The HD135 is designed to detect heat that results from an actual fire. The HD135 heat alarm is for use as a warning device in residential applications, including but not limited to homes, apartments, hotels and motels, in compliance with ANSI/UL 539, applicable IBC/IFC/IRC Standards and NFPA 72.
Standard Features:
- HD135 is 120VAC with 9V battery back-up
- HD135-223 is 220VAC with 9V battery back-up
- Low or missing battery indicator
- 9V battery shipped with product
- 135ºF fixed temperature
- Horn frequency 3100Hz
- 90 decibel, temporal 3 evacuation audible alarm
- Tandem interconnect capabilities
- Solid state LED condition indictor
- Quick disconnect wiring harness
- Mounting hardware adapts to standard junction boxes
- Features on site washing program