Mains Heat Alarm with Sealed Self-Charging Lithium Battery Backup - Firehawk FHN450RB
The Firehawk FHN450RB mains powered heat alarm features a sealed self-charging lithium back-up battery to ensure the occupants are still protected in the event of a mains power failure. developed specifically by Firehawk uses bespoke software to improve sensor performance. Heat alarms are suitable for kitchens, garages, lofts, and other areas where smoke sensors would suffer frequent nuisance alarms due to dust or fumes. The has discreet trunking entry for easy surface-mounted installation and retro-fitting.
- Heat sensor suitable for kitchens, garages, and lofts
- Power: 230V mains powered with back-up battery
- Back-up: 10 year sealed self-charging lithium battery
- Warranty: 10 year manufacturer's warranty
- Sealed lithium back-up battery is constantly recharged from mains power
- Hardwire interlink up to 12 FHN450 heat alarms and FHN250 smoke alarms in the same system
- Advanced Thermistor Detection improves sensor performance and reduces false alarms
- When one interlinked alarm detects a potential fire, all other alarms will sound
- Fast-Fix base provides easy installation as well as the ability to swap between smoke and heat alarms
- Large test and hush button – almost the entire face of the alarm
- Warning chirps to indicate end of life can be silenced for up to 10 hours
- Suitable for installations complying to Grade D1
- CE marked, UKCA marked, and Kitemarked to
Please Note: these FHN series alarms are not compatible with the older FH models.
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Review this product nowTechnical Data
| Product Code | FIFHN450RB |
|---|---|
| Brand | Firehawk |
| Back-Up Battery Type | Rechargeable Lithium |
| British Standard Grade | Grade D1: Mains Powered (10 year longlife backup) |
| Colour | White |
| Local Legislation | Scottish Legislation (2022) |
| Welsh Legislation (2022) | |
| Northern Ireland Legislation (2024) | |
| Approvals & Markings | CE Marked |
| UKCA Marked | |
| Compliance | BS 5446-2: 2003 |
| BS 5839-6 | |
| Connection | Wired |
| Display | LED Indicators |
| Environmental Suitability | Indoors |
| Fixing Options | Screws (included) |
| Installation Position | Ceiling |
| Material | Plastic |
| Maximum Number of Linked Devices | 12 Devices |
| Operating Temperature | 0°C To +40°C |
| Positioning | Garages |
| Kitchens | |
| Unconverted Loft Spaces | |
| Power Type | Mains Powered (230V) |
| Product Range | FireHawk FHN Series |
| Relative Humidity | Less Than 85% |
| Recyclable | Yes - Valpak's WEEE Distributor Take-back Scheme |
| Sensor Type | Heat |
| Sound Level | 85dB |
| Suitability | Home |
| Warning Type | Audible - Alarm Sounder |
| Warranty | 10 Years |
| Dimensions (Unit) |
|
| Weight | 152g |
| Datasheets |
Interlink
The table below shows all alarms which can interlink via cable with the Firehawk FHN450RB mains powered smoke alarm.
Please Note: these FHN series alarms are not compatible with the older FH models.
Mains-Powered Alarms
| Model | Description | Battery Backup | Interlink |
|---|---|---|---|
| FHN250BB | Mains Powered Optical Smoke Alarm | 3x AAA Alkaline (included) | Hardwire |
| FHN450BB | Mains Powered Heat Alarm | 3x AAA Alkaline (included) | Hardwire |
| FHN250RB | Mains Powered Optical Smoke Alarm | 10 Year Sealed Lithium | Hardwire |
| FHN450RB | Mains Powered Heat Alarm | 10 Year Sealed Lithium | Hardwire |