KIDDE 21006406 AC/DC Wire-In Carbon Monoxide Alarm with Battery Backup

The Kidde 21006406 is an AC wire-in carbon monoxide alarm designed for residential use to detect dangerous levels of carbon monoxide (CO) and provide early warning to occupants. It features a 120VAC power source with a 9V battery backup for continuous monitoring during power outages. This unit is interconnectable with up to 24 Kidde devices, including smoke, CO, and heat alarms, enabling comprehensive home safety solutions. Suitable for installation on standard single gang electrical boxes or up to 4” octagon junction boxes, it is designed for quick and secure mounting and is compliant with UL 2034 standards.

Specifications

• Manufacturer: Kidde
• Model Number: KN-COB-IC
• Manufacturer Part #: 21006406
• Power Source: 120VAC, 60Hz with 9V battery backup
• Sensor Type: Electrochemical fuel cell
• Audio Alarm: 85 dB at 10 feet
• Operating Temperature Range: 40¬∞F (4¬∞C) to 100¬∞F (38¬∞C)
• Operating Humidity Range: 5% to 95% relative humidity (non-condensing)
• Dimensions: 5.75 inches diameter x 1.8 inches depth
• Weight: 1 lb
• Interconnect Capability: Up to 24 Kidde devices
• Warranty: 5-year limited

Features

• Interconnectable with up to 24 Kidde alarms and devices for integrated home safety
• 9V battery backup ensures continuous CO detection during power outages
• Electrochemical sensor meets UL 2034 sensitivity requirements for reliable CO detection
• Distinct audible alarm pattern for CO detection: four short beeps, 5 seconds silence, repeated
• Smart interconnect system differentiates CO alarms from smoke alarms with unique alarm patterns
• Test/Reset button for immediate circuit testing and alarm silencing
• LED indicators: green power LED, red alarm LED, and amber initiation alarm LED for clear status monitoring
• Adjustable mounting bracket for fast installation and perfect alignment
• Tamper resist locking feature to deter removal or theft
• Sealed cover protects sensor from contaminants before installation to reduce nuisance alarms
• Alerts user to replace the alarm after 7 years of operation
• Meets National Fire Protection Association (NFPA) and UL standards for CO alarms

Downloads & Links

• Data Sheet Kidde KN-COB-IC AC Hardwired Operated CO (ENG)
• User Guide for Kidde Models KN-COB-IC, KN-COP-IC (English)