If the switch trips repeatedly under normal load

Its 1/4" NPT threads ensure seamless integration into standard industrial pipelines

The unit produces a robust open circuit voltage range of 20 to 28 mV

maintaining original factory specifications

System Sensor ST-5 Sampling Tube If the switch trips repeatedlyThe 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