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    First Alert BRK SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup

    First Alert BRK SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup

    The BRK SC9120B hardwire combination smoke and carbon monoxide alarm detects two hazards with one simple unit. Carbon monoxide (CO) is a colorless, odorless, deadly gas. It can be emitted by sources including gas or oil furnaces, gas clothes dryers,... more

    $34.30

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    First Alert Sc9120b Hardwire Combination Smoke/carbon Monoxide Alarm

    First Alert Sc9120b Hardwire Combination Smoke/carbon Monoxide Alarm

    First Alert Hardwire Combination Smoke/Carbon Monoxide Alarm PRODUCT DESCRIPTION Model No:SC9120B The BRK hardwire combination smoke and carbon monoxide alarm detects two hazards with one simple unit. Carbon monoxide (CO) is a colorless, odorless,... more

    $255.46

    FREE shipping

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    First Alert Sc9120b Hardwire Combination Smoke/carbon Monoxide Alarm

    First Alert Sc9120b Hardwire Combination Smoke/carbon Monoxide Alarm

    First Alert Hardwire Combination Carbon Monoxide Alarm PRODUCT DESCRIPTION The BRK hardwire combination smoke and carbon monoxide alarm detects two hazards with one simple unit. Carbon monoxide (CO) is a colorless, odorless, deadly gas. It can be... more

    $245.87

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    First Alert SCO403 Carbon Monoxide and Smoke Detector, Combo Pack

    First Alert SCO403 Carbon Monoxide and Smoke Detector, Combo Pack

    The First Alert SCO403 Alarm Combination Pack has both a carbon monoxide (CO) and smoke alarm. This combo pack gives you the basic protection from both smoke and carbon monoxide at an affordable price. Carbon monoxide is the leading cause of accidental... more

    $27.77 $22.97

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    CO & Smoke Combination Alarms: First Alert Smoke Detectors Battery Operated Smoke and Carbon Monoxide Alarm SCO5CN

    CO & Smoke Combination Alarms: First Alert Smoke Detectors Battery Operated Smoke and Carbon Monoxide Alarm SCO5CN

    Free Shipping on Over 500K Items!

    Shop for Electrical at The Home Depot. The First Alert SC05CN Combination Smoke Alarm and Carbon Monoxide Detector helps protect you and your family from two deadly threats: fire and carbon monoxide. Fire is a deadly threat to every household; it can... more

    $29.97

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    HomeDepot.com

    (100,000+)
    CO & Smoke Combination Alarms: First Alert Smoke Detectors Battery Powered Combination Pack Smoke and Carbon Monoxide Alarm with Low Battery Alert SC0403

    CO & Smoke Combination Alarms: First Alert Smoke Detectors Battery Powered Combination Pack Smoke and Carbon Monoxide Alarm with Low Battery Alert SC0403

    Free Shipping on Over 500K Items!

    Shop for Electrical at The Home Depot. The SC0403 is a combination pack of Carbon Monoxide (CO) and smoke alarm. This product can detect the CO you can't see, smell or taste in the air. The unit monitors and re-alarms if carbon monoxide levels persist... more

    $27.87

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    HomeDepot.com

    (100,000+)
    First Alert Combination Explosive Gas and Carbon Monoxide Alarm GC01CN

    First Alert Combination Explosive Gas and Carbon Monoxide Alarm GC01CN

    First Alert Combination Explosive Gas and Carbon Monoxide Alarm Features: -Explosive gas and carbon monoxide alarm.-Most accurate carbon monoxide sensor available.-Most advanced technology for extra protection from gas leaks and carbon... more

    $79.99 $57.11

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    First Alert OneLink Enabled Smoke and Carbon Monoxide Alarm SC0501CN-3ST

