• System Sensor 4WT-B photoelectric smoke detector, 4-wire fire alarm with visible sensor and mounting base.

System Sensor

System Sensor 4WT-B i3 4-Wire Smoke + Heat Detector

$61.85
$61.85
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System Sensor 4WT-B i3 Series 4-wire conventional smoke + heat detector. 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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