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Duct Smoke Detectors - System Sensor

movement is other than through the supply air system.” 1 NFPA 72, 2013 and section 907.3.1 of the 2015 edition of the International Fire Code states, “Detectors that are installed in the air duct system shall not be used as a substitute for open air protection.” Area smoke detectors are the preferred means of controlling smoke ...


  System, Duct, Air system, Air duct system




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