20 Best Kidde 21026043 [2025]

Are you looking for the best kidde 21026043? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling kidde 21026043.

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# Preview Product
1 Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush Button Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush Button
2 Kidde Kitchen Smoke Detector & Carbon Monoxide Detector Combo with Long-Life Lithium Battery Kidde Kitchen Smoke Detector & Carbon Monoxide Detector Combo with Long-Life Lithium Battery
3 Kidde KN-COSM-BA Battery-Operated Combination Carbon Monoxide and Smoke Alarm with Talking Alarm (3... Kidde KN-COSM-BA Battery-Operated Combination Carbon Monoxide and Smoke Alarm with Talking Alarm...
4 Kidde Smoke and Carbon Monoxide Detector Alarm with Voice Warning | Battery Operated | Model #... Kidde Smoke and Carbon Monoxide Detector Alarm with Voice Warning | Battery Operated | Model #...
5 X-Sense Wireless Interconnected Combination Smoke and Carbon Monoxide Detector, 10-Year Battery... X-Sense Wireless Interconnected Combination Smoke and Carbon Monoxide Detector, 10-Year Battery...
6 Kidde KN-COSM-IBA Carbon Monoxide & Smoke Detector Kidde KN-COSM-IBA Carbon Monoxide & Smoke Detector
7 Kidde Smoke & Carbon Monoxide Detector, Hardwired, Interconnect Combination Smoke & CO Alarm with... Kidde Smoke & Carbon Monoxide Detector, Hardwired, Interconnect Combination Smoke & CO Alarm with...
8 Kidde KN-COSM-IBA Hardwire Combination Smoke Carbon Monoxide Detector Battery Backup Voice Warning... Kidde KN-COSM-IBA Hardwire Combination Smoke Carbon Monoxide Detector Battery Backup Voice...
9 Kidde Wireless Smoke Detector with Escape Light, Long-Life Lithium Battery Operated, Voice Alert Kidde Wireless Smoke Detector with Escape Light, Long-Life Lithium Battery Operated, Voice Alert
10 X-Sense 10-Year Battery Wireless Interconnected Smoke Detector Fire Alarm with Over 820 ft... X-Sense 10-Year Battery Wireless Interconnected Smoke Detector Fire Alarm with Over 820 ft...
11 Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup Included, Interconnect, Pack of 6 Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup Included, Interconnect, Pack of 6
12 Kidde Smoke & Carbon Monoxide Detector, Lithium Battery Powered, Combination Smoke & CO Alarm with... Kidde Smoke & Carbon Monoxide Detector, Lithium Battery Powered, Combination Smoke & CO Alarm...
13 Kidde i4618AC Hardwire Smoke Alarm, 4 Pack Kidde i4618AC Hardwire Smoke Alarm, 4 Pack
14 Carbon Monoxide Alarm Detector, Smoke Detectors,Replaceable Battery-Operated CO Alarm Detector... Carbon Monoxide Alarm Detector, Smoke Detectors,Replaceable Battery-Operated CO Alarm Detector...
15 Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert
16 Kidde KN-COSM-IBA 21006377A Hardwire Combination Carbon Monoxide and Smoke Alarm with Battery Backup... Kidde KN-COSM-IBA 21006377A Hardwire Combination Carbon Monoxide and Smoke Alarm with Battery...
17 PETRICOR Smoke and Carbon Monoxide Alarm Detector with Photoelectric Sensor, LCD Display, Battery... PETRICOR Smoke and Carbon Monoxide Alarm Detector with Photoelectric Sensor, LCD Display, Battery...
18 Kidde Smoke & Carbon Monoxide Detector, Hardwired with Lithium Battery Backup, Voice Warning Kidde Smoke & Carbon Monoxide Detector, Hardwired with Lithium Battery Backup, Voice Warning
19 X-Sense SC01 10 Year Battery (Not Hardwired) Smoke and Carbon Monoxide Detector with Display, Dual... X-Sense SC01 10 Year Battery (Not Hardwired) Smoke and Carbon Monoxide Detector with Display,...
20 X-Sense 10-Year Battery Smoke and Carbon Monoxide Detector with LCD Display, Dual Sensor Smoke and... X-Sense 10-Year Battery Smoke and Carbon Monoxide Detector with LCD Display, Dual Sensor Smoke...
SaleBestseller No. 1
Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush Button
  • Easy Installation - simply plug-in to a standard, 120V outlet in your home
  • 2-AA battery backup provides protection during a power outage
  • 85-decibel alarm announces when carbon monoxide is detected
  • Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
  • Test-Hush Button makes testing the detector or silencing false alarms easy
SaleBestseller No. 2
Kidde Kitchen Smoke Detector & Carbon Monoxide Detector Combo with Long-Life Lithium Battery
  • Smoke and carbon monoxide detector in one unit - saves time, money, and space
  • No battery replacement needed - operates on a long-life lithium battery that lasts for approximately a decade, the entire life of this smoke & carbon...
