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Pick up available 09:00 a.m., May 20
Quebec residents: For information on maintenance and repair click here.
Discover peace of mind with the Kidde Worry-Free Smoke & Carbon Monoxide (CO) Alarm. This advanced safety device combines the latest fire and carbon monoxide detection technology to keep your home and loved ones safe. The 120 V hardwired talking alarm features a 10-year sealed lithium battery, eliminating the need for frequent replacements and ensuring continuous operation even during power outages. Trust Kidde to deliver reliable safety solutions that protect your home and family.
2-in-1 fire safety detector unit - Ionization sensing technology senses invisible fire particles, while an Electrochemical sensor detects carbon monoxide
85-decibel alarm announces: “Fire!” for smoke/fire, “Warning Carbon Monoxide” for CO gas, and “Replace Alarm” when it needs replacing
Smart-Hush button silences false alarms for 8 minutes, useful for cooking or shower steam
Internal components ensure alarm is always operating as expected
Green LED flashes every 60 seconds to show the unit has power and is working properly
Connects up to 24 Kidde alarms for comprehensive home detection
10-year limited warranty
**Starting January 1, 2026, Ontario requires Carbon Monoxide alarms adjacent to sleeping areas and on each storey in all residences with fuel-burning appliances, fireplaces, or attached garages.
| Part Number | 21032774 |
|---|---|
| Product Use(s) | Carbon Monoxide Detector, Smoke Detector |
| Alarm Type | Beep, Talking, Flashing Light |
| Sensor Type(s) | Electro-Chemical, Microprocessor Based |
| Power Source | Hardwired |
| Battery Type/Battery Size | Battery Pack |
| Accessories List | Backup Battery, Batteries Included, Mounting Hardware |
| Primary Colour | White |
| Consumer Pack Size | 1 |
| Certifications | UL Listed |
| Smart System Compatibility | No Smart Technology |
|---|---|
| Audible Alarm Strength (db) | 85 dB |
| Minimum Operating Temperature (°C) | 4.40 °C |
| Maximum Operating Temperature (°C) | 37.80 °C |
| Range (ft) | 9.84 ft |
| Cord Length (ft) | 0.00 ft |
| Advanced Features | Automatic Calibration, Continuous Duty, Display Indicator, Low Battery Indicator, Memory Recall Indicator, Mute Button, Reset Button, Tamper-Resistant, Testing Button, Voice Alert |
| Shelf Life (year) | 10 yr |
| Assembled Length (in) | 5.00 in |
| Assembled Width (in) | 1.89 in |
| Assembled Height (in) | 5.00 in |
Only Show Differences | ||||||
| Ratings | ||||||
| Product Use(s) | Carbon Monoxide Detector, Smoke Detector | Carbon Monoxide Detector, Smoke Detector | Smoke Detector | Carbon Monoxide Detector | Carbon Monoxide Detector, Smoke Detector | |
| Alarm Type | Beep, Talking, Flashing Light | Beep, Talking, Flashing Light | Beep, Flashing Light | Beep | Beep, Talking, Flashing Light | |
| Sensor Type(s) | Electro-Chemical, Microprocessor Based | Electro-Chemical, Microprocessor Based | Microprocessor Based | Electro-Chemical | Electro-Chemical, Microprocessor Based |
Subtotal for 3 items$139.97

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