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Al-Bader International - ABI - According To NFPA 72 - 2019 ( National Fire Alarm and Signaling Code ) 17.7 Smoke-Sensing Fire Detectors. 17.7.6 Special Considerations. 17.7.6.3 High Air Movement Areas. 17.7.6.3.3*
Heat Detector Spacing for high Ceiling According to NFPA 72 - Fire Protection Specialists