Simplex 4904-9172 SF 05/02 SuperDuct detectors use differential sensing
$82.95
Description
SuperDuct detectors use differential sensing to prevent gradual environmental changes from triggering false alarms
The rate-of-rise heat function quickly detects a fast
The FSP-851 photoelectric detector’s unique optical sensing chamber is engineered to sense smoke produced by a wide range of combustion sources
HPFF12 and HPFF12CM are twelve amp Notification Appliance Circuit (NAC) Expander Power Supplies designed to extend the power capabilities of existing NACs and provide power for auxiliary devices
Simplex 4904-9172 SF 05/02 SuperDuct detectors use differential sensing
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