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The Best kidde kn-cope-d of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best kidde kn-cope-d of 2023. Check our ranking below.
2,034 Reviews Scanned
- 2-in-1 Detection - Smoke & carbon monoxide detector combo alerts you to both smoke & fire events as well as poisonous, CO gas in a single device
- 24/7 Self-testing components are always checking the device to ensure it's operating as expected (not a substitute for a manual push test)
- Easy installation mounting bracket included for quick installation in 4 orientations
- Photoelectric sensor detects visible fire particles associated with slow, smoldering fires, while the electrochemical sensor detects carbon monoxide
- 85-decibel alarm & LED warning indicators alert you to various status: green = normal operation, amber = operating error, and red = smoke, fire or carbon monoxide event
- 2 units in 1: unit alerts you to smoke & carbon monoxide by sounding a loud, 85-decibel alarm & sounding voice alerts
- Photoelectric sensor technology senses visible fire particles, while a electrochemical sensor detects CO gas
- Voice Alarm & an 85-decibel alarm announces a hazard when detected: “Fire!” = smoke or fire or “Warning Carbon Monoxide” = CO gas, or "Replace Alarm" when the alarm has reached its end of life span
- Operates on a 10-year lithium battery, eliminating the need for battery replacement, while providing reliable detection during a power failure
- Combination fire alarm automatically activates when it is attached to the mounting bracket
- 2-in-1 Detection - Smoke & carbon monoxide detector combo alerts you to both smoke & fire events as well as poisonous, CO gas in a single device
- Voice Alarm announces the hazard type when detected: “Fire!” = smoke or fire, “Warning Carbon Monoxide” = CO gas, or "Low Battery" when the batteries need to be replaced
- 24/7 Self-testing components are always checking the device to ensure it's operating as expected (not a substitute for a manual push test)
- Easy installation mounting bracket included for quick installation in 4 orientations
- Photoelectric sensor detects visible fire particles associated with slow, smoldering fires, while the electrochemical sensor detects carbon monoxide
- 2-IN-1 DETECTION: Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective device.
- HARDWIRED & 10-YEAR BATTERY BACKUP: Operates on 120V AC wiring (installed in the ceiling). No battery changes for 10 years & saves up to $40 over the life of the detector.
- ENHANCED SENSING TECHNOLOGY: Reduces false smoke alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition, UL 2034 4th Edition, & FCC standards.
- VOICE ALERTS: Crystal-clear voice alerts will say "Fire!" when smoke is detected or "Warning! Carbon Monoxide!" if CO is detected, so you can react quickly.
- INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.)
- 2-IN-1 DETECTION: Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective device.
- NEVER-CHANGE 10-YEAR BATTERY: No low battery chirps or battery changes for 10 years & saves up to $40 over the life of the detector. (10-yr limited warranty on alarm, not a battery performance claim.)
- ENHANCED SENSING TECHNOLOGY: Reduces false smoke alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition, UL 2034 4th Edition, & FCC standards.
- VOICE ALERTS: Crystal-clear voice alerts will say "Fire!" when smoke is detected or "Warning! Carbon Monoxide!" if CO is detected, so you can react quickly.
- SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.
Last update on 2025-07-08 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: What does the Kidde smoke and Carbon Monoxide alarm do?
A: Provides protection from two hazards – fire and CO – in one unit with Photoelectric sensor. The Kidde Front-Loading Smoke and Carbon Monoxide alarm (part # 21007624) offers protection from two hazards – fire and CO – in one unit.
Q: What is the end of life signal on a kn cope alarm?
A: End of Life Signal – Ten years after initial power, the unit will “chirp” twice every 30 seconds to indicate the need to immediately replace the alarm. Low Battery Signal – Will chirp every minute and red LED will flash to indicate low battery condition.
Q: Why do you need Electrochemical Co sensor for kn cope?
A: Electrochemical CO sensor – Provides accurate and continual CO protection during the product’s life, remains stable during temperature and humidity changes and resists reactions to household gases that may cause false readings or reduce sensitivity.
Q: Can a code one be used with a Kidde FIREX?
A: Compatible with Kidde, FireX, Code One, and Sentinel products For use with First Alert and BRK wire in smoke alarms. The KA-B can only be used when replacing First Alert models: SA4121B, and BRK models: 4120,4919,5919, 86RAC with plug in connector, manufactured before June 1, 2003.