Kidde Firex Smoke & Carbon Monoxide Detector, Battery Operated with Front Load Battery Door and Voice Alarm

Item # 751117 | Kidde Part # 21029902 | UPC Code 047871074501 | UNSPSC Code 46191501
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Product Overview

Protect your family with the Kidde Firex Combination Smoke & Carbon Monoxide Detector. The ionization Kidde Firex Combination Smoke & Carbon Monoxide Detector operates on 2-AA alkaline batteries & front-load battery door provides easy installation. Using ionization sensor technology, the Kidde Firex Smoke Detector alerts to invisible fire particles, while the Kidde Carbon Monoxide Detector alerts of poisonous carbon monoxide gas, even during power outages. The Kidde Firex Combination Smoke & Carbon Monoxide Detector has voice alert that warns of fire, carbon monoxide, or low battery. UL Certified with a 10-year limited warranty. Meets requirements of UL 2034, UL217, NFPA72, The State of California Fire Marshall, NFPA 101, FHA, & HUD.

  • Easy to install - powered by 2-AA batteries; no hardwiring required
  • Protection during power outages and no low battery chirps
  • Voice warning alerts of "Fire!" when a smoke or fire hazard is present, "Warning! Carbon monoxide!" when gas is detected, or "Low battery"
  • 85 decibel fire alarm alerts of fire or carbon monoxide gas
  • Smart hush-silences the unit during nuisance alarm situations
  • Ionization sensor - detects invisible fire particles (associated with fast flaming fires) sooner than photoelectric sensing alarms
  • Electrochemical sensor technology - detects poisonous carbon monoxide gas
  • Replacement Chirp - alerts to replace alarm after 10 years of operation
  • Ensure whole home family protection by placing 1 fire detector and carbon monoxide detector on each level of your home, in your bedroom, & other locations where required by law
  • Industry experts (such as the NFPA), recommend that both ionization and photoelectric smoke alarms be installed to help ensure maximum detection of the various types of fires that can occur within the home.
  • *Check with your state and local fire and Building/Safety codes for specific information regarding smoke & Carbon Monoxide Alarms.
  • Smoke and carbon monoxide detector utilizes an ionization sensor to detect fire hazards and sounds an 85 db alarm when a hazard is detected
  • UL/CSFM Ref. Kidde Part 900-0216A


Alarm Sensor Type
Certifications and Listings
UL Listed
Hush Feature, Voice Alert
Mount Type
Pack Size
Power Source
Product Depth (in.)
Product Height (in.)
Product Width (in.)
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