Linear Heat Detector

The Kidde AlarmLine Linear Heat Detector provides early detection of fire or overheating conditions by detecting changes in temperature in localized areas or over its entire length.  It is suitable for virtually all environments; dusty, hazardous, vibrating, even inaccessible.  The AlarmLine Heat Detector is especially suited for applications where ambient conditions prohibit the use of traditional spot-type smoke, flame or heat detectors.

AlarmLine offers a rapid response to both localized fires and wide area overheating. It is easy-to-install, yet rugged, with coatings of fire-retardant polymer, extruded nylon or braided metal. AlarmLine offers extreme flexibility and has practically an unlimited amount of possible configurations.  Linear Heat Sensor Cable can be wrapped around machinery or arrayed across a ceiling. It can fit into small spaces or be run across wide spaces.


  • Open area protection
  • Cable trays
  • Rack storage
  • Freezer warehouses
  • Belt conveyers
  • Floating roof fuel tanks
  • Cooling towers
  • Dust collectors
  • Waste fuel drum storage
  • Power distribution apparatus
  • Escalators 
 Standard Features
  • Field adjustable: Alarm setpoint may be programmed to meet specific system requirements.
  • Restorable: Cable does not need to be replaced after an alarm event up to 257°F (125°C).
  • Integrating: It is not necessary to reduce sensor spacing with increased ceiling height per NFPA 72, Section 5- Exception (1). System sensitivity remains constant as ceiling height increases without reducing the spacing.
  • Short circuit: The system will produce a trouble condition instead of a false alarm in the event of a conductor to con- ductor short due to damage or electrical faults. 
  • Agency Listings: UL, FM


Linear Heat Detector
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  • Item #: EZ-LHS
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Price $1,850.00