    First Alert OneLink Enabled Smoke and Carbon Monoxide Alarm SC0501CN-3ST

    First Alert OneLink Enabled Smoke and Carbon Monoxide Alarm Features: -Smoke and carbon monoxide alarm.-Talking combination alarm with programmable location.-OneLink alarm protects family from two deadly threats including smoke and carbon monoxide.-All... more

    $139.99 $78.32

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    First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup

    First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup

    Superior carbon monoxide sensor and dual ionization smoke alarm Inter-connectable with BRK and First Alert hardwired smoke and carbon monoxide alarms Easy to install universal mount bracket Simple to use silence/test button; separate smoke and CO... more

    $59.99 $43.99

    FREE shipping

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    Rakuten.com Shopping

    (1,000,000+)
    BRK SC9120B

    BRK SC9120B

    The BRK SC9120B First Alert smoke amp; carbon monoxide alarm is a 120V AC/DC, hardwired smoke and carbon monoxide alarm with battery backup and an 85db horn. This BRK combo smoke amp; carbon monoxide is designed to reduce false alarms. Capable of being... more

    $33.60

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    CO & Smoke Combination Alarms: BRK Smoke Detectors Hardwired Interconnected Smoke and CO Alarm with Battery Backup SC9120B

    CO & Smoke Combination Alarms: BRK Smoke Detectors Hardwired Interconnected Smoke and CO Alarm with Battery Backup SC9120B

    Free Shipping on Over 500K Items!

    Shop for Electrical at The Home Depot. The BRK Hardwire Interconnectable Ionization Smoke and Carbon Monoxide Alarm detects two life-threatening hazards in 1 simple unit. This alarm uses visual and audible warnings when triggered and can easily be... more

    $47.97

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    HomeDepot.com

    (100,000+)
    FIRST ALERT GC01B CO/Gas Combination Alarm, Electrochemical

    FIRST ALERT GC01B CO/Gas Combination Alarm, Electrochemical

    $50+ Orders Ship Free

    Carbon Monoxide and Gas Alarm, Detection Method Electrochemical, No Interconnection Capability, Power Source 9V, (2) AA, Audible Alert 85dB 10 ft., Horn, Visual Alert Red LED, Height 55/8 In., Depth 17/8 In., Width 3 In., Digital Readout Yes, Battery... more

    $75.90

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    Zoro

    (10,000+)
    First Alert 2.1-cu ft Combo Safe 2096F-BD

    First Alert 2.1-cu ft Combo Safe 2096F-BD

    2. 1 cu. ft. waterproof- and fire-resistant safe. Patented, ready-seal technology allows you to bolt safe to the floor while waterproof, fire-resistance and warranty remain intact. Fire-resistant for up to 1 hour at 1700ï¿ plus digital media protection. more

    $299.00

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    Lowe's

    (10,000+)
    First Alert SA521CN ONELINK Hardwire Wireless Smoke Alarm with Battery Backup

    First Alert SA521CN ONELINK Hardwire Wireless Smoke Alarm with Battery Backup

    In the event of a fire every second counts. If a fire were to begin in your basement and the alarm there sounded, you may not hear it right away if you're sound asleep two floors up. With traditional battery-operated alarms, you lose valuable time... more

    $35.00

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    First Alert / Brk Electronics Sc9120b Combo Smoke / Co Detector

    First Alert / Brk Electronics Sc9120b Combo Smoke / Co Detector

    ** NEW, FACTORY SEALED** In Stock Ready To Ship FIRST ALERT / BRK SC9120B COMBO PHOTOELECTRIC / CARBON MONOXIDE ALARM Hardwired ionization/CO combination alarm meets new construction requirements. Electrochemical Carbon Monoxide Sensor - the most... more

    $39.50

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    First Alert 2087F Waterproof 1 Hour Fire Safe with Combination Lock, 0.94 Cubic Foot, Gray

    First Alert 2087F Waterproof 1 Hour Fire Safe with Combination Lock, 0.94 Cubic Foot, Gray

