Top 10 Detectors for Smoke, Carbon Monoxide, Natural and Propane Gas – Combination Gas & Carbon Monoxide Detectors

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1. Kidde


Kidde AC Plug-In Carbon Monoxide and Explosive Gas Detector Alarm | Nighthawk Sensor Technology | Model # KN-COEG-3

Kidde #ad - Sounder alarm – the kn-coeg-3 offers a loud 85-decibel pulsing alarm that will sound to alert you to a potential problem. Kidde’s carbon monoxide alarms meet the requirements of Underwriters Laboratories UL, an independent facility that tests products for compliance with widely-accepted safety standards.

Digital display and peak level button displays the peak CO level recorded by the alarm since it was last reset. Test/reset button - tests unit’s electronic circuitry operation and allows you to immediately silence the alarm. Digital display - Displays the level of carbon monoxide the unit is sensing.

Three convenient mounting options. Peak level memory - Recalls the highest CO concentration detected. Two alarms in one detects carbon monoxide and explosive gas. Protects you and your family from two deadly threats: Carbon monoxide and explosive gas. Battery backup 9 volt battery included.
BrandKidde #ad
ManufacturerKidde #ad
Height11 Inches
Length2 Inches
Weight1 Pounds
Width8 Inches
Part NumberKI-21006677
ModelModel KN-COEG-3
Warranty5 Year Limited



Alarm Monitor Sensor Home/Kitchen 1, Gas Leak Detector,High Sensitivity LPG LNG Coal Natural Gas Leak Detection, Natural Digital Gas Detector, Home Gas Alarm

HSTMYFS #ad - During this time period, the gas test will not work. 85db alarm sound, reduce the risk of gas explosion and protect your family's life and property safety. You need to wait for the display to show 0 the system enters the working state before it can be tested normally.

Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas. Precautions- the system warm-up time is about 2-3 minutes. Led digital display & sound warning- gas detector offers voice notification and a digital readout of the GAS concentration. When gas leak concentration reaches presetting level, the alarm provides a visual and audible signal. Widely used for restaurant, Garage, Oil Factory, Hotel, Gas Station etc.

Detect multiple gases- home gas detector suitable for detecting LPGMethane, liquefied petroleum gas, natural gas, artificial gas, gas fuel, coal gas, liquefied natural gas etc. Easy to install- gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas. Widely applyed -this product can be used as independent family alarm equipment, Hospital, and also can be used as front detector of alarm system.
BrandHSTMYFS #ad
ManufacturerShengTian #ad
Weight4.8 Ounces
Part NumberBRJ-502

3. Kidde


2 Pound, Kidde KN-COEG-3 Nighthawk Plug-in Carbon Monoxide and Explosive Gas Alarm with Battery Backup Pack of 2

Kidde #ad - Up to 16 people can be recognized by the smart scale. Step on the scale and garmin index is able to recognize. Use your smartphone to make your Tile. Garmin index measures metrics that matter such.
BrandKidde #ad
ManufacturerKidde #ad
Height1 Inches
Length1 Inches
Weight1.1 pounds
Width1 Inches
Part Number43237-2



First Alert Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display, GCO1CN

FIRST ALERT #ad - Plugs into any ac outlet for easy setup; backup battery powers unit in case of power outage. Test button and low battery warning. Versatile co alarm senses high levels of propane, natural/methane gas, and carbon monoxide.

Plug-in combination carbon monoxide and explosive gas alarm with battery back-up. Loud 85-decibel alarm can be heard easily. Uses electrochemical carbon monoxide sensor--the most accurate technology available. Crisp backlit digital display allows you to view current and peak levels. 3-way protection against natural, methane, and propane gases and carbon monoxide. Can be remotely muted using almost any household remote control. Includes 9-volt battery.
ManufacturerFirst Alert #ad
Height9.06 Inches
Length7.25 Inches
Weight0.8 Pounds
Width4.25 Inches
Part NumberGC01CN
WarrantyLimited Ten Years

5. GasKnight


Methane & Butane Gases w Free EBOOK!, LNG, Camper, Kitchen, Trailer or RV. Plug-in Gas Leak Sensor for Explosive LPG, Natural Gas Detector and Propane Detector. Natural Gas Alarm and Monitor for Home

GasKnight #ad - Natural gas methane, butane, LNG, ethane, etc and 2.9989 save your time- plug and play! don't waste your precious, limited free time with complex installations and never change a battery! Just plug in and get on with your day! 9989 stay stylish - no tacky cord! don't drill holes in your wall! This sleek and modern white natural gas alarm is wireless and will complement the style of your home or camper without detracting from your interior design.

9989 get maximum safety - the all-in-one gasknight natural gas leak detector detects the main deadly gases: 1. Order yours today! We are an American company. Free 2-year warranty available.

9989 protect your family! - be worry free and know you did everything to keep your family safe from accidents caused by dangerous gas leaks from your stove, kitchen, water heater, washing machine, fireplace, furnace, garage or grill.9989 happiness guaranteed - in plain english, if you don't like your gasknight, we'll refund your money. Propane lPG or liquefied petroleum gas.
BrandGasKnight #ad
ManufacturerGasKnight #ad
Height1.2 Inches
Length3.4 Inches
Weight0.19 Pounds
Width3.2 Inches
Part Numberekspqcmdyw1126t



Butane, Carbon Monoxide Alarm Detector, KOABBIT Home Natural Gas Alarm; Monitor Combustible Gas: Methane, LPG, support 9V Rechargeable Battery Not Included, LNG;LCD Dissplay

KOABBIT #ad - Easy to usepush/test button - connect to power 90V-240V or 9V rechargeable batterynot included, The detector will display 3 minutes counting. When dangerous concentrations of Carbon Monoxide or Explosive gases are detected, notify you immediately to save your life in the first place.

