System Sensor ST-5 Sampling Tube Key Benefits Broad Compatibility: Directly

Key Benefits Broad Compatibility: Directly compatible with Modine PD and BD series gas unit heaters for efficient field service

Is the 450277-001 compatible with R-410A systems

and FAN for the motor—ensuring a straightforward swap for service technicians in the field

It maintains the same technical specifications and mounting footprint for a seamless swap

Common Questions How do I know if my York furnace limit switch is bad

System Sensor ST-5 Sampling Tube Key Benefits Broad Compatibility: DirectlyThe 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