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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.
The heat alarm shall be Kidde Unit HD135F or approved equal. It shall be powered by a 120VAC, 60Hz source along with a 9V battery backup. The temperature operation range shall be between -20F to +100F (-29C and +38C) and the humidity operation range shall be 5% - 95% relative humidity. The heat alarm can be installed on any standard single gang electrical box, up to a 4” octagon junction box. The electrical connection (to the alarm) shall be made with a plugin connector. A maximum of 24 Kidde devices can be interconnected in a multiple station arrangement. 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. The alarm shall provide optional tamper resistance that deters removal of the unit from the wall or ceiling. The unit shall include a piezoelectric horn that is rated at 85dB at 10ft. The unit shall incorporate 2 LED’s. A green LED will be constantly “ON” when AC power is present. A red LED will flash once approximately every 30-40 seconds to indicate that the smoke alarm is operating properly and will flash rapidly when the unit is alarming and will remain so until the air temperature is reduced. The unit shall incorporate a test button. The test button shall test all the electronic circuitry, horn, and battery. The unit shall at a minimum meet the requirements of UL217, NFPA72, (chapter 10 & 11 2002 edition) The State of California Fire Marshall, NFPA101 (One and two family dwellings, Federal Housing Authority (FHA), Housing and Urban Development (HUD).