Hardwired heat alarm with battery backup is designed for areas not suitable for smoke alarms, such as garages, kitchens, or laundry rooms. Rate-of-rise thermistor sensing triggers the 85 dB alarm if the temperature reaches 135 °F or rises more than 15 °F in one minute, helping detect dangerous heat quickly. Unit interconnects with compatible First Alert/BRK alarms and includes a 9V backup battery.
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Hardwired heat alarm with battery backup is designed for areas not suitable for smoke alarms, such as garages, kitchens, or laundry rooms. Rate-of-rise thermistor sensing triggers the 85 dB alarm if the temperature reaches 135 °F or rises more than 15 °F in one minute, helping detect dangerous heat quickly. Unit interconnects with compatible First Alert/BRK alarms and includes a 9V backup battery.

The First Alert® SMICO100 Battery-Operated Combination Smoke and Carbon Monoxide Alarm provides protection against both threats in a single alarm. It is equipped with First Alert's Precision Detection advanced sensing technology and meets new industry standards. This 2-in-1 smoke and carbon monoxide alarm provides reliable protection against both threats and is easy to install and maintain.

Get alerted the minute a dangerous hazard threatens your home with the 2-in-1 smoke and carbon monoxide detector. Engineered to tell the difference between dangerous smoke and burning food, so you’ll always know when there’s a real emergency. It’s also backed by SimpliSafe’s award-winning security system and 24/7 professional monitoring—any time there’s trouble, emergency assistance will be quickly sent to your front door.* Setup is easy too with the included hardware. Plus, thoughtful notifications will give you daily updates on your detectors’ status, so you know it’s working properly. *Emergency dispatch is available with select monitoring plans.
| Pros for First Alert - Hard-Wired w/Battery Back-up Ionization Heat Alarm 1 pk | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Installation Ease, Connectivity, Overall Performance, Battery Life, Compatibility | Ease of use |
| Cons for First Alert - Hard-Wired w/Battery Back-up Ionization Heat Alarm 1 pk | |||
| There were no cons for this product— | There were no cons for this product— | Features, Alarm Accuracy, Night Light, Size | There were no cons for this product— |