas Smart Alarm

Home alarms sniff for carbon monoxide and avoid making unnecessary alarms; choose between sealed battery or alarm that also finds gas leak Size: Large. Color: Natural. Gender: Unisex. Age Group: Adult. more

$32.99 $26.99

go to store
USI Carbon Monoxide Smart Alarm: Carbon Monoxide Smart Alarm with Sealed Battery

USI Carbon Monoxide Smart Alarm: Carbon Monoxide Smart Alarm with Sealed Battery

Home alarms sniff for carbon monoxide and avoid making unnecessary alarms; choose between sealed battery or alarm that also finds gas leak more

$32.99 $25.99

go to store
Carbon Monoxide Smart Alarm with 10 Year Sealed Battery

Carbon Monoxide Smart Alarm with 10 Year Sealed Battery

Click here for additional savings!

The Universal Security Instruments MC304SB Carbon Monoxide Smart Alarm provides 10 years of continuous protection against the silent killer - carbon monoxide. Perfect for new or replacement installations, this maintenance-free alarm is suitable for... more

$23.40

go to store
Kidde 21010071 Kitchen Smoke or Carbon Monoxide Alarm, Lithium Battery

Kidde 21010071 Kitchen Smoke or Carbon Monoxide Alarm, Lithium Battery

Make personal safety your priority with this durable combination smoke and carbon monoxide alarm, with a ten - year product life. This unit comes equipped with a sealed - in lithium power supply that lasts the entire ten - year life of the alarm and... more

$86.09 $63.67

go to store
M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup

M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup

Click here for additional savings!

The Universal Security Instruments Electric MCN400B Plug-In Carbon Monoxide and Natural Gas Smart Alarm is a 2-in-1 device that provides double the protection with a single installation. This dual-sensing alarm protects against two deadly household... more

$28.34

go to store
BRK SCO2B Smoke and Carbon Monoxide Alarm

BRK SCO2B Smoke and Carbon Monoxide Alarm

Smoke and Carbon Monoxide Alarm, Detection Method Ionization, Electrochemical, No Interconnection Capability, Power Source 9V, Audible Alert 85dB @ 10 ft., Horn, Visual Alert Red LED, Diameter 5-5/8 In., Height 2 In., Width -, Digital Readout No,... more

$28.97

go to store
First Alert Carbon (Black) Monoxide and Gas Alarm (Plastic)

First Alert Carbon (Black) Monoxide and Gas Alarm (Plastic)

Most accurate carbon monoxide sensor available Most advanced technology for extra protection from gas leaks and carbon monoxide Accurate display easily identifies hazard Backlit for greatest visibility Plug in alarm with battery backup for protection... more

$69.77

FREE shipping

go to store

Overstock.com

(675,000+)
Carbon Monoxide Alarm, Kidde, KN-COB-DP2

Carbon Monoxide Alarm, Kidde, KN-COB-DP2

Carbon Monoxide Alarm, Detection Method Electrochemical, No Interconnection Capability, Power Source 120VAC, (2) AA Batteries, Audible Alert 85dB @ 10 ft., Visual Alert Red LED, Height 3-7/8 In., Depth 1-3/4 In., Width 5 In., Digital Readout No,... more

$29.99

go to store
Kidde 26359 - 120 volt Plug In Digital Display Voice Alarm Carbon Monoxide Alarm (10 Year Battery Backup Included) (21026359 KN-COP-DP-10YB)

Kidde 26359 - 120 volt Plug In Digital Display Voice Alarm Carbon Monoxide Alarm (10 Year Battery Backup Included) (21026359 KN-COP-DP-10YB)

Kidde 120 volt - Plug In - Bedroom - Digital Display - Voice Alarm - 10-year Sealed Lithium Battery Backup - ClamShell - Carbon Monoxide Alarm | Kidde Carbon Monoxide Alarm / Detector (10-year Battery Backup Included) (21026359 KN-COP-DP-10YB 26359) more

$61.89

go to store
First Alert Carbon Monoxide Plug-in Alarm (battery Backup & Digital Display)

First Alert Carbon Monoxide Plug-in Alarm (battery Backup & Digital Display)

First Alert Carbon Monoxide Plug-In Alarm features a back-lit display for easy viewing and battery backup.Ez-view Backlit Digital Carbon Monoxide Level Display Uses Electrochemical Carbon Monoxide Sensor The Most Accurate Technology Available... more

$78.29

go to store
Kidde KN-COB-B-LS Item Number 900-0233 Battery Powered CO Carbon Monoxide Alarm with Test Button and Low Battery Signal

Kidde KN-COB-B-LS Item Number 900-0233 Battery Powered CO Carbon Monoxide Alarm with Test Button and Low Battery Signal

Kidde KN-COB-B-LS Item Number 900-0233 Battery Powered CO Carbon Monoxide Alarm with Test Button and Low Battery Signal more

$18.79

go to store
Onelink Wi-Fi Smoke and Carbon Monoxide Alarm, Hardwire With Battery Backup

Onelink Wi-Fi Smoke and Carbon Monoxide Alarm, Hardwire With Battery Backup

The Onelink by First Alert Smoke and Carbon Monoxide Alarm (AC Power with 10-Year Battery Backup) makes your home a safer place by keeping you connected via an app on your iPhone, iPad or iPod touch. Easy to set up and install, this alarm will alert... more

