9120B Hardwired Ionization Smoke Alarm with Battery Backup
SKU: 9120B
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Designed to help promote household safety, the First Alert Hardwired Ionization Smoke Alarm with Battery Backup can provide early warning of fire. This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast-flaming fires.
- 120-volt hardwired smoke alarm wires directly into your home's electrical system
- Ionization smoke sensor reliably detects particles from fast-flaming fires
- Can integrate with up to 12 other First Alert or BRK hardwired smoke detectors
- Easy-to-access battery compartment; 9-volt battery included
- Hassle-free installation, no need to rewire
| Model | 9120B |
|---|---|
| Replacement Model | SMI100-AC |
| Type | Smoke Alarm |
| Sensor Type | Ionization |
| Sensor Information | Smoke particles of varying number and size are produced in all fires. For maximum protection, use both ionization and photoelectric sensing technologies. Ionization alarms are generally more sensitive to fast flaming fires and photoelectric alarms are generally more sensitive to smoldering fires. |
| Power Source | Hardwired |
| Battery Replaceable | Yes |
| Battery Backup | Yes |
| Backup Battery Size | 9V |
| Hardwired Interconnectivity | Yes |
| Sound Level | 85dB at 10 feet |
| Product Height | 1.9 in |
| Product Length | 5.6 in |
| Product Width | 5.6 in |
| Product Weight | 0.6 lb |
| Features | End-of-Life Warning, Battery Backup, Hardwire Quick Connect Plug Included |
| UPC Number | 029054513014 |
| Warranty | 10 Years Limited |
Replacement Products
Meets New Standards
Model: SMI100-ACMore options available