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Mains Powered Smoke Alarms & Heat Alarms with Alkaline Back-up Battery - FireAngel W1-R Series

Front view of fireangel mains powered optical smoke alarm alkaline battery backup showing test button and indicators
4.9 out of 5 stars

20+ In Stock

Estimated dispatch: Tomorrow
£21.71 inc VAT

£20.75 inc VAT

£17.29 ex VAT

Standard Delivery

Will usually be delivered in 2-3 working days

£4.20 inc VAT

Next Day Delivery

Will usually be delivered the next working day

£7.00 inc VAT

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.

  • Power: 230V mains powered with battery back-up
  • Backup Battery: 9V alkaline battery (included)
  • Warranty: 1 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 installations
  • Kitemarked to (optical smoke) and (heat)
  • Please note: Alarms sold separately
  • Compliant with Scottish 2022, Welsh Landlord 2022, and Northern Ireland Landlord 2024 legislation
Customer Reviews

Customer Reviews (24)

4.9 out of 5 stars

Reviews by Real Customers

All of our product reviews are written by real customers that have purchased this product from us and are published without modification.

Rating: 5 / 5

Reviewed by

N L

Published on

13th November 2025

Good product, easy to fit and use

I have used a number of these products and have been very happy with their quality and performance.

Applies to option(s): SW1-R Optical Smoke Alarm

Rating: 5 / 5

Reviewed by

S S

Published on

9th October 2024

Easy to install , works perfectly

Applies to option(s): SW1-R Optical Smoke Alarm

Rating: 5 / 5

Reviewed by

C C

Published on

2nd January 2024

seems fine so far

Applies to option(s): SW1-R Optical Smoke Alarm

Rating: 5 / 5

Reviewed by

C C

Published on

2nd January 2024

seems fine so far

Applies to option(s): SW1-R Optical Smoke Alarm

Rating: 5 / 5

Reviewed by

I S

Published on

27th November 2023

very satisfied

Applies to option(s): SW1-R Optical Smoke Alarm

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Technical Data

Technical Data

Product Code FASW1R
Brand FireAngel
Manufacturer's Part Number SW1-R
Back-Up Battery Type Alkaline
British Standard Grade Grade D2: Mains Powered (replaceable backup)
Colour White
Compliance BS EN 14604: 2005
BS 5839-6
Connection Wired
Display LED Indicators
Fixing Options Screws (included)
Installation Position Ceiling
Local Legislation Northern Ireland Legislation (2024)
Scottish Legislation (2022)
Welsh Legislation (2022)
Maximum Number of Linked Devices 12 Devices
Operating Temperature +5°C To +38°C
Positioning Bedrooms
Hallways
Living Rooms
Power Type Mains Powered (230V)
Recyclable Partially Recyclable
Relative Humidity 10% To 85%
Sensor Type Optical
Sound Level 85dB
Suitability Home
Warning Type Audible - Alarm Sounder
Warranty 5 Years
Dimensions (Unit)
  • Depth: 42mm
  • Diameter: 126mm
Weight 200g
Datasheets
Interlink

Interlink

The table below shows all the units that can interlink with the FireAngel W1-R alarms.

Model Number Type of unit Type of interlink
SW1-R Mains Powered Optical Smoke Alarm Hard-wire interlink
HW1-R Mains Powered Heat Alarm Hard-wire interlink
CW1-PF-T Mains Powered Carbon Monoxide Alarm Hard-wire interlink