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With clear spacer
System Sensor CHRL L-Series Selectable Output Chime
White (Replaces PC2WH)
such as drift compensation and smoothing algorithms
Simplex 565-637 (4098-9681) Duct Board
System Sensor CO1224TR Carbon Monoxide Detector 4-Wire Fire Sale With clear spacerSystem Sensor CO1224TR Round, 12 24V, 4 Wire, System Monitored Carbon Monoxide Detector with RealTest Technology It meets NFPA 720: 2009 requirements and can be easily tested by spraying canned CO gas into the detector while in RealTest mode. The detector will alarm within seconds, indicating successful gas entry. With 24 7 central station monitoring, the CO1224TR provides reliable protection against the harmful effects of CO gas. It is designed for
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