Carbon Monoxide Detectors

Make sure that your home is safe and secure with an easy-to-use carbon monoxide detector. Shop for stand alone-carbon monoxide detectors or combination units in fire detectors to keep your family, kids, and pets safe from the noxious gas.
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First Alert
$24.99

120-Volt AC plug-in alarmElectrochemical carbon monoxide sensorTest/silence button85-decibel hornEnd-of-life timerIncludes 5-year ...limited warranty. The First Alert CO600 Plug-In Carbon Monoxide Alarm is great for any standard outlet in your home. 1000 people are poisoned and 250 die every year from CO poisoning, but thanks to this device's accurate electrochemical sensor technology you'll be alerted to the danger you can't see, smell, or taste in the air. It also comes complete with a simple to use silence/test button, end-of-life timer, and an 85-decibel horn with mute function. The First Alert CO600 Plug-In Carbon Monoxide Alarm requires no mounting and is backed by a 5-year limited warranty. Additional Features Type: Plug-In Alarm Type: Carbon monoxide Use: Residential read more

First Alert
$24.99 $21.97

Electrochemical carbon monoxide alarmTest/silence button85-decibel hornEnd-of-life timerLow battery warningIncludes 2 AA batteries.... Protect your family as they sleep with the always vigilant First Alert CO400 Battery Operated Carbon Monoxide Alarm. 1000 people are poisoned and 250 die every year from CO poisoning, but with this device's electrochemical carbon monoxide sensor your household will always be safe. The First Alert CO400 Battery Powered Carbon Monoxide Alarm features a silence/test button, low battery warning, end-of-life timer, and a powerful 85-decibel siren with mute button. Includes 2 AA batteries and is backed by a 5-year limited warranty. Meets UL standards. Additional Features Type: AA battery Alarm Type: Carbon monoxide Use: Residential read more

Kidde
$74.99 $70.80

Senses carbon monoxide and explosive gasSleek design for any standard outletEasy-to-read digital displayShows Continuous CO values... from 30 - 999 PPM85-decibel alarmHide-a-way cord. Safeguard your home from two threats with the affordable and easy-to-install Kidde 900-0113-02 Plug-In Carbon Monoxide & Explosive Gas Alarm. This plug-in device with hide-a-way cord allows for direct or remote plug-in and also includes a 9-volt battery back-up in case your outlets ever fail you. The alarm features a loud 85-decibel alarm and a digital display that can read out CO levels continuously from 30 to 999 PPM. Backed by a 5-year limited warranty. Additional Features Type: Plug-in Battery back-up Alarm Type: Carbon Monoxide and Explosive Gas Use: Residential read more

First Alert
$25.99

Carbon monoxide travel alarmElectrochemical signal detects leaks85-decibel hornPortable design with no installation requiredInclud...es 9-volt battery and travel pouch. You'll sleep sound in any hotel motel or dorm room with the First Alert CO250T Battery Operated Carbon Monoxide Travel Alarm with Bag. This lightweight portable device uses an electrochemical sensor to detect carbon monoxide and sounds an 85 decibel horn when there's trouble. 1000 people are poisoned and 250 die from CO exposure every year but with this ETL listed device accompanying you on your travels you'll never have to worry about becoming a statistic. The First Alert CO250T Battery Operated Carbon Monoxide Travel Alarm is backed by a 7-year limited warranty and includes a 9-volt battery and convenient travel pouch. Additional Features Type: 9V long battery Alarm Type: Carbon monoxide Use: Residential read more

Kidde
$68.99 $45.55

Plug-in alarm with battery backupDigital display shows CO level and CO peakLoud siren6-foot power cord and table-top mounting opti...ons5-year limited warranty. The Kidde 900-0076-01 Plug-In Carbon Monoxide Alarm utilizes sophisticated electronic components and sensor technology to protect your family from the silent killer carbon monoxide. This discreet alarm fits into any standard outlet so that it can go anywhere in your home. It features a digital display of CO levels that's easy-to-read a loud siren that the whole house can hear and it comes with mounting hardware and a 6-foot power cord for a variety of mounting options that best suit your surroundings. 9-volt battery and installation guide included. Additional Features Type: Plug-in Battery-backup Alarm Type: Carbon monoxide Use: Residential read more

