 | Carbon monoxide alarm with digital display; battery-operated (3 AA); test/reset button 85 dB horn and low-battery announcement; two LED lights Plastic body Batteries not included 5-1/4-inch diameter; 1-inch thick; 8 ounces; 5-year limited warranty, Weight: 0.55 lbs., Manufacturer: Kidde Kidde - 900-0146 | $22 - $42  5 Merchants |
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 | This Carbon Monoxide Alarm offers digital display allowing easy viewing of carbon monoxide levels. Its 9V battery back up provides you and your family protection even :during power outages. The KN-COPP-3 features a hide-a-way cord that allows for multiple :installation possibilities. Digital Display, 9V battery back up, Hide-a-way cord, Test/Reset Button, Loud 85dB Alarm, Low Battery Warning, Easy Installation (less)Kidde - 900-0076 | $40 - $50 4 Merchants |
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 | Plug-in combination carbon monoxide and explosive gas alarm with battery back-up 3-way protection against natural, methane, and propane gases and carbon monoxide Uses electrochemical carbon monoxide sensor--the most accurate technology available Remote-controlled silence/test button; low battery warning Includes 9-volt battery, Weight: 0.91 lbs., Manufacturer: First Alert (less)First Alert - GCO1CN | $47 - $60 6 Merchants |
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 | Battery-operated carbon monoxide alarm Uses electrochemical carbon monoxide sensor--the most accurate technology available Simple to use silence/test button; low battery warning; end-of-life timer 2 AA batteries included 5 year limited warranty, Weight: 0.6 lbs., Manufacturer: First Alert First Alert - FCD3NCN | $19 - $32 9 Merchants |
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 | ONELINK" WIRELESS:INTERCONNECTED COMBO ALARM:Allows alarms to talk with:each other:When one alarm sounds all:alarms will sound:Install in bedroom, hall,:basement:914 MHZ 3 channels (special:code will not interfere with:portable telephone computers,:etc.:Sensors: carbon monoxide:(electrochemical), smoke:(photoelectric:85 decibel alarm with:intermittent programmable:voice "warning evacuate smoke:or carbon monoxide:Includes 2 "AA" batteries:5 year warranty:Clamshell (less)First Alert - SCO501CN-3ST | $69 - $100 19 Merchants |
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 | Battery-operated combination carbon monoxide and smoke alarm with voice location Uses electrochemical carbon monoxide sensor--the most accurate technology available Photoelectric sensing technology reduces nuisance smoke alarms Remote-controlled silence/test button; low battery warning; peak level memory recall Includes 2 AA batteries; 5 year limited warranty, Weight: 0.68 lbs., Manufacturer: First Alert (less)First Alert - SCO7CN | $35 - $65 11 Merchants |
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 | FREE Shipping when you spend $50 on selected items! Single button also tests alarm functions. Easy front access to the battery. 5--year limited warranty. | $26  Target.com |
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 | Your best defense is to be aware if dangerous levels of carbon monoxide are present. The fact that you cannot see, taste or small carbon monoxide means only a CO alarm can alert you of dangerous levels of this silent killer. Reliable industrial-grade electrochemical technology, Very low 8ma current draw, listed for use with control panel. (less)General Electric | $57 - $75 4 Merchants |
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 | Innovative low profile alarm fits in most standard 2-gang, metal or plastic electrical boxes Pre-stripped wiring harness includes easy-off cap and does not require a stripping tool Rechargeable battery is turned on automatically when AC power is supplied Sealed Lithium-Ion rechargeable battery backup 7 year product life, 40% longer than other CO alarms Green LED indicates power is being delivered to the alarm, red LED light indicates unit is in alarm and amber LED light indicates unit is the initiating alarm, Manufacturer: Kidde (less)Kidde | $68 - $70 2 Merchants |
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 | Model CMD-1MR-9V The Fireboy - Xintex CMD1MR-9V is a 9V battery powered carbon monoxide detector, ideal for boats requiring additional CO alarm protection and for any boat without a CO alarm. Carbon monoxide is generated wherever carbon based fuels... | $100 Landfall Navigation |
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 | Kit contains: 120-Volt AC ionization smoke and fire alarm USI-1213, USI-960 relay and 177 candela power strobe model USI-2177 120 VAC operation. Interconnectable with other USI wired-in smoke or carbon monoxide alarms. Ideal for residential, institutional, hotels motels dormitories and multi-family installations The strobe maintains a constant 1Hz flash rate providing hearing impaired individuals with smoke alarm warning Meets and exceeds the ADA (Americans with disabilities act) requirements UL listed components, Manufacturer: Universal Security Instruments (less)Universal Security Instruments | $91 - $100 2 Merchants |
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 | The Quantum Group has successfully combined biotechnology with infrared engineering to produce reliable and false alarm-free carbon monoxide sensing elements. Only COSTAR carbon monoxide detectors offer this level of reliability. Liquid electrochemical... | $58 - $88 2 Merchants |
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 | Digital display displays the level of carbon monoxide the unit is sensing Battery pull tab eliminates battery installation time and keeps battery fresh Peak level memory displays the highest CO concentration measured since the last reset Tamper resist locking pin helps deter alarm tampering and theft UL Approved, Weight: 1 lbs., Manufacturer: Kidde (less)KIDDE - 900-0121 | $49 - $91 2 Merchants |
