System Sensor DST1 Metal Sampling Tube for DNRE and D2E, Duct Width up to 1' (0.3m)

Engineered for dependable HVAC monitoring and fast integration, the System Sensor DST1 Metal Sampling Tube delivers early smoke detection for ducts up to 1' (0.3 m). This sampling tube is a purpose-built detector accessory for InnovairFlex/DNRE and D2E duct smoke detectors, providing building operators and security integrators with a durable, easy-to-service solution for life-safety and fire surveillance systems. Constructed from high-quality metal, the DST1 resists damage, simplifies routine cleaning and helps maintain consistent sensitivity over time. At a compact 12" length and 1" profile, it fits tight ductwork without compromising sampling performance. As a UL-listed accessory, the DST1 supports code-compliant installations and reduces retrofit complexity for commercial, institutional and industrial HVAC applications. Ideal for integration into broader security and monitoring systems, this sampling tube helps ensure continuous HVAC smoke surveillance and quicker response to potential fire events. Add the System Sensor DST1 to your next duct smoke detector installation to enhance building protection and operational reliability.

• Provides reliable early smoke detection in HVAC ducts up to 1' (0.3 m) to protect people and property
• Robust metal construction resists damage and is easy to clean for long-term monitoring reliability
• Direct compatibility with InnovairFlex, DNRE and D2E duct smoke detectors for fast, low‑risk integration
• Slim 12" length and 1" profile fit tight duct runs, simplifying installation in commercial HVAC systems
• UL-listed accessory that supports code-compliant fire detection and security monitoring installations