First Alert
$33.99 $28.59

UL-listed carbon monoxide and smoke detector setIonization smoke sensing technologyElectrochemical carbon monoxide sensorTest/sile...nce button85-decibel horn and lightsMounts easily to any surface. The First Alert SCO403 Carbon Monoxide and Smoke Alarm Combination Pack mounts easily to ceilings or walls and is great for mobile homes and RVs. This pair of extra-loud 85-decible alarms features the most accurate technology for sensing CO or smoke so that you're well aware of any smoldering fires or poisonous leaks. Each device is powered by a 9-volt battery and features a test/silence button blinking light and a 5-year limited warranty. Additional Features Type: Battery Alarm Type: Carbon monoxide and Smoke Use: Residential read more

First Alert
$49.99 $41.90

120-Volt hardwired smoke and carbon monoxide alarmIonization and electromechanical technologyTest/silence button85-decibel horn an...d lightsUniversal mounting bracketWired directly into your electrical systemIncludes 9V battery backup. Why install 2 boxes when you could have the best in home safety in one convenient device! The First Alert SC9120B Hardwired Combination Carbon Monoxide and Smoke Alarm with battery backup uses ionization technology and an electromechanical sensor to detect smoldering fires and poisonous leaks in seconds. The alarm comes with a universal mounting bracket test/silence button tamper-resistant locking pins latching alarm indicator and an 85-decibel siren. Plug this 2-in-1 system into any 120V outlet or activate the 9V backup battery for continuous detection anytime anywhere. Backed by a 7-year limited warranty and meets all new construction requirements. Additional Features Type: Hardwired Alarm Type: Carbon monoxide and Smoke Use: Residential read more

Kidde
$38.99 $32.58

Battery operated carbon monoxide alarmTest/rest button end-of-life alertMeets UL requirements7-year limited warrantyIncludes 3 AA ...batteries. The Kidde 21007268 Battery Operated Nighthawk DC Carbon Monoxide Alarm features an efficient design that lasts 40% longer than traditional CO alarms. This is a great way to provide reliable protection to your family from the dangers of carbon monoxide which can go unseen tasted or smelled. The battery operated alarm comes with 3 AA batteries is easy to install and boasts a sleek design that looks great in all living areas. Additional Features Type: 3 AA batteries Alarm Type: Carbon monoxide Use: Residential read more

First Alert
$35.99 $32.31

120-Volt AC plug-in alarm with backup batteryElectrochemical carbon monoxide sensorTest/silence button85-decibel hornEnd-of-life t...imerIncludes 9-volt backup battery. The First Alert CO605 Plug-In Carbon Monoxide Alarm is great for any standard outlet in your home and it comes with a back-up 9-volt battery so it runs even when the electricity isn't. 1000 people are poisoned and 250 die every year from CO poisoning, but thanks to this device's accurate electrochemical sensor technology you'll be alerted to the danger you can't see, smell, or taste in the air. It also comes complete with a simple to use silence/test button, end-of-life timer, and an 85-decibel horn with mute function. The First Alert CO605 Plug-In Carbon Monoxide Alarm requires no mounting and is backed by a 7-year limited warranty. Additional Features Type: Plug-In Alarm Type: Carbon monoxide Use: Residential read more

First Alert
$42.99 $30.69

120-Volt AC plug-in alarm with digital displayElectrochemical carbon monoxide sensorTest/silence button85-decibel hornEnd-of-life ...timerIncludes 2 AA batteries for backup power. The First Alert CO615 Plug-In Carbon Monoxide Alarm uses the most accurate technology available and it fits standard outlets without additional mounting. 1000 people are poisoned and 250 die every year from CO poisoning but this plug-in alarm with backup battery power prevents such disasters by utilizing a top-of-the-line electrochemical carbon monoxide sensor. This sensor instantly picks up on the danger you can't see, smell, or taste in on the air and the device's easy-to-read LED display clearly shows current CO concentrations in parts per million! The First Alert CO615 Plug-In Carbon Monoxide Alarm also features a silence/test button, low battery warning, end-of-life timer, and includes 2 AA batteries. Backed by a 5-year limited warranty. Additional Features Type: Plug-In Alarm Type: Carbon monoxide Use: Residential read more

