System Sensor ST-5 Sampling Tube along with NY Microtek3 and

along with NY Microtek3 and various RSA residential units

this sensor is commonly used in units branded under Heil

When the temperature exceeds the 150°F threshold

restoring the factory-fresh look and protecting the underlying components from moisture and wear

Key Benefits Forged Brass Construction: High-tensile C360/C370 brass provides maximum wall strength and prevents thermal fatigue or cracking

System Sensor ST-5 Sampling Tube along with NY Microtek3 andThe System Sensor ST 5 is a 5 foot metal sampling tube engineered for high performance smoke detection in HVAC ducts ranging from 4 to 8 feet in width. Built with a durable rigid steel construction, this tube is essential for contractors installing or maintaining duct smoke detectors in commercial and industrial air handling systems. The ST 5 acts as the direct replacement for L 313 1, ensuring seamless integration into legacy systems without the need