High sensitivity dual sensor designkoabbit carbon monoxide fire alarm is a catalytic Combustion Method Sensor and the Electrochemical Carbon Monoxide Sensor; Protect yourself and your family from two deadly threats. Lcd digital displaythis display clearly shows levels of Gas that the unit has detected and stored-- from 0 to 3000 ppm--and it updates every 9 seconds to indicate any sudden changes. Voice alarmwhen the concentration of carbon monoxide reaches 100ppm or the concentration of Combustible gas reaches 6%, the LCD screen begins to display the concentration value, and the red LED lights flash and emit a loud voice alarm mode -- 85 decibel alarm.

Easy installation & qualityeasy to mount on any wall or ceiling without an electrician;The Koabbit detector has been rigorously tested and passed UL2034 safety certification, Please contact us by E-mail, If you have any questions, We will give you a SATISFACTORY SOLUTION.
BrandKOABBIT #ad
ManufacturerPLT #ad
Height1.6 Inches
Length4.3 Inches
Weight0.44 pounds
Width2.9 Inches
Part NumberPLT080

7. Kidde


Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3

Kidde #ad - Power source: 120vac. Note: this co alarm is not battery operated. Led operation – blinking dot in lower right corner of display denotes normal operation.

Test button functions – Tests the unit for proper operation and resets the carbon monoxide alarm. Ten years after the initial power up, this alarm will “beep” two times every 30 seconds to indicate that it is time to replace the alarm. Humidity range-5%-95% relative humidity RH. Peak level button – displays the peak CO level recorded by the alarm since it was last reset or unplugged. However, these alarms are equipped with 9 volt battery backup – the 9 volt battery is to supply short term back-up during a power outage. Temperature range-40˚f 4. 4˚c to 100˚f 37. 8˚c.
BrandKidde #ad
ManufacturerKidde #ad
Height1.75 Inches
Length6.06 Inches
Weight3 Pounds
Width3.75 Inches
Part Number900-0076
Warranty10 Year Limited



Plug-in 2 in 1 Carbon Monoxide/Combination Alarm Gas Detector for Home Kitchen Methane,Propane,CO with Voice Alarm

MOESAPU #ad - Protect yourself and your family from two deadly threats. Sounder & flashing alarmwhen the concentration of carbon monoxide reaches 100PPM, Alarm for CO is 2 sounds a second alarm together with a Lighting Red light. Widely used for Restaurant, Gas Station etc. Suitable for almost all applications with combustible gases, mists and residues.

2 in 1 explosive & carbon monoxide alarmthis bh-h3 sniffer can detect explosive gas & carbon monoxide. Easy-to-install and durable the plug in line length is 90cm. When the concentration of combustible gas reaches 5%, Alarm for explosive gas is 1 sound a second with a Flashing Light. The propane detector will Warming Up for 3 minutes then the device can start working. The indicator light will light up and voice start sound. 100% satisfied servicethis alarm has passed the professional gas detection test in our factory.

Widely applyed this product can be used as independent family alarm equipment, Oil Factory, Hospital, Garage, Hotel, and also can be used as front detector of alarm system. If the co gas detector has any quality problems, welcome to contact us and we will deal with it for you. Connect to power 110v, Plug-In design makes it super easy and convenient to install. Such as natural gas, liquefied natural gas, liquefied petroleum gas, gas fuel, artificial gas, coal gas, LPGPropane and Methane, etc.
BrandMOESAPU #ad
ManufacturerBAOSHIAN Electronic #ad
Height1.7 Inches
Length4.25 Inches
Weight0.15 Kilograms
Width3.2 Inches

9. Kidde


Kidde 21026043 Battery-Operated Not Hardwired Combination Smoke/Carbon Monoxide Alarm with Voice Warning KN-COSM-BA

Kidde #ad - Voice alarm – announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected. Test/reset button and leds – tests alarm circuitry and triggers the voice announcement. Alarm announces “fire” when a smoke or fire hazard is detected and announces “Warning, Carbon Monoxide” when a CO hazard is detected.

Note: the date printed on the item is manufacturing date, not the expiration date. Temperature range: 40˚F 4. 4˚c to 100˚f 37. 8˚c. The battery door will not close unless the batteries are properly installed. Reduces installation time and helps to keep home décor attractive. Voltage volts: 4. 5. The unit warns of a low battery condition by announcing “low battery” and by initiating an alarm chirp and activating a flashing red LED.

Flashing green for normal operation and flashing red for alarm condition. Combined carbon monoxide and smoke alarm – A single unit can be installed where previously, two were needed. Humidity range: 10 percent to 95 percent relative humidity non-condensing. Battery - provides protection even during power outages when many fire and carbon monoxide incidents occur.
BrandKidde #ad
ManufacturerKidde Safety #ad
Height5.6 Inches
Length1.8 Inches
Weight0.8 Pounds
Width5.6 Inches
Part Number21026043
Warranty5-year limited warranty



First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector, 1 Pack, Battery Operated, White

FIRST ALERT #ad - Battery operated unit installs quickly and easily without an electrician. Simple to use, with a single test/silence button; EZ access battery drawer allows you to change battery without removing alarm from ceiling. Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire.

It can ship within the US except New York. Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection. Low battery signal mute, quiets low battery signal for up to 8 hours. 7 year limited warranty; equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety; All first alert alarms are rigorously tested to meet UL standards.

Keep your family safe with this battery operated smoke and carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure. First alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 Based on a First Alert Brand Trust Survey in February 2018.
ManufacturerFirst Alert #ad
Height5 Inches
Length2 Inches
Weight0.6 Pounds
Width5 Inches
Part NumberSCO5CN