First Alert
$46.99 $34.60

Hardwired alarm with digital displayIntelligent sensing technologyTest/silence button85-decibel hornLatching alarm indicatorSide l...oad battery drawer with 9-Volt backup battery. The First Alert CO5120PDBN Hardwired Carbon Monoxide Alarm features an easy-to-read LED digital display and battery backup. 1000 people are poisoned and 250 die every year from CO poisoning but the intelligent sensing technology the most accurate technology available will alert you to the danger that would otherwise go unseen smelled or tasted in the air. The alarm's digital display gives a clear readout of current CO concentrations in parts per million and it also comes with a silence/test button 85-decibel siren and latching alarm indicator. Includes a 7-year limited warranty and meets all codes required for new construction. Additional Features Type: Hardwired Alarm Type: Carbon monoxide Use: Residential read more

First Alert
$52.00

First Alert battery operated talking combination smoke alarm and carbon monoxide detector has a mute button to silence any nuisanc...e alarms Single button tests all alarm functions Voice alarm is easy to program for alarm39s location within the home 11... read more

First Alert
$42.99 $36.73

2 Electrochemical carbon monoxide alarmsTest/silence button85-decibel hornEnd-of-life timerLow battery warningIncludes 2 AA batter...ies. Remain vigilant over both ends of the house or protect multiple floors with the First Alert CO400CN2 Battery Operated Carbon Monoxide Alarm - 2 Pack. 1000 people are poisoned and 250 die every year from CO poisoning, but with this device's electrochemical carbon monoxide sensor your household can breathe easy knowing that the odorless, tasteless gas fume is nowhere under your roof. The First Alert CO400CN2 Battery Powered Carbon Monoxide Alarm features a silence/test button, low battery warning, end-of-life timer, and a powerful 85-decibel siren with mute button. Includes 2 AA batteries and is backed by a 5-year limited warranty. Meets UL standards. Additional Features Type: AA battery Alarm Type: Carbon monoxide Use: Residential read more

Extech Instruments
$249.99

Carbon Monoxide Detector, Measurement Range 0 To 1000 PPM, Accuracy +/-10 PPM Or +/-5% Of Reading Whichever Is Greater, Resolution... 1 PPM, LCD Display With Back Light, Sensor Life 3 Yr (Typical), Low Battery Indicator, Auto Power Off, Features... read more

GENERAL
$138.18

Carbon Monoxide Detector, Carbon Monoxide Measurement Range 0 to 999 ppm, Temp. Range 14 Degrees to 140 Degrees Fahrenheit (-10 De...grees to 60 Degrees Centigrade), Accuracy +/-20 Percent from 0 to 100 ppm and +/-15 Percent from 100 to 500 ppm,... read more

Premier
$356.36

For updated, accurate country of origin data, it is recommended that you rely on product packaging or manufacturer information. On...e Button on with Auto Zero. One Button on with Auto Zero- Measures From 0 to 999 Ppm- Captures Maximum Value- Preset... read more

Copperfield
$371.58

Chimney has been filling the supply and accessory needs of over 8 000 chimney sweeps hearth retailers masons and contractors for o...ver 25 years. Chimney has the privilege of serving over 80% of the chimney professionals in America.Founded by Robert... read more

Universal Enterprises
$78.83

Carbon Monoxide Detector, Carbon Monoxide Measurement Range (PPM) 0 to 999, Carbon Dioxide Concentration 0 to 999 ppm, Temp. Range... 14 Degrees to 440 Degrees F, Relative Humidity Range 30 Percent to 70 Percent, Air Velocity (FPM) 100 to 4000, Accuracy... read more

Fieldpiece
$183.96

The ACM4 is a carbon monoxide detector (CO detector) accessory head for use with Fieldpiece modular instruments. It has a fast rea...cting electrochemical sensor specific designed to detect carbon Monoxide (CO). Use the ACM4 to hunt down sources of... read more

