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it is optimized as a surface mount sensor for direct contact with metal partitions or equipment casings to monitor conductive heat transfer
consider the Sporlan E series or consult the technical datasheet for fluid compatibility
25 to 150 Amps
Field-Proven Reliability: UL-recognized component built to withstand the rigors of heavy-duty HVACR duty cycles
System Sensor D4120 Detector 30067439-890 it is optimized as aThe System Sensor D4120 is an industrial grade 4 wire photoelectric duct smoke detector designed for high performance smoke detection in HVAC air handling systems. This InnovairFlex duct smoke detector operates across a wide air velocity range of 100 to 4,000 feet per minute, making it suitable for both low flow and high volume applications. It features a versatile pivoting housing that accommodates square or rectangular footprints and mounts easily