Overview
The First Alert SMICO100-AC is a hardwired combination smoke and carbon monoxide alarm with a replaceable 9V alkaline backup battery, supplied here as a factory 6-pack. It combines ionization smoke sensing, electrochemical carbon monoxide detection, and First Alert Precision Detection technology in one interconnected alarm.
Key Features
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Dual-threat detection: Ionization smoke sensing and an electrochemical carbon monoxide sensor monitor two household hazards.
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Backup protection: The replaceable 9V alkaline battery provides coverage during AC power outages.
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Interconnection: Compatible hardwired alarms sound together when one connected device enters alarm.
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Installation: Quick Connect plug support simplifies compatible hardwired replacement installations.
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Safety alerts: 85 dB alarm at 10 ft, test/silence control, latching alarm indication, and end-of-life warning.
Specifications
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Model: SMICO100-AC
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Brand: First Alert
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Type: Smoke & Carbon Monoxide Alarm
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Sensor Type: Ionization (smoke); Electrochemical (carbon monoxide)
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Power Source: AC-powered
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Connectivity: Wired
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Operation Mode: Interconnected
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Operating Voltage: 120 V AC, 60 Hz, 0.09 A
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Battery Backup: Yes
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Backup Battery Type: 1 × 9V alkaline
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Hardwired Interconnectivity: Yes; compatible First Alert/BRK hardwired alarms
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Sound Level: 85 dB minimum at 10 ft (3 m)
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Alarm Type: Audible alarm
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Mounting Type: Ceiling or wall
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Operating Temperature: 40°F to 100°F (4°C to 38°C)
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Certifications: UL Listed; UL 217; UL 2034
Common Applications
- Multi-room residential smoke and CO protection requiring six coordinated alarms.
- Replacement of compatible SC9120B installations where the manufacturer specifies SMICO100-AC.
- Compatible First Alert or BRK hardwired networks that require battery backup.