First Alert/Jarden
$51.87

120V plug-in with a battery backup. Digital LED (light emitting diode) display with easy view back light. Displays carbon monoxide... concentration in parts per million. Electrochemical carbon monoxide sensor. Loud 85dB alarm with mute button, low battery... read more

SDI
$25.55

Carbon Monoxide Detector Tester, Provides Aerosol for Functional Testing of Carbon Monoxide Detectors with Built In Speed Up Featu...re, For Use With Residential or Commercial Detectors, Height 6 In., Length 10 In., Width 8 In., Operating Temp. 50 Degrees... read more

UEI TEST INSTRUMENTS
$75.21

Carbon Monoxide Detector Adapter, Compatible Smart Phones Android or iOS Devices, Carbon Monoxide Measurement Range 0 to 999 ppm, ...Carbon Monoxide Resolution 1 ppm, Carbon Monoxide Accuracy +/3 Percent of Reading + 1 ppm, Ambient Temp. Range 32 Degrees... read more

UTL
$103.40

UEI instruments offers the ultimate value in high quality test equipment. The rigorous quality control assures that the product th...at you purchase will be the best possible. Features Auto zero and auto-calibration feature. Powered by batteries, Auto... read more

Fieldpiece
$219.86

The SCM4 Carbon Monoxide (CO) Detector has a very fast reaction time, and measures CO in parts per million (ppm). Its electrochemi...cal sensor is fast enough for walk-around tests. Features and benefits include: Field-replaceable CO sensor Advanced... read more

PRO-LAB
$9.22

PRO-LAB Carbon Monoxide Test Kit can detect the Invisible and Odorless carbon monoxide gas. The sensor button will turn grey to bl...ack within fifteen minutes. The sensor button will return to it is original color and be ready for reuse when exposed to... read more

Gentex
$101.82

The Gentex GN503FF is a single or multiple station combination smoke and carbon monoxide alarm. It''s designed for 120V hardwired ...use and features a 9V battery backup for ensured safety even when power is lost. This Gentex smoke/carbon monoxide alarm... read more

Shopperheads
$50.98 $14.99

Sensor loudly alerts your household when it detects the presence of harmful carbon monoxide gas

$19.99

Safeguard your home from the harmful and deadly effects of carbon monoxide with this battery-operated electrochemical sensor from ...First Alert® that monitors your home's indoor air even during power outages. read more

$59.99

Be sure to keep your home protected in case of smoke or carbon monoxide in your home with this First Alert Alarm. This has been pr...oven to last for 10 years without an additional power source and is built with an array of convenient features. read more

$24.99

Safeguard your home from the harmful and deadly effects of carbon monoxide with this plug-in electrochemical sensor with convenien...t battery backup that will continuously monitor your home's indoor air even in the event of a power outage. read more

UEI TEST INSTRUMENTS
$616.95

Carbon Monoxide Analyzer, Carbon Monoxide Measurement Range (PPM) 0 to 1999 ppm, Carbon Dioxide Concentration +/-10 ppm Less Than ...100 ppm, Temp. Range 32 Degrees to 104 Degrees F, Accuracy +/-5 Percent, Display LCD, Auto Power Off Yes, Low Battery... read more

Silent Call
$227.06

This carbon monoxide detector is easy to set up - just plug it in! When the detector is activated it will activate the strobe ligh...t that is hard-wired into it. The 110 volt carbon monoxide detector comes with a strobe unit and AC adapter. Item Weight -... read more

UEI TEST INSTRUMENTS
$676.16

Carbon Monoxide Detector, Carbon Monoxide Measurement Range (PPM) 0 to 1000, Temp. Range 32 Degrees to 112 Degrees F, Humidity Acc...uracy 10 to 90 Percent, Resolution 1 PPM, Display Digital, Auto Power Off No, Low Battery Indicator Yes, Sensor Life 5... read more

Kidde
$195.49

6 Pack, 110V, AC, Carbon Monoxide Detector, Digital Display, Peak Level Memory, Battery Back Up, Retractable Cord For Wall Mount O...r Direct Plug, All In 1 Unit, 5 Year Warranty, UL Listed To 2034 Standard, Color: White. read more

