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System Sensor InnovairFlex D4120 Smoke Detector
Shop all System Sensor

System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector, 24VDC/120VAC, (Replaces DH100ACDCLP)

D4120|BK-D4120
Shop all System Sensor

System Sensor D4120 4-Wire Photoelectric Low-Flow Duct Smoke Detector, 24VDC/120VAC, (Replaces DH100ACDCLP)

D4120|BK-D4120

Product Documents and Resources

Product Data Sheet
Installation Instructions
Manufacturer Brochure