BRK HD6135FB Heat Alarm,135° Fixed and Rate of Rise, 120V AC, 60Hz Wire-in, Rate-of-Rise, with 9V Battery Backup

Protect facilities and critical spaces with the BRK Electronics HD6135FB heat alarm — engineered for dependable fire detection where smoke sensing falls short. This 135°F fixed-temperature and rate-of-rise heat detector delivers fast response to both gradual heat build-up and sudden temperature spikes, making it ideal for kitchens, garages, commercial kitchens, mechanical rooms, and industrial environments. The unit is hardwired to 120V AC for continuous operation and includes a 9V battery backup to maintain audible protection during outages. With an 85 dB audible alarm, a latching indicator that remembers the initiating device, and two user-friendly silence options, the HD6135FB minimizes downtime and simplifies maintenance for security, fire monitoring, and surveillance systems. UL 539 listed and backed by a 10-year limited warranty, this ceiling- or wall-mount heat detector integrates seamlessly into wired safety networks for dependable performance. Add the BRK HD6135FB to your alarm strategy for robust fire detection and uninterrupted monitoring — perfect for contractors, facility managers, and integrators.

• Fast, reliable fire detection with 135°F fixed-temperature plus rate-of-rise sensing to catch both smoldering and rapid-growth fires
• Hardwired 120V AC design with 9V battery backup ensures continuous monitoring during power loss for commercial and residential systems
• Latching alarm indicator quickly identifies which unit initiated an event, simplifying troubleshooting and response
• Dual silence options reduce nuisance interruptions: temporarily silence false alarms or mute low-battery chirps for up to 8 hours
• UL 539 listing and a 10-year limited warranty provide code-compliant performance and long-term peace of mind