National Brand Alternative
$36.76

This alarm utilizes sophisticated electronic components to protect users from the dangers of carbon monoxide. Its slide-out batter...y door provides immediate battery access, while its safety feature makes it difficult to close the door without the... read more

Kidde
$75.97

Protect your home from dual threats by utilizing the Kidde AC Combination Carbon Monoxide/Explosive Gas Alarm. This combination al...arm features a digital display that shows the current level of carbon monoxide or methane or propane gas in the air. When... read more

Home Safeguard
$11.91

Item: Carbon Monoxide Detector Tester, Aerosol, Provides: 7 to 10 Tests, For Use With: Residential or Commercial Detectors, Operat...ing Temp.: 56 to 120 Degrees F, Standards: UL, Manufacturers Warranty Length: 100% Lifetime read more

Silent Call
$207.78

The 418MHz Signature Series uses radio frequency technology, allowing you freedom and flexibility with outstanding features and in...creased range of up to 2,000 feet. Quickly know when you have visitors, telephone calls or emergencies with the bright... read more

Interlogix
$72.03

For updated, accurate country of origin data, it is recommended that you rely on product packaging or manufacturer information. Th...e InterlogixSafeAir 250-CO carbon monoxide (CO) detector is an accurate and reliable means of alerting building occupants... read more

Kidde
$46.38

The Kidde AC/DC carbon monoxide alarm uses advanced electromechanical sensing technology to monitor for carbon monoxide levels. It...s clean, low-profile design includes two LED lights—green for normal operation and red for alarm mode. Easy... read more

UEI TEST INSTRUMENTS
$202.57

Carbon Monoxide Detector, Carbon Monoxide Measurement Range (PPM) 0 to 999, Carbon Dioxide Concentration N/A, Temp. Range 32 Degre...es to 104 Degrees F, Relative Humidity Range N/A, Dew Point Range N/A, Oxygen Concentration N/A, Accuracy +/3 Percent of... read more

TEST PRODUCTS INTL.
$357.72

Combustible Gas and Carbon Monoxide Detector, Detects Combustible Gases and Carbon Monoxide, Measuring Range 0 to 2000 ppm, Audibl...e and Visual Indicator, Features 16-In. Flexible Probe, Low Power Semiconductor Sensor, Sensitive to 50 ppm (Methane),... read more

Cicso Independent
$186.24

This carbon monoxide detector is easy to set up - just plug it in! When the detector is activated it will activate the transmitter... that is hardwired into it. When using the model with the transmitter, your Silent Call personal receiver will alert you... read more

USI
$49.20

120 Volt AC Wired-In 9 Volt Battery BackUp Self Diagnostic Feature Product End-of-Service Life Warning Test/Reset Button Quick Dra...w™ Battery Drawer LEDs Indicate: Power, CO & Gas Interconnectable up to 24 Compatible Devices Quick Find Alarm... read more

2gig
$76.87

Wirelss Communication with Go Control Security Panel Battery Operated with Low Battery Notification Built-In 85 Decibel Sounder- I...ncluded lithium battery - Built-in 85 decible sounder - Full monitoring of alarm /low battery/and tamper conditions -... read more

2gig
$76.87

Wirelss Communication with Go Control Security Panel Battery Operated with Low Battery Notification Built-In 85 Decibel Sounder- I...ncluded lithium battery - Built-in 85 decible sounder - Full monitoring of alarm /low battery/and tamper conditions -... read more

Nest
$119.00

This Protect Wired Smoke and Carbon Monoxide Detector from Nest is the ultimate smoke alarm for your home. Re-designed from the in...side out, it has an industrial-grade smoke sensor, can be silenced from your phone, tests itself automatically and lasts... read more

USI
$56.59

This AC wired-in smoke, CO, and natural gas detector interconnects with up to 24 compatible devices to provide complete protection... inside any structure. It’s listed to UL2034 standards. Features Ionization Sensor Microprocessor Virtually Eliminates... read more

Kidde
$34.00

Kidde 10-year, sealed battery, smoke and carbon monoxide alarm that features photoelectric andelectrochemical sensing technology w...ith Smart Hush feature. This Smoke and Carbonmonoxide alarm combines the detection capabilities ofa photoelectric sensor... read more

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