Silent Knight SK-DUCT-W Intelligent Photoelectric Duct Smoke Detector, Smoke Detector Housing and SK-PHOTO-R-W Detector

Improve duct-level fire protection and HVAC air quality with the Silent Knight by Honeywell SK-DUCT-W intelligent photoelectric duct smoke detector. Designed for commercial and industrial facilities, this duct smoke detector delivers early, reliable detection of smoldering and visible combustion particles directly within air-handling systems—helping prevent smoke spread and minimizing business disruption. The SK-DUCT-W is engineered to perform across airflow velocities of 100 to 4,000 feet per minute and in temperatures from -4°F to 158°F, ensuring dependable monitoring in diverse environments. Its photoelectric sensor reduces false alarms common in duct applications, while wired connectivity and 32V DC power compatibility simplify integration with existing fire panels and security/monitoring platforms. UL listed for regulatory confidence, the SK-DUCT-W supports your building’s fire detection, surveillance, and facility safety strategies with a durable, tool-free mounting design that accelerates installation. Specify the Silent Knight SK-DUCT-W for duct-level protection in schools, hospitals, data centers, and commercial properties—contact your distributor or add it to your next safety upgrade.

• Proactively protects HVAC air streams by detecting smoldering and visible combustion particles before they spread through ductwork
• Reliable operation across 100–4,000 fpm airflow and -4°F to 158°F ambient temps for consistent performance in varied commercial environments
• Photoelectric sensing reduces nuisance alarms from dust and drafts, improving monitoring accuracy for security and facility teams
• Tool-free, flexible mounting speeds installation and lowers labor costs during retrofits or new builds
• UL listed for code compliance and seamless integration into fire detection, security, and building management systems