AC Hardwired Interconnect Carbon Monoxide Alarm – KN-COB-IC (Part No. 900-0120)

The KN-COB-IC AC Hardwired Carbon Monoxide Alarm is a reliable and essential safety device designed to protect your home and family from dangerous levels of carbon monoxide (CO)—a colorless, odorless, and potentially deadly gas. Powered by a 120V AC wire-in connection with a 9V battery backup, this alarm ensures continuous monitoring even during power failures.

Engineered for modern home safety systems, the KN-COB-IC supports interconnection with up to 24 compatible devices, including smoke alarms, CO alarms, and heat detectors. Of these, up to 18 devices can act as initiating alarms, ensuring a synchronized and rapid response across the entire system in the event of an emergency.

This model features a smart interconnect system, allowing it to distinguish between different alarm types. It produces a distinct CO alarm pattern when carbon monoxide is detected and a different pattern when triggered by an interconnected smoke alarm, improving clarity during emergencies.

Designed with installer convenience in mind, the KN-COB-IC includes multiple contractor-friendly features, such as an adjustable mounting bracket for precise alignment and a Test/Reset function that allows users to verify alarm operation or quickly silence alerts when needed.

With its 10-year limited warranty and maintenance-free design, this alarm delivers long-term peace of mind and dependable protection against the “silent killer.”

Key Features

• AC hardwired carbon monoxide alarm (120V wire-in)
• 9V battery backup for uninterrupted protection
• Detects dangerous carbon monoxide levels (CO)
• Interconnects with up to 24 devices (18 initiating max)
• Smart interconnect system with distinct alarm patterns
• Test/Reset button for easy functionality check and silence
• Adjustable mounting bracket for quick installation
• Contractor-friendly design for reduced troubleshooting
• Supports integration with smoke and heat alarms
• 10-year limited warranty
• Reliable protection against carbon monoxide exposure
• Part Number: 900-0120

Specifications

• Model: KN-COB-IC
• Part Number: 900-0120
• Power Supply: 120V AC Hardwired
• Backup Battery: 9V Battery Included
• Detection Type: Carbon Monoxide (CO)
• Interconnect Capacity: Up to 24 devices (18 initiating max)
• Alarm System: Smart Interconnect Network
• Controls: Test / Reset Button
• Mounting: Adjustable bracket system
• Installation Type: Hardwired (wire-in)
• Warranty: 10-Year Limited Warranty