Bosch D340 Fire Alarm Duct Smoke Detector - This specialized sensing unit provides reliable smoke detection within HVAC duct systems to prevent the spread of combustion products throughout a facility. Its robust design ensures continuous monitoring for commercial life-safety applications - Universal mounting configuration - Integrated status LED indicator - Voltage range of 20 to 29V DC - Compatible with diverse fire alarm control panels - Durable housing rated for high-airflow environments

Engineered for high-performance safety, this Bosch D340 unit represents a significant refinement over legacy duct detectors by offering enhanced sensitivity and a more streamlined installation footprint. Unlike older, bulkier models that often required complex wiring configurations, this current generation streamlines the integration process while maintaining high compliance standards for modern fire protection systems.

Advanced Sensing Technology and Operational Reliability

The D340 utilizes sophisticated photoelectric sensing technology to detect smoke particles quickly within moving air currents, minimizing false alarms while ensuring rapid response times. Its precision-engineered sampling tubes ensure consistent airflow sampling, providing fire safety professionals with the confidence needed for critical life-safety infrastructure in both new construction and system retrofits.