Fire-Lite ST3 Smapling Tube for 2-4' Ducts, Metal

Optimize duct smoke detection with the Fire-Lite Alarms by Honeywell ST-3 Sampling Tube — built to deliver dependable early warning in 2–4' HVAC ducts. This metal sampling tube is a purpose-built detector accessory that provides consistent air sampling to smoke detectors, improving response times for fire monitoring and security systems. Constructed from durable metal and supplied with the ST3 mounting adapter (also compatible with Altronix ST3 adapters), the ST-3 simplifies installation and reduces downtime during service. Its design supports a wide range of smoke detectors and integrates cleanly with existing fire alarm networks and surveillance/monitoring infrastructures, making it ideal for commercial, industrial, and institutional sites. The robust construction minimizes maintenance cycles and maintains performance in challenging environments, helping facilities meet safety codes and protect assets. Specify the Fire-Lite ST-3 Sampling Tube when you need a reliable, low-maintenance detector accessory that enhances smoke detection accuracy in ductwork. Order now to improve your facility’s fire detection and monitoring capabilities or contact us to confirm compatibility with your system.

• Ensures reliable smoke sampling in 2–4' HVAC ducts for faster detection and reduced false alarms
• Heavy-duty metal construction for long service life and dependable performance in commercial systems
• Includes ST3 mounting adapter and compatible with Altronix ST3 adapters for quick, tool-friendly installation
• Designed to integrate with smoke detectors and fire alarm networks to support continuous monitoring and building security
• Low maintenance design that simplifies inspection and helps meet code and compliance requirements