Kidde KN-COB-IC Hardwired Carbon Monoxide Alarm with Interconnect

Kidde KN-COB-IC Hardwired Carbon Monoxide Alarm: At a Glance

The Kidde KN-COB-IC is an AC hardwired carbon monoxide alarm engineered for reliable, permanent CO detection in commercial buildings, schools, multi-family residential complexes, and any facility requiring code-compliant continuous protection. The KN-COB-IC draws power directly from the building's 120V AC electrical system and features full interconnect capability, allowing it to communicate with other compatible Kidde hardwired alarms across a facility. When CO is detected by any single unit in the network, every connected alarm activates simultaneously — a critical feature for ensuring rapid occupant notification throughout large or multi-story structures. Certified to UL 2034, the KN-COB-IC is a foundational building block for comprehensive CO safety programs.

• Power: 120V AC hardwired, no battery needed for primary operation
• Interconnect: Yes — compatible with Kidde hardwired alarm ecosystem
• Certification: UL 2034 listed
• Sensor: Electrochemical CO detection
• SKU: KN-COB-IC

Why Choose the Kidde KN-COB-IC?

The KN-COB-IC delivers the core requirements for commercial CO protection: hardwired reliability, interconnect networking, and UL 2034 certification — all in a streamlined, cost-effective form factor. For facilities managers who need proven CO detection without the ongoing maintenance burden of battery replacement, the KN-COB-IC's AC hardwired design provides continuous, uninterrupted monitoring as long as the building has power. This makes it especially well-suited for occupied facilities like schools, assisted living centers, hotels, and offices where lapses in CO protection carry serious liability and safety consequences.

The interconnect capability distinguishes the KN-COB-IC from standalone battery units. In networked installations, a CO event in any location — a boiler room, parking garage, or utility closet — instantly triggers alarms throughout the connected system, giving building occupants maximum warning time regardless of where the CO source is located. For safety directors and building engineers, this means fewer reliance on human notification chains and a more robust, automated emergency response architecture. The KN-COB-IC is designed for straightforward installation by licensed electricians, compatible with standard junction boxes, and integrates seamlessly into new construction or retrofit projects.

Key Features

• 120V AC hardwired power for continuous, maintenance-light CO monitoring
• Full interconnect capability with compatible Kidde hardwired alarm systems
• Simultaneous alarm activation across all networked units when CO is detected
• UL 2034 listed — compliant with U.S. commercial and residential CO alarm standards
• Electrochemical sensor technology for accurate, long-term CO detection
• Test/reset button for scheduled safety inspections and compliance documentation
• Low-profile housing designed for wall mounting in any occupied space
• Compatible with standard electrical junction boxes for easy installation
• 85 dB alarm for clear audible alert even in noisy environments
• Meets NFPA 720 and International Fire Code (IFC) requirements
• Suitable for new construction and retrofit applications
• Backed by Kidde, a Carrier company with decades of fire and CO safety expertise

Real-World Benefits

For safety managers overseeing multi-story or campus-style facilities, the KN-COB-IC's interconnect feature transforms a collection of standalone CO alarms into a cohesive building safety network. When a single unit detects CO in any mechanical room or utility space, every alarm in the connected system — across floors, wings, or buildings — alerts simultaneously. This provides occupants maximum response time and reduces the risk of CO exposure in areas distant from the detection source.

Facilities teams appreciate the reduced maintenance footprint of AC hardwired alarms. Without batteries to check, replace, or track, ongoing compliance is simpler and more reliable. During annual fire safety inspections, the KN-COB-IC's test/reset button allows quick verification of alarm function, supporting documentation requirements for OSHA, local fire marshals, and insurance carriers. For procurement teams managing large installations, the KN-COB-IC's compatibility with the broader Kidde hardwired ecosystem means consistent parts, installation procedures, and vendor relationships across the entire property portfolio.

The KN-COB-IC is also a cost-efficient choice for organizations that need proven CO detection without advanced features like digital PPM displays. By focusing on core hardwired reliability and interconnect capability, it provides commercial-grade protection at a practical price point — ideal for bulk deployments across school districts, hotel chains, or multi-family housing operators.

Applications and Ideal Use Cases

The Kidde KN-COB-IC is ideal for any permanent commercial or institutional installation requiring code-compliant CO detection. Key applications include elementary and secondary schools (mandated by many state codes), colleges and universities, hotels and extended-stay properties, multi-family residential buildings, office buildings with combustion-based HVAC systems, healthcare and assisted living facilities, government and municipal buildings, retail spaces with attached loading or service areas, and light industrial facilities with combustion equipment. Wherever a furnace, boiler, water heater, commercial kitchen range, or backup generator is present, the KN-COB-IC provides the reliable, interconnected CO protection that life safety codes and best practices require.

Product Specifications

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Frequently Asked Questions

Does the Kidde KN-COB-IC have a digital display?

No. The KN-COB-IC is an alarm-only unit without a digital PPM display. It detects CO and activates an audible alarm when CO reaches dangerous levels. If your facility requires a continuous digital PPM readout, consider the Kidde KN-COP-IC, which includes a digital display and interconnect capability.

How many devices can be interconnected with the KN-COB-IC?

The KN-COB-IC supports interconnection with up to 24 compatible Kidde hardwired devices. When any unit in the network detects CO, all connected alarms sound simultaneously, providing building-wide notification. Verify compatibility with your specific Kidde alarm models before installation.

Is the KN-COB-IC suitable for commercial use?

Yes. The KN-COB-IC is UL 2034 listed and designed for permanent installation in both commercial and residential occupancies. It is compliant with NFPA 720 and the International Fire Code (IFC) for CO detection, making it suitable for schools, hotels, office buildings, and multi-family housing.

Does the KN-COB-IC require a battery?

The KN-COB-IC operates on 120V AC hardwired power and does not require a battery for primary operation. Some commercial fire codes may require battery backup in certain occupancy types — consult your local authority having jurisdiction (AHJ) to confirm requirements for your specific installation.

Can I purchase the KN-COB-IC in bulk quantities?

Yes. WC Safety offers bulk and volume purchasing for commercial and institutional customers. Contact us for quantity pricing, shipping options, and project-level procurement support for large CO alarm deployments.

What is the replacement interval for the KN-COB-IC?

Kidde recommends replacing CO alarms every 5–7 years. The KN-COB-IC includes an end-of-life signal to alert facility managers when the unit requires replacement. Maintain a record of installation dates as part of your building's safety management documentation.