  • Photoelectric & electrochemical sensing technology work together to reduce false alarms from things like routine cooking - perfect for the kitchen
  • Easy to install - automatically activates when attached to mounting bracket
  • Test & Hush button - quickly silence false alarms and easily test the unit to make sure the carbon monoxide smoke detector combo is operating
Bestseller No. 4
Kidde Smoke and Carbon Monoxide Detector Alarm with Voice Warning | Battery Operated | Model #...
  • Voice Alarm – Announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected. Alarm announces...
  • Combined Carbon Monoxide and Smoke Alarm – A single unit can be installed where previously, two were needed. Reduces installa-tion time and helps to...
  • Test/Reset Button – Tests alarm circuitry and triggers the voice announcement.
  • Low Battery Warning – The unit warns of a low battery condition by announcing “low battery” and by initiating an alarm chirp and activating a...
  • Temperature Range:40˚F (4.4˚C) to 100˚F (37.8˚C)
Bestseller No. 5
X-Sense Wireless Interconnected Combination Smoke and Carbon Monoxide Detector, 10-Year Battery...
  • 2-in-Protection: This combination detector protects against both smoke and carbon monoxide
  • Wireless Interconnection: When one alarm sounds, all alarms will go off
  • 10-year Sealed Battery: This wireless alarm features a 10-year lithium battery and will give a low battery warning
  • Test/Silence Button: The single push of a button will either test or silence all units in the system
  • Full Home Coverage: Link up to 24 Link+ wireless smoke alarms, CO alarms, and combination alarms for maximum home protection
Bestseller No. 6
Kidde KN-COSM-IBA Carbon Monoxide & Smoke Detector
  • 120 Volt with battery backup
  • Intelligent multi sensor alarm
  • Voice warning and low battery system
  • Smart hush-silences the unit during nuisance alarm situations
  • Peak level-alerts
Bestseller No. 7
Kidde Smoke & Carbon Monoxide Detector, Hardwired, Interconnect Combination Smoke & CO Alarm with...
  • Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire", "Warning Carbon Monoxide", or "Low Battery"
  • Photoelectric sensor technology - hardwired smoke detector detects visible fire particles, 85 decibel alarm alerts of fire
  • Protects during a power failure - combo smoke and CO detector operates on a 120V power source with 9V front-loading battery backup
  • Test-Hush Feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling
  • UL Certified, 10-year limited warranty
Bestseller No. 9
Kidde Wireless Smoke Detector with Escape Light, Long-Life Lithium Battery Operated, Voice Alert
  • 85-decibel alarm & voice alerts sound when fire or smoke is detected
  • Bright LED safety light provides you with a lighted escape path
  • Long-life lithium battery in the smoke alarm helps protect during a power outage & eliminates battery replacement or removal
  • Easy to install, the Kidde smoke detector communicates wirelessly with other alarms of this type, so when one sounds, all connected smoke alarms sound
  • Advanced photoelectric sensor on the Kidde battery powered smoke alarm provides fast detection of smoke particles
Bestseller No. 10
X-Sense 10-Year Battery Wireless Interconnected Smoke Detector Fire Alarm with Over 820 ft...
  • Detection Anywhere: Features wireless interconnection so that if one alarm is triggered, they all go off, and they stay connected using radio...
  • Ready to Use: The multi-pack detectors have already been connected for instant use, and you can connect up to 24 Link+ wireless alarms at a time
  • Customizable Wireless Network: For a customized network, add new devices to the existing network, or disconnect the devices and create multiple...
  • Battery Powered Smoke Alarm: Built with a 10-year sensor and powered by a sealed 10-year lithium battery that doesn’t need to be replaced
  • Premium Quality Material: This smoke detector is made from an upgraded premium material that is durable, corrosion-resistant, and flame-retardant
Bestseller No. 11
Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup Included, Interconnect, Pack of 6
  • Ionization sensing technology may detect invisible fire particles, associated with flaming fires, quickly and sound an 85dB alarm
  • Hardwired smoke detector with battery backup (included) ensures that you'll be alerted to a fire, even during a power outage
  • Large base makes mounting easy, while a front battery pull lets you activate the smoke alarm without removing it from the mounting bracket
  • Whole home family protection - place 1 fire alarm on each level of your home & in your bedroom; maximum of 24 Kidde devices can be interconnected
  • UL Listed, 10-year limited warranty
SaleBestseller No. 12
Kidde Smoke & Carbon Monoxide Detector, Lithium Battery Powered, Combination Smoke & CO Alarm with...
  • Fire and CO detector in 1 unit with alert modes, LED lights, and voice alarm, that states, "Fire. Fire.", "Warning. Carbon Monoxide.", or "Low...
  • Photoelectric and Electrochemical sensor technologies - smoke detector detects invisible fire particles, while the carbon monoxide detects poisonous...
