System Sensor ST-5 Sampling Tube It provides the added benefit

It provides the added benefit of breaking both legs of the power supply for increased safety during servicing

along with NY Microtek3 and various RSA residential units

these cores are suitable for use with both legacy HCFCs and modern HFC/HFO blends

providing the durability needed for demanding multi-section commercial and residential boiler installations

System Sensor ST-5 Sampling Tube It provides the added benefitThe 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