Firex Hardwired Inter-Connectable 120-Volt Auxiliary Heat Detector 135 Degree with Battery Backup

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 above 135 degree F. The Kidde HD135 degree F is inter connectable. The interconnect system must not exceed the NFPA (National Fire Protection Association) limit of 18 initiating devices (Smoke, heat, CO, etc.) interconnected, it is still possible to interconnect 6 strobe lights and or relay modules. This unit includes a 5-year limited warranty and is UL Listed.”,”highlights”:[“Heat alarm requires hardwire installation”,”All interconnected alarms will sound when one alarm goes off”,”Best for pitched elevated heat areas such as ceilings and attics”

Alarm Sensor Type:Dual-Sensor

Alarm Type:Heat

Alarm/Detector Features:Battery Back-Up,Hush Feature,Interconnected

Battery Type Required:9-volt

Commercial/Residential:Residential

Connector/Contact Type:None

Heat Detection Type:Fixed Temperature

Included:No additional components or accessories are included

Pack Size:3

Power Source:Hardwired

Returnable:90-Day

Voltage (V):120

Certifications and Listings:UL Listed

Product Depth (in.):2 in

Product Height (in.):5 in

Product Width (in.):5 in