Kidde Firex Hardwired Inter-Connectable 120-Volt Auxiliary Heat Detector 135 Degree with Battery Backup 21029895 - The Home Depot

The Kidde FireX HD135F is a 120-Volt AC Wire In Heat Alarm that responds to temperature rather than smoke. The alarm will sound if temperatures rise

Kidde Smart Smoke and Carbon Monoxide Detector, Hardwired with Voice Alert 21031042 - The Home Depot

Kidde Hardwire Interconnectable 135-Degree Heat Alarm HD135F

120VAC Wire In Heat Alarm HD135

Kidde Firex Smoke and Carbon Monoxide Detector, Hardwired with Battery Backup and Voice Alarm, Adapters Included, 2-Pack 21029889 - The Home Depot

Kidde Firex Smoke Detector, Hardwired with 9-Volt Battery Backup, Smoke Alarm, 6-Pack 21005927 - The Home Depot

Kidde Battery Operated Smoke and Carbon Monoxide Combination Detector with Wire-Free Interconnect and Voice Alarm 21027448 - The Home Depot

Kidde Kidde Pro Series Hardwire Ionization Smoke Alarm with Battery Backup

The Kidde FireX ACDC 120-Volt Carbon monoxide alarm detects carbon monoxide. This hardwired 120-Volt Inter Connectable Carbon Monoxide Alarm with

Firex Hardwired Carbon Monoxide Detector with 9-Volt Battery Backup

Kidde Hardwired Smoke and Combination Detector Adapters 21028461 - The Home Depot