• System Sensor 5604 194F fixed temperature mechanical heat detector showing the device with mounting base and sensing element
  • System Sensor 5604 194F fixed temperature heat detector with single-circuit mechanical design, shown in a close-up view.
  • System Sensor 5604 194F fixed temperature mechanical heat detector, single-circuit device for fire detection.
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System Sensor

System Sensor 5604 Early SpectrAlert Notification Appliance

$22.26
$22.26
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System Sensor 5604 early SpectrAlert legacy notification appliance. System Sensor (Honeywell brand) commercial fire-alarm device — compatible with Notifier, Gamewell-FCI, Silent Knight, and Fire-Lite control panels per device family.

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