    .94 CU-FT CAPACITYDOUBLE CONSTRUCTION4 NUMBER COMBINATION LOCK WITH 1 EMERGENCY OVERRIDE KEY4 LIVE DOOR BOLTS & PRY-RESISTANT CONCEALED HINGES1 ADJUSTABLE/REMOVABLE SHELFUL LISTED FOR 1-HOUR RESISTANCE TO FIRES UP TO 1700 F WHILE MAINTAINING AN... more

    $164.99

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    First Alert SCO5CN Battery Operated Combination Carbon Monoxide/Smoke Alarm

    First Alert SCO5CN Battery Operated Combination Carbon Monoxide/Smoke Alarm

    Carbon monoxide (CO) is the leading cause of accidental poisoning deaths in America, yet many people don't know they are suffering from CO poisoning until its too late. Since symptoms of CO poisoning are like the flu, you might not even know you're in... more

    $29.97

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    Lot Of 4 First Alert Brk Smoke And Carbon Monoxide Alarm Ac Powered Sc9120b

    Lot Of 4 First Alert Brk Smoke And Carbon Monoxide Alarm Ac Powered Sc9120b

    Brand new:Lot of 4 BRK First Alert Smoke Carbon Monoxide Alarm Model #SC9120B ~ Top Best Brand for over 50 Years ~Manufactured within the last 1-7 months You can install BRK Brands products with confidence! For over 50 Years their products are saving... more

    $139.99

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    Brk First Alert Sc9120b Smoke & Carbon Monoxide Alarm 12 Pack

    Brk First Alert Sc9120b Smoke & Carbon Monoxide Alarm 12 Pack

    BRK FIRST ALERT-SMOKE AND CARBON MONOXIDE ALARM FEATURES: Electrochemical Carbon Monoxide Sensor - the most accurate sensor available as compared to other sensing technologies Single button test/silence 9V Alkaline Battery Backup Latching alarm... more

    $489.95

    FREE shipping

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    BRK SC9120B Smoke and Carbon Monoxide Alarm

    BRK SC9120B Smoke and Carbon Monoxide Alarm

    The BRK SC9120B First Alert smoke amp; carbon monoxide alarm is a 120V AC/DC, hardwired smoke and carbon monoxide alarm with battery backup and an 85db horn. This BRK combo smoke amp; carbon monoxide is designed to reduce false alarms. Capable of being... more

    $45.67 $33.60

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    Rakuten.com Shopping

    (1,000,000+)
    First Alert Combination Smoke and Carbon Monoxide Voice Alarm SCO7CN

    First Alert Combination Smoke and Carbon Monoxide Voice Alarm SCO7CN

    First Alert Combination Smoke and Carbon Monoxide Voice Alarm Features: -Includes 2 AA batteries.-Smoke and carbon monoxide alarm.-Voice alarm with location when programmed, voice tells location of unit if smoke or carbon monoxide is detected.-Peak... more

    $66.22 $52.99

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    FIRST ALERT SCO403 Smoke Alarm Carbon Monoxide Detector Combo Pack

    FIRST ALERT SCO403 Smoke Alarm Carbon Monoxide Detector Combo Pack

    CARBON MONOXIDE DETECTOR WITH ELECTROCHEMICAL SENSOR. SMOKE ALARM WITH IONIZATION SMOKE SENSOR. SIMPLE TO USE SILENCE/TEST BUTTON. LOW BATTERY WARNING. END-OF-LIFE TIMER. LOUD 85 DECIBEL ALARM. CONVENIENT FRONT BATTERY ACCESS. INCLUDES 2 AA BATTERIES... more

    $43.99 $28.40

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    Rakuten.com Shopping

    (1,000,000+)
    First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm w/ Battery Backup

    First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm w/ Battery Backup

    First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm w/ Battery Backup more

    $92.99 $49.99

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    FIRST ALERT SCO7CN Battery-Operated Combination Smoke/Carbon Monoxide Alarm with Voice Location

