Mains Powered Heat Alarm (Rechargeable battery back-up)


Mains powered heat alarm with rechargeable battery back-up.

  • Advanced Thermistor Detection controlled by bespoke software.
  • Using Push-Fit Connectors and our detachable detector head, our Fast-Fix design allows fast and trouble free installation.
  • Alarm Silence Button ideal in non-emergency situations (nuisance alarms)
  • Silence Low Battery Warning for up to 10 hours. Maintains continuous protection during sleeping hours
  • Extra large Test Button for ease of use
  • Interlinkable to up to 14 other FH250 smoke or FH450 heat alarms
  • Green led indicates power, constantly flashing red led indicates alarm condition
  • Operation voltage: 230v AC 11w



SKU: FH450RB Category: Tags: , ,
Additional Information
Weight 2.11 kg
Dimensions 113 × 69 cm
Master pack



10 Years


BS 5446-2: 2003 KM 579552