Silent Knight SK-DUCT-W Fire Alarm Duct Smoke Detector Housing - The SK-DUCT-W provides a robust, reliable solution for monitoring airflow within HVAC ducts to detect the presence of smoke. This unit is engineered to integrate seamlessly into commercial fire alarm systems for rapid response to air-borne hazards. - Operating temperature range of -4°F to 158°F - Compatible with standard 2-wire and 4-wire systems - High-velocity airflow rating up to 4000 FPM - UL 268A listing for safety compliance - Durable housing construction for industrial environments

Compared to previous generations of duct smoke detectors, the SK-DUCT-W offers enhanced installation efficiency and reduced maintenance requirements. While older models often required complex wiring configurations, this refined design simplifies setup without compromising the rigorous performance standards expected in modern life-safety infrastructure.

Advanced Sensing and HVAC Integration

The SK-DUCT-W utilizes precision-engineered circuitry to maintain high sensitivity across diverse environmental conditions. By monitoring air velocity with exceptional accuracy, it prevents false alarms while ensuring critical alerts are triggered immediately upon smoke detection. Its versatile mounting architecture allows technicians to secure the housing firmly in various duct sizes, ensuring consistent performance even in challenging mechanical spaces.

Reliable Performance and Operational Safety

Safety is the primary focus of the Silent Knight design philosophy, and this housing reflects that commitment through its rugged, impact-resistant build. The unit is optimized for continuous duty, providing facility managers with a dependable tool for fire prevention and HVAC system shutdown control. When integrated into a comprehensive alarm network, it provides the early warning necessary to protect both property and personnel from the rapid spread of smoke through ventilation pathways.