    FIRST ALERT SCO7CN Battery-Operated Combination Smoke/Carbon Monoxide Alarm with Voice Location

    The First Alert Battery Operated Smoke and Carbon Monoxide Alarm SCO7CN is a talking combination alert system that tells you what part of the home is in danger and whether it is from a fire or poisonous odorless gas. Alarm is equipped with a mute... more

    $27.99

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    First Alert SC9120B Hardwired Combination Carbon Monoxide and Smoke Alarm Multicolor - SC9120B

    First Alert SC9120B Hardwired Combination Carbon Monoxide and Smoke Alarm Multicolor - SC9120B

    Shop for Smoke Detectors from Hayneedle.com! 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... more

    $48.85

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    First Alert SC9120B Ion Sensor Carbon Monoxide/Smoke Alarm White

    First Alert SC9120B Ion Sensor Carbon Monoxide/Smoke Alarm White

    This smoke and CO combination alarm eliminates the need for 2 electrical boxes and features a permanently installed CO sensor and dual ionization smoke sensor, separate visual and audible smoke and CO indication to eliminate confusion, Intelligent... more

    $49.99 $43.32

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    First Alert 1092-0619 White Smoke Detector Combination Smoke and Carbon Monoxide Alarm with Battery

    First Alert 1092-0619 White Smoke Detector Combination Smoke and Carbon Monoxide Alarm with Battery

    First Alert, SC9120B, Smoke Detector, White, Safety Equipment Features: Detects both smoke and carbon monoxideUses ionization technology and features an electrochemical sensorLarge, simple to use silence/test button emits low battery warningFeatures... more

    $64.20 $46.23

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    First Alert Sco403 Smoke Alarm & Carbon Monoxide Detector Combo Pack

    First Alert Sco403 Smoke Alarm & Carbon Monoxide Detector Combo Pack

    SMOKE ALARM & CO ALARM more

    $31.04

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    First Alert/brk Brands Inc Onelink Combo Alarm

    First Alert/brk Brands Inc Onelink Combo Alarm

    First Alert Onelink Smoke And Carbon Monoxide Alarm *wireless Interconnected Combo Alarm *allows Alarms To Talk With Each Other *when One Alarm Sounds All Alarms Will Sound *install In Bedroom, Hall Or Basement *914 Mhz 3 Cha more

    $67.95

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    First Alert Combination Smoke And Carbon Monoxide Alarm Sc05cn

    First Alert Combination Smoke And Carbon Monoxide Alarm Sc05cn

    This battery powered combination smoke and carbon monoxide alarm has a photoelectric smoke sensor, which reduces nuisance alarms from cooking smoke or shower steam. Mute button Eco-friendly EZ access drawer to replace batteries Low bat more

    $59.99

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    First Alert Safes SA521CN-3ST Hardwire Smoke Alarm with Battery Backup

    First Alert Safes SA521CN-3ST Hardwire Smoke Alarm with Battery Backup

    This hardwire smoke alarm with battery backup can easily expand an existing interconnected 120-volt AC system by replacing one alarm in the series with this alarmIt has an added additional battery-operated first alert Onelink enabled alarms to expand... more

    $52.31 $46.93

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    First Alert Safes CO5120BN Hardwire Carbon Monoxide Detector White

    First Alert Safes CO5120BN Hardwire Carbon Monoxide Detector White

    This hardwired carbon monoxide alarm with 9 volt alkaline battery back-upIt has an electrochemical carbon monoxide sensor and a latching alarm indicatorThe alarm has a single button test/silence that silences the low-battery more

    $35.14

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    First Alert Sco403 Smoke Alarm & Carbon Monoxide Detector Combo

