Description
The Supco DST34 Duct Sampling Tube is a professional-grade accessory designed for accurate air sampling within HVAC ductwork. Whether you’re conducting indoor air quality (IAQ) assessments, verifying sensor performance, or diagnosing system airflow conditions, the DST34 provides a reliable and convenient solution for drawing representative air samples from supply or return ducts.
Key Features
- Designed for installation in HVAC ductwork to draw accurate air samples
- Compatible with duct-mounted sensors and detectors requiring representative air sampling
- Durable construction suitable for continuous use in commercial and residential HVAC systems
- Straightforward installation for quick field deployment
- Supports indoor air quality diagnostics and system performance verification
Applications
- Indoor air quality (IAQ) monitoring and testing
- Duct-mounted smoke, CO2, humidity, and temperature sensor installations
- HVAC system commissioning and diagnostics
- Commercial and residential air handling unit (AHU) applications
Why Choose the Supco DST34?
Supco is a trusted name in HVAC components and accessories, delivering products engineered for reliability and ease of use. The DST34 Duct Sampling Tube ensures that connected sensors and detection devices receive a consistent, representative sample of duct air — improving measurement accuracy and overall system performance. Its straightforward design minimizes installation time while maximizing diagnostic confidence in the field.







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