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Mains Powered Heat Alarms

Mains Powered Heat Alarms

Mains Powered Heat Alarms Model (click for brochure)

  • FHN450BB(Alkaline Battery Back-up (3xAAA))
  • FHN450RB(Rechargeable Lithium Cell Back-up)

• ‘Fast fix’ mounting base
• RF compatible – fit an FHN600RF wireless module into the back of the alarm to connect to 12 alarms
• Thermister technology
• Small & compact
• Large test/silence button
• Remote control test/silence available
• Low energy usage (< 0.5w in standby mode)
• FHN450RB Grade D1 } BS 5446-2 : 2003 FHN450BB Grade D2

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Product Description

A mains-powered heat alarm is a fire detection device designed to identify significant increases in temperature, typically activating at around 58°C. Unlike smoke alarms, heat alarms are ideal for environments where smoke or steam may cause false alarms, such as kitchens, garages, and lofts. They are hardwired into a building’s electrical system and often feature a battery backup to ensure functionality during power outages. 

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