  • Protects during a power failure - combo smoke and CO alarm operates on a sealed, lithium battery
  • Test-Hush Feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling
  • UL Certified, 10-year limited warranty
Bestseller No. 13
Kidde i4618AC Hardwire Smoke Alarm, 4 Pack
  • Easy Installation - Front battery pull tab allows battery activation without removing alarm from mounting bracket. Large mounting base makes mounting...
  • Fewer Callbacks - Large centrally located Test/Hush alarm control button. Dust cover protects sensor from contaminates during construction reducing...
  • User-Friendly Features - Easy access front loading battery door. Battery backup provides protection in case of power failure. Interconnectable with up...
  • Alarm memory flashes red LED indicating which unit was the initiating alarm in interconnected system. Temperature Range: 40 degree Fahrenheit to 100...
  • Tamper resist locking feature deters alarm theft
Bestseller No. 14
Carbon Monoxide Alarm Detector, Smoke Detectors,Replaceable Battery-Operated CO Alarm Detector...
  • Smoke detectors using high accurate electrochemical sensor, alerts you to carbon monoxide danger and insure the safety of your life. Photoelectric...
  • It can serve as both smoke detector and carbon monoxide detector to detect the threat from these two harmful chemicals. One single unit instead of two...
  • When the fire smoke alarm detects a smoke fire or detected concentration of carbon monoxide exceeds the standard value, the LCD display will show the...
SaleBestseller No. 15
Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert
  • Fire and CO detector in 1 unit with alert modes, LED lights, and voice alarm, that states, "Fire. Fire.", "Warning. Carbon Monoxide.", or "Low...
  • Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire
  • Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries
  • Test-Hush Feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling
  • UL Certified, 10-year limited warranty
Bestseller No. 17
PETRICOR Smoke and Carbon Monoxide Alarm Detector with Photoelectric Sensor, LCD Display, Battery...
  • Combined smoke and carbon monoxide alarm detector: Both smoke from fire and excessive carbon monoxide threaten our lives. This product will...
  • High quality sensors: We use high quality photoelectric sensors and electrochemical carbon monoxide sensors. Among them, photoelectric sensing...
  • LCD display and LED indicators: The one-touch detection button provides a real-time display of the current smoke and carbon monoxide levels. the LED...
  • Battery Powered: PETRICOR smoke and carbon monoxide alarms are battery powered (Not Hardwired). It can be installed anywhere you need it: living room,...
  • Quality service: You have any questions about our fire & CO alarms, feel free to contact us. We will solve the problem as soon as possible to make you...
SaleBestseller No. 18
Kidde Smoke & Carbon Monoxide Detector, Hardwired with Lithium Battery Backup, Voice Warning
  • 85db alarm & voice warnings – “Fire.” or “Warning: Carbon Monoxide” so you know why the smoke & carbon monoxide detector is sounding
  • Hardwired alarm with tamper proof backup battery – to help protect your home and family during power outages, eliminates the need for battery...
  • Interconnect alarms – allows you to connect up to 24 Kidde devices of this type, giving you trusted detection throughout your home
  • Advanced technology – smoke and carbon monoxide detector combines ionization & electrochemical sensors to detect invisible fire particles & CO gas
  • Hush feature silences nuisance or “false” alarms – with just the push of a button on the alarm itself
Bestseller No. 19
X-Sense SC01 10 Year Battery (Not Hardwired) Smoke and Carbon Monoxide Detector with Display, Dual...
  • 10-Year Battery Smoke and CO Detector: Provides 10 years of continuous power with a built-in lithium battery; saves you from battery replacement
  • Combination Alarm with CO Readings: the large LCD display clearly indicates real-time carbon monoxide (CO) levels in the surrounding air, as well as...
  • 2-in-1 Protection: The smoke and carbon monoxide detector is equipped with both photoelectric smoke sensor and electrochemical CO sensor that both...
  • Practical LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life...
  • Simple Installation: Requires no rewiring; easy to mount this fire and CO alarm on any wall or ceiling with the included mounting bracket, screws and...
Bestseller No. 20
X-Sense 10-Year Battery Smoke and Carbon Monoxide Detector with LCD Display, Dual Sensor Smoke and...
  • PROTECTION FROM TWO DEADLY THREATS: One alarm protects against both dangerous smoke and carbon monoxide (CO) in the surrounding air; accurately...
  • 10-YEAR BATTERY-OPERATED SMOKE & CO ALARM: A sealed lithium battery enables the unit to monitor your home 24/7, keeping you and your family safe and...
  • PRACTICAL LCD DISPLAY: Clearly displays real-time CO levels above 30 ppm (parts per million) taken from the surrounding air, as well as the status of...
  • FASTER RESPONSE TO DANGERS WITH LOUD 85 DB ALARM: Gives you the earliest possible warning of smoke and CO threat with both a loud 85 dB alarm and a...
  • SIMPLE INSTALLATION & OPERATION: Battery-operated unit installs quickly and easily without an electrician; one-button operation to test or silence the...

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