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The Business Lighting Experts

Kidde 120 Volt Wire In Heat Alarm With 9 Volt Battery Backup

SKU: HD135 | Ordering Code: HD135  | UPC: 025417841350

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The Kidde HD135F is a 120VAC Wire In Heat Alarm that responds to temperature rather than smoke and gives you and your family an early warning to dangerous temperatures of 135˚F or more. 

  • Interconnects with up to 24 Kidde devices of which 18 can be initiating.
  • Alarm will sound if temperatures reach 135° or more.
  • 9 volt battery backup provides continuous protection even during power outages.
  • 5 year limited warranty
  • UL Listed 
Full Specs




9 volt
Depth (in)
For fixtures and ballasts, depth is the measurement of total distance from front to back of the product in inches.
Diameter (in)
Light bulbs: a measurement of a bulb's width taken at the widest point of the bulb. Fixtures: the measurement across the widest point of a circular fixture.


5 year limited
Power Source
Battery powered, hard-wared, or plugs into outlet.
Hard Wired
Interconnects with other detectors so that if one goes off, all go off.
Test Button
Features a button for testing the alarm.
Humidity Range
The humidity range within which the detector will operate effectively.
5%-95% relative humidity (RH)
Temperature Range
The temperature range within which the detector will effectively operate.
-20F to 100F