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 | The CD-9690 offers a digital display and battery backup for added protection. Universal Security plug-in carbon monoxide alarms offer the most effective and trouble-free installation possible. Early warning of CO is best achieved by installing CO alarms on all floors and areas of the household. At the very minimum, install an alarm in each sleeping area of a household or mobile home. (less)Universal Security Instruments | $45 - $51 2 Merchants |
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 | The 3 digit CO level display shows CO level when it reaches higher than 30ppm Includes a 9-Volt super heavy duty battery to power the alarm in the event of an AC power failure The alarm sounds with its loud 85 decibel horn and the red LED indicator flashes. A green LED light indicates AC power The mounting plate attaches to the junction box and covers drywall cutouts for easy installation Permanently installed semiconductor sensor means no annual replacement sensors are required, Manufacturer: Universal Security Instruments (less)Universal Security Instruments | $41 - $45 2 Merchants |
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 | ACE vendor | $38 - $50 2 Merchants |
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 | Combines separate sensors to detect smoke or carbon monoxide Silence feature - convenient silence button with automatic reset allows you to temporarily override an alarm - ideal for cooking smoke and fireplaces and eliminating nuisance alarms The quick-draw pull-out drawer makes battery replacement easy This unit includes 3 LED alarm condition indicators and is equipped with a loud 85 dB horn alarm Fast and easy installation, Manufacturer: Universal Security Instruments (less)Universal Security Instruments | $37 - $37 2 Merchants |
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 | Includes a 9-Volt super heavy duty battery to power the alarm in the event of an AC power failure The unit contains front-load battery drawer for easy access when it is time to replace the battery The 120-Volt AC direct plug in alarm is fast and easy to install Test buttons for alarm and power No costly sensor replacement. 3LED's: alarm power and service alarm condition indicators, Manufacturer: Universal Security Instruments (less)Universal Security Instruments | $33 - $33 2 Merchants |
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| ACE vendor | $25 - $35 2 Merchants |
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 | Battery operated household carbon monoxide detector comes with battery included. No wiring required. Universal | $24 - $35 2 Merchants |
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 | 120-volt AC plug-in carbon monoxide alarm Uses electrochemical carbon monoxide sensor--the most accurate technology available Simple to use silence/test button Easy installation End-of-life timer, Weight: 0.3 lbs., Manufacturer: First Alert First Alert - FCD2CN | $24 - $37 11 Merchants |
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 | Designed to detect carbon monoxide gas from ANY source of combustion. IT IS NOT DESIGNED TO DETECT SMOKE,:FIRE OR ANY OTHER GASES. Kidde - 9CO5 | $24 - $150 2 Merchants |
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 | Sealed in lithium battery never replace battery over the ten-year life of the alarm Self activation alarm automatically activates when securely attached to the mounting bracket Smart hush temporarily silences nuisance alarms and will not allow hush mode to be activated unless the unit is in alarm mode Rapidly flashing red LED alerts the user if the alarm has sounded since the last time the test reset button was used UL Approved, Weight: 1 lbs., Manufacturer: Kidde (less)Kidde - 900-0136 | $20 - $31 3 Merchants |
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 | This USI-5204 120 Volt AC direct wire smoke alarm with 9 Volt DC battery back-up will provide protection even during a power outage. For maximum protection, install smoke alarms and carbon monoxide alarms in every sleeping room, and on every level of your home. Ionization smoke alarms are generally more effective at detecting fast-flaming fires - fires which consume combustible materials rapidly and spread quickly. Sources of these fires may include paper burning in a wastebasket, or a grease fire in the kitchen. A plastic dust cover protects the alarm from contaminants during construction or painting. (less)Universal Security Instruments | $14 - $15 2 Merchants |
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 | The Extech carbon monoxide meter measures CO levels from 0 to 1000ppm. Alarm sounds when levels exceed 35ppm. Common Usage: Measures CO levels, Senses: 0 - 1000 PPM, Batteries Required: Yes, Ba... | $250 Northern Tool & Equipment |
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 | Battery Back Up) With Voice WarningThe BRK First Alert Combination Carbon Monoxide and Smoke Alarm protects you from the very real dangers of both fire and smoke as well as carbon monoxide. | $69 CableOrganizer.com |
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 | Battery Back Up)The BRK First Alert Combination Carbon Monoxide and Smoke Alarm protects you from the very real dangers of both fire and smoke as well as carbon monoxide. | $67 CableOrganizer.com |
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 | Back Up) And Silence FeatureThe BRK First Alert Combination Carbon Monoxide and Smoke Alarm protects you from the very real dangers of both fire and smoke as well as carbon monoxide. | $53 CableOrganizer.com |
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 | Back UpThe BRK First Alert carbon monoxide detector detects dangerous CO gas and allows you peace of mind with its battery backup. Carbon monoxide (CO) is a colorless, odorless, deadly gas. | $53 CableOrganizer.com |
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 | Battery PoweredThe BRK First Alert Combination Carbon Monoxide and Smoke Alarm protects you from the very real dangers of both fire and smoke as well as carbon monoxide. | $52 CableOrganizer.com |
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