5 Foot Sampling Tube for Addressable DDA Fire Detection, Model 1000275

The STN-5 is a 5-foot duct sampling tube designed for use with addressable direct duct aspirating (DDA) fire detection systems. This sampling tube connects to addressable DDA detectors, allowing smoke detection in concealed spaces, plenums, and ducting where traditional point detectors cannot be installed.

Manufactured in the United States, this detector accessory provides an economical way to extend fire detection coverage in HVAC systems and enclosed areas. The 5-foot length accommodates standard installation distances in commercial and industrial fire detection networks.

• 5-foot length extends detection reach into ducts, plenums, and concealed spaces
• Compatible with addressable DDA fire detection systems for networked monitoring
• Manufactured in the United States to consistent quality standards
• Detector accessory for HVAC and duct fire safety applications