Firehawk FHN450BB Mains Heat Alarm with Alkaline Battery Backup
The Firehawk FHN450BB is a 230V mains-powered heat alarm with battery backup. Ideal for kitchens, garages and unoccupied lofts, it comes with an alkaline battery backup (3 x AAA batteries, supplied) and is suitable for Grade D2 installations. Features Thermistor detection for improved sensor performance, controlled by bespoke software. This product has a 6-year manufacturer’s warranty (not including batteries).
Please Note: The FHN series alarms are not compatible with the older FH models.
Key Features
- Replaceable battery back-up (3 x AAA batteries included)
- Advanced Thermistor detection controlled by bespoke software
- Alarm silence button - ideal in non-emergency situations (nuisance alarms)
- RF compatible - fit an FHN600RF wireless module (sold separately) into the back of the alarm to connect up to 12 alarms (separate module is required for each alarm to interlink)
- Silence low battery chirp for up to 10 hours. Maintains continuous protection during sleeping hours
- Extra large test button
- ‘Fast fix’ mounting base
- Small and compact
- Remote control test/silence available (sold separately)
- Low energy usage (< 0.5w in standby mode)
- Suitable for use as part of a Grade D2 system
- Approved to BS 5446-2 : 2003
