Mains Powered Heat Alarm with Alkaline Back-up Battery – FireAngel W1-R Series


  • Power: 230V mains powered with battery back-up
  • Backup Battery: 9V alkaline battery (included)
  • Warranty: 5 year warranty
  • Available in Optical Smoke and Heat detector versions:
    • SW1-R Optical Smoke Alarm: ideal for hallways, landings, bedrooms, living rooms, and home offices
    • HW1-R Heat Alarm: ideal for kitchens, attics, and garages
  • Up to 12 alarms can be hard-wire interlinked within a single system
  • Easily perform weekly tests at the push of a button
  • Uses the latest detection technologies to reduce nuisance alarms
  • Can also be interlinked with the CW1-PF-T mains powered carbon monoxide alarm
  • Integrated ‘safety clip’ feature prevents them from being fitted without a battery
  • Large silence button central to the alarm
  • Suitable for BS 5839-6: 2019 Grade D2 installations
  • Kitemarked to BS EN 5446-2
  • This alarm is also suitable for the updated 2021 Scottish legislation for fire alarms in homes

Out of stock

The FireAngel W1-R series of alarms are available as either a heat or optical smoke alarm, both of which are mains powered with a replaceable 9V back-up battery. Both alarms feature a large, central silence button which also acts as a test button the SW1-R optical smoke alarm while the HW1-R heat alarm has a separate button for testing. Up to 12 W1-R and W1-PF series alarms can be interlinked together via a dedicated cable, including the CW1-PF-T mains powered carbon monoxide alarm, to provide full coverage and reliable warning of possible danger throughout the premises. These alarms also feature a ‘safety clip’ which prevents them from being installed without a battery, to ensure there is a back-up in case of a mains power failure.

Brand FireAngel
Back-Up Battery 9V PP3 Alkaline or Zinc Carbon
Dimensions (HxDia) SW1-R Optical: 42x126mm

HW1-R Heat: 49x126mm

Operating Temperature +5 °C to +38 °C
Sound Output 85dB
Weight 0.20kg


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