Hardwired Heat Alarm with Battery Backup, BRK Brands HD6135FB

This First Alert HD6135FB Hardwired Heat Alarm is a great add-on for crawl spaces, laundry rooms, garages, bathrooms, kitchens, or other applications not suitable for smoke alarm installations. This heat alarm features advanced rate-of-rise sensing technology. The alarm sounds if either the temperature reaches 135 degrees Fahrenheit or if the temperature rises more than 15 degrees Fahrenheit in one minute.

First Alert Hard-Wired w/Battery Back-up Ionization Heat Alarm Reliable heat alarm ideal for use in areas where smoke detectors aren't an option Advanced rate-of-rise technology senses elevated and rapidly rising temperature 120-volt AC detector designed for hardwired installation The test/silence button both silences a non-threatening alarm or low battery warning and allows you to test the unit's functionality. Latching alarm indicator which automatically identifies which unit initiated the alarm. Loud 85-decibel siren is designed to be heard easily Can integrate with up to 18 other compatible devices for comprehensive coverage