System Sensor CO-REPL Replacement CO Cell for COSMO-2W and COSMO-4W Detectors

Ensure continuous, reliable carbon monoxide protection with the System Sensor CO-REPL CO Cell replacement module. Designed for facilities and installers who demand low-maintenance, high-performance components, this CO sensor replacement keeps COSMO-2W and COSMO-4W combination detectors operating at peak accuracy. With a 10-year CO cell life and integrated LED status indication, the CO-REPL reduces service calls and delivers clear, on-device diagnostics for faster troubleshooting and monitoring.

Easy to install, the CO-REPL fits directly into System Sensor COSMO detector assemblies and preserves interconnect alarm behavior so that when one unit detects CO, all linked devices alert occupants—critical for security and life-safety in residential, commercial, and multi-tenant buildings. Ideal for security integrators, facilities managers, and fire alarm technicians, this replacement module supports seamless integration into existing monitoring and surveillance systems while meeting the expectations of modern fire and CO protection programs.

Keep your detection network dependable — replace aging CO cells proactively to maintain continuous monitoring and comply with safety protocols. Order the System Sensor CO-REPL for fast field replacement and uninterrupted protection.

• Extends CO sensor life up to 10 years, minimizing maintenance and downtime for commercial and multi-unit installations
• Direct replacement for COSMO-2W and COSMO-4W detectors for fast, reliable field service
• Built-in LED status indicator simplifies troubleshooting and ongoing monitoring for security teams
• Preserves full detector functionality and alarm interconnect for consistent site-wide warning
• White, compact module designed for seamless integration with System Sensor detector bases and control panels