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System Sensor D4120 (Replaces 70-600000-054 & 70-600000-157) Gas/Smoke Detector
System Sensor
MSRP: $188.31Now: $142.66System Sensor D4120 (Replaces 70-600000-054) Gas/Smoke Detection, 24Vac/dc or 120Vac Power Supply, 4-Wire Photoelectric Low-Flow Duct Smoke Detector with two DPDT relay contacts and Test/Reset...MSRP: $188.31Now: $142.66