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Silent Knight SD505-DUCTR is an addressable Duct Smoke Detector with Relay.
Features built-in SD505-APS Photoelectric Smoke Sensor (included).
The built-in relay module turns off fans, blowers, and other devices.
COMPATIBLE for use with with Silent Knight's IntelliKnight 5700, IntelliKnight 5808, and IntelliKnight 5820XL Fire Alarm Control Panels.
NOTE: Replaces SD505-ADHR
Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
US$40
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