Hochiki DH-100-P Conventional Duct Smoke DetectorThe Hochiki DH 100 P is a Conventional 4 wire Duct Smoke Detector. The DH 100 P operates on 120VAC, 240VAC, 24VAC, or 24VDC and has no compatibility restrictions. Comes equipped with Photoelectric detector head model: SOC 24DH (included). The DH 100 P is provided with a local test button, and output terminals for remote status indicators and test switches. Air sampling is accomplished by two tubes which protrude into the duct. The 7. 5" exhaust tube
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