Gentex HD135 Heat Alarm, 120V Hardwired 135 Degree Interconnectable w/9V Battery Backup & T3 Horn (917-0023-002)
The Gentex HD135 is a single or multiple station heat alarm. It's designed for 120V hardwired use and features a 9V battery backup for ensured safety even when power is lost. This Gentex heat alarm features a temporal 3 (T3) audible signal for evacuation. This model is a 135deg; fixed temperature heat alarm.