$114.98

go to store
"Kidde KN-COB-IC Item Number 900-0120 AC Powered CO Carbon Monoxide Alarm, Quick Connect and Adjustable Mounting Bracket"

"Kidde KN-COB-IC Item Number 900-0120 AC Powered CO Carbon Monoxide Alarm, Quick Connect and Adjustable Mounting Bracket"

"Kidde KN-COB-IC Item Number 900-0120 AC Powered CO Carbon Monoxide Alarm, with Battery Backup, Quick Connect and Adjustable Mounting Bracket, Interconnects with other Kidde Alarm" more

$34.04

FREE shipping

go to store
First Alert GC01CN 3-in-1 Explosive Gas and Carbon Monoxide Alarm

First Alert GC01CN 3-in-1 Explosive Gas and Carbon Monoxide Alarm

The 3-In-1 Explosive Gas and Carbon Monoxide Alarm from First Alert warns against natural/methane, propane, and carbon monoxide. The digital display makes for easy reading during an alarm or when any button is pressed. The alarm plugs into any standard... more

$56.13

go to store
BRK SC9120B Smoke and Carbon Monoxide Alarm

BRK SC9120B Smoke and Carbon Monoxide Alarm

Smoke and Carbon Monoxide Alarm, Detection Method Ionization, Electrochemical, Up to 18 Units Interconnection Capability, Power Source 120VAC, 9V, Audible Alert 85dB @ 10 ft., Horn, Visual Alert Red LED, Diameter 5-5/8 In., Height 2 In., Width -,... more

$34.54

go to store
Kidde 25759 - 120 volt Plug-In Carbon Monoxide Alarm with Battery Backup (AA Batteries Included) (21025759 KN-COB-DP2)

Kidde 25759 - 120 volt Plug-In Carbon Monoxide Alarm with Battery Backup (AA Batteries Included) (21025759 KN-COB-DP2)

Kidde 120 volt - AC - Plug-In | Kidde Carbon Monoxide Alarm / Detector with Battery Backup (AA Batteries Included) (21025759 KN-COB-DP2 25759) more

$30.49

go to store
Kidde 26354 - 120 volt Plug In Carbon Monoxide Alarm (10 Year Battery Backup Included) (21026354 900-0280)

Kidde 26354 - 120 volt Plug In Carbon Monoxide Alarm (10 Year Battery Backup Included) (21026354 900-0280)

Kidde 120 volt - Plug In - Digital Display - Carbon Monoxide - 10 Year Battery Backup | Carbon Monoxide / Detector (10 Year Battery Backup Included) (21026354 900-0280 26354) more

$89.99

go to store
Kidde 900-0076-01 Plug-In Carbon Monoxide Alarm - 1092-1344

Kidde 900-0076-01 Plug-In Carbon Monoxide Alarm - 1092-1344

Plug-in alarm with battery backupDigital display shows CO level and CO peakLoud siren6-foot power cord and table-top mounting options5-year limited warranty. The Kidde 900-0076-01 Plug-In Carbon Monoxide Alarm utilizes sophisticated electronic... more

$45.55

go to store
First Alert CO5120PDBN Hardwired Carbon Monoxide Alarm - CO5120PDBN

First Alert CO5120PDBN Hardwired Carbon Monoxide Alarm - CO5120PDBN

Hardwired alarm with digital displayIntelligent sensing technologyTest/silence button85-decibel hornLatching alarm indicatorSide load battery drawer with 9-Volt backup battery. The First Alert CO5120PDBN Hardwired Carbon Monoxide Alarm features an... more

$42.90 $33.00

go to store
First Alert CO615 Plug-In Carbon Monoxide Alarm with Battery Backup Digital Dis White

First Alert CO615 Plug-In Carbon Monoxide Alarm with Battery Backup Digital Dis White

Plug-In Carbon Monoxide Alarm with Battery Backup, Digital Display, 2 Silence Features, Peak Level Recall and Remote Controlled Test Silence Plug-in carbon monoxide alarm with digital display and battery backup meets most state and local codes for... more

$67.45 $48.88

FREE shipping

go to store
First Alert Co605 Carbon Monoxide Alarm With Battery Backup White

First Alert Co605 Carbon Monoxide Alarm With Battery Backup White

Safeguard your home from the harmful and deadly effects of carbon monoxide with this plug-in electrochemical sensor with convenient battery backup that will continuously monitor your home's indoor air even in the event of a power outage. more

$24.99

go to store
Dorm Nest Protect Second Generation Battery Smoke And Carbon Monoxide Alarm White

Dorm Nest Protect Second Generation Battery Smoke And Carbon Monoxide Alarm White

After you install the Nest Protect Second Generation Battery Smoke and Carbon Monoxide Alarm in your home, you will feel much safer. A voice will reliably alert you to any problems. It can even be connected to Wi-Fi for phone alerts away from home. more

$99.00

FREE shipping

go to store
FIRST ALERT PC900V 2-in-1 Smoke & Carbon Monoxide Alarm with Voice

FIRST ALERT PC900V 2-in-1 Smoke & Carbon Monoxide Alarm with Voice

FIRST ALERT PC900V 2-in-1 Smoke & Carbon Monoxide Alarm with Voice more

$71.58 $62.24

FREE shipping

go to store

More information about Safety & Security

Best prices on Gentex carbon monoxide alarm in Safety & Security online. Visit Bizrate to find the best deals on top brands. Read reviews on Home & Garden merchants and buy with confidence.