The Kidde HD135F is a 120VAC Wire In Heat Alarm that responds to temperature rather than smoke. The alarm will sound if temperatures rise above 135˚F. The Kidde HD135F is interconnectable. 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. Model HD135F Power Source 120VAC, 60HZ, 9V battery backup Sensor Heat Audio Alarm 85dB at 10ft Temperature Range -20F to +100F (-29C and +38C) Humidity Range 5%-95% relative humidity (RH) Size 5” in diameter x 2” depth Weight .75lbs Interconnects Up to 24 Kidde devices of which 18 can be initiating devices. LED Green, AC power present, alarm mode; flashing Red indicates originating unit Warranty 5 year limited warranty