    First Alert Sco403 Smoke Alarm & Carbon Monoxide Detector Combo

    First Alert FATSCO403 CARBON MONOXIDE DETECTOR WITH ELECTROCHEMICAL SENSOR SMOKE ALARM WITH IONIZATION SMOKE SENSOR SIMPLE TO USE SILENCE TEST BUTTON LOW BATTERY WARNING END-OF-LIFE TIMER LOUD 85 DECIBEL ALARM CONVENIENT FRONT BATTERY ACCESS INCLUDES 2... more

    $40.49 $32.92

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    Shoplet.com

    (25,000+)
    First Alert GCO1CN Plug-In Combination Explosive Gas and Carbon Monoxide Alarm with Battery Backup

    First Alert GCO1CN Plug-In Combination Explosive Gas and Carbon Monoxide Alarm with Battery Backup

    free shipping on all items happy holidays!

    Find gas, smoke and water detectors at Target.com! Plug in combination natural, methane, propane gas and carbon monoxide detector with battery operated backup. Plugs into any standard outlet with no additional mounting necessary. line cord offers... more

    $59.99

    FREE shipping

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    First Alert SCO403 Carbon Monoxide and Smoke Alarm Combination Pack Multicolor - SCO403

    First Alert SCO403 Carbon Monoxide and Smoke Alarm Combination Pack Multicolor - SCO403

    Shop for Smoke Detectors from Hayneedle.com! 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... more

    $33.99

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    First Alert/brk Brands Inc Smoke/co Alarm 120v Brk

    First Alert/brk Brands Inc Smoke/co Alarm 120v Brk

    Brk Combo Smoke Carbon Monoxide Alarm *120v Ac 60 Hz With 9 Volt Battery Back Up *intelligent Sensor Reduces Nuisance Alarms *silence/test Button *ionization Smoke Sensor *tin Oxide Sensor Permanently Stores Highest Carbon Mono more

    $40.56

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    Fat2087f First Alert Water And Fire Safe W Lock

    Fat2087f First Alert Water And Fire Safe W Lock

    First Alert FAT2087F .94 CU-FT CAPACITY DOUBLE CONSTRUCTION 4 NUMBER COMBINATION LOCK WITH 1 EMERGENCY OVERRIDE KEY 4 LIVE DOOR BOLTS and PRY-RESISTANT CONCEALED HINGES 1 ADJUSTABLE REMOVABLE SHELF UL LISTED FOR 1-HOUR RESISTANCE TO FIRES UP TO 1700 F... more

    $227.98 $185.35

    FREE shipping

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    Shoplet.com

    (25,000+)
    FIRST ALERT 2087F .94 Cubic-ft Waterproof 1-Hour Fire Safe with Combination Lock

    FIRST ALERT 2087F .94 Cubic-ft Waterproof 1-Hour Fire Safe with Combination Lock

    .94 cu ft capacity; Double construction; 4 number combination lock with 1 emergency override key; 4 live door bolts & pry-resistant concealed hinges; 1 adjustable/removable shelf; UL listed for 1-hour resistance to fires up to 1,700 F while... more

    $179.39

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    FIRST ALERT SCO7CN Battery-Operated Combination Smoke/Carbon Monoxide Alarm with Voice Location

    FIRST ALERT SCO7CN Battery-Operated Combination Smoke/Carbon Monoxide Alarm with Voice Location

    Photoelectric sensor; Talking smoke & Carbon monoxide alarm; Eco friendly; Remote-controlled mute; Uses electrochemical Carbon monoxide sensor; Reduces nuisance alarms; Voice location announces where fire or Carbon monoxide is located; ... more

    $44.19

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    First Alert Battery-operated Combination Smoke And Carbon Monoxide Alarm With Voice Location

    First Alert Battery-operated Combination Smoke And Carbon Monoxide Alarm With Voice Location

    This battery operated talking combination smoke alarm and carbon monoxide detector has a mute button to silence any nuisance alarms. Single button tests all alarm functions. Voice alarm is easy to program for alarm's location within the home (11... more

    $58.55

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