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All Smoke Alarms

Our complete range of smoke and heat alarms offers a solution for every application. Whether you are looking for a basic battery powered alarm or a radio-interlinked alarm system we have an alarm that will meet your needs.

Image of the 9V Ionisation Smoke Alarm with Test Button - First Alert SA200BUK

9V Ionisation Smoke Alarm with Test Button - First Alert SA200BUK

  • 9V battery powered
  • Test button feature
  • Suitable for BS 5839-6: 2013 Grade F installations
  • 5 year warranty
  • Kitemarked and CE marked

This product has been temporarily discontinued. Please see our alternative products.

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Image of the 9V Ionisation Smoke Alarm with Test and Hush Button - First Alert SA300UK

9V Ionisation Smoke Alarm with Test and Hush Button - First Alert SA300UK

  • 9V battery powered
  • Test and hush button feature
  • Suitable for BS 5839-6: 2013 Grade F installations
  • 5 year warranty
  • Kitemarked and CE marked

7.49 ex VAT

8.99 inc VAT

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Image of the Optical Smoke Alarm with Test and Hush Button - First Alert SA700UK

Optical Smoke Alarm with Test and Hush Button - First Alert SA700UK

  • Alkaline battery powered
  • Test and hush button feature
  • Suitable for BS 5839-6: 2013 Grade F installations
  • 5 year warranty
  • Kitemarked and CE marked

7.99 ex VAT

9.59 inc VAT

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Image of the 9V Optical Smoke Alarm with Test and Hush Button - FireAngel SO-601

9V Optical Smoke Alarm with Test and Hush Button - FireAngel SO-601

  • Battery powered - 9V alkaline battery
  • Test and hush button feature
  • 5 year warranty
  • Suitable for BS 5839-6: 2013 Grade F installations
  • Tested to BS EN 14604 and CE marked

7.49 ex VAT

8.99 inc VAT

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Image of the Thermally Enhanced Optical Smoke Alarm - FireAngel ST-625

Thermally Enhanced Optical Smoke Alarm - FireAngel ST-625

  • Battery powered - AA alkaline batteries
  • Test, hush and "sleep-easy" feature
  • Combined smoke and heat alarm (Thermoptek)
  • Suitable for BS 5839-6: 2013 Grade F installations
  • Kitemarked and CE marked

9.69 ex VAT

11.63 inc VAT

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Image of the 10 Year Thermally Enhanced Optical Smoke Alarm - FireAngel ST-620

10 Year Thermally Enhanced Optical Smoke Alarm - FireAngel ST-620

  • Battery powered - 10 year sealed lithium battery
  • Combined smoke and heat alarm (Thermoptek)
  • Test and hush button feature
  • 10 year warranty
  • Suitable for BS 5839-6: 2013 Grade F installations
  • Kitemarked and CE marked

Save 10%

Now 8.99 ex VAT

10.79 inc VAT

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Image of the 10 Year Thermally Enhanced Optical Smoke Alarm - FireAngel ST-622

10 Year Thermally Enhanced Optical Smoke Alarm - FireAngel ST-622

  • Battery powered - 10 year sealed lithium battery
  • Combined smoke and heat alarm (Thermoptek)
  • Test, hush and "sleep-easy" feature
  • 10 year warranty
  • Suitable for BS 5839-6: 2013 Grade F installations
  • Kitemarked and CE marked

Save 27%

Now 9.15 ex VAT

10.98 inc VAT

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Image of the 10 Year Ionisation Smoke Alarm - FireAngel SI-610

10 Year Ionisation Smoke Alarm - FireAngel SI-610

  • Battery powered - 10 year sealed lithium battery
  • Test and hush button feature
  • Suitable for BS 5839-6: 2013 Grade F installations
  • Tested to BS EN 14604 and CE marked

10.99 ex VAT

13.19 inc VAT

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Image of the 9V Ionisation Smoke Alarm with Escape Light - FireAngel LSI-601

9V Ionisation Smoke Alarm with Escape Light - FireAngel LSI-601

  • Battery powered - 9V alkaline battery
  • Test/hush button and LED escape light feature
  • Suitable for BS 5839-6: 2013 Grade F installations
  • Tested to BS EN 14604 and CE marked

11.29 ex VAT

13.55 inc VAT

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Image of the 9V Heat Alarm - FireAngel HA300LFQ

9V Heat Alarm - FireAngel HA300LFQ

  • Battery powered - 5 year long life lithium battery
  • Test and hush button feature
  • 5 year warranty
  • Suitable for BS 5839-6: 2013 Grade F installations
  • Kitemarked and CE marked

14.49 ex VAT

17.39 inc VAT

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Image of the 10 Year Heat Alarm - FireAngel HT-630

10 Year Heat Alarm - FireAngel HT-630

  • Battery powered - 10 year sealed lithium battery
  • Test and hush button feature
  • 10 year warranty
  • Suitable for BS 5839-6: 2013 Grade F installations
  • Kitemarked and CE marked

19.99 ex VAT

23.99 inc VAT

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Image of the Mains Powered Ionisation Smoke Alarm with Alkaline Battery Back-up - BRK 670MBX

Mains Powered Ionisation Smoke Alarm with Alkaline Battery Back-up - BRK 670MBX

  • 230V mains powered with alkaline back-up battery
  • Test and hush button facility
  • Interconnectable with up to 12 alarms
  • 5 year manufacturer's warranty
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked

14.99 ex VAT

17.99 inc VAT

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Image of the Mains Powered Ionisation Smoke Alarm with Back-up Battery - Kidde Firex KF10

Mains Powered Ionisation Smoke Alarm with Back-up Battery - Kidde Firex KF10

  • Mains powered ionisation alarm 
  • Optional alkaline or rechargeable lithium back-up battery
  • Interconnectable with other Firex alarms
  • Neat slimline design

From: 14.79 ex VAT

17.75 inc VAT

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Image of the Mains Powered Ionisation Smoke Alarm with Back-up Battery - Kidde Slick 1SFW

Mains Powered Ionisation Smoke Alarm with Back-up Battery - Kidde Slick 1SFW

  • Mains powered ionisation smoke alarm
  • Optional alkaline or rechargeable lithium 10 year backup battery
  • Ionisation sensor technology
  • Interconnectable with other Kidde Slick alarms

From: 16.99 ex VAT

20.39 inc VAT

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Image of the Mains Powered  Ionisation Smoke Alarm with Alkaline Back-up Battery- Ei141

Mains Powered Ionisation Smoke Alarm with Alkaline Back-up Battery- Ei141

  • 230V mains powered with alkaline back-up battery
  • Test and hush buttons
  • Replacement detector head kits available
  • Made in Ireland by Ei Electronics
  • Interconnectable with up to 12 units
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked

From: 17.59 ex VAT

21.11 inc VAT

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Image of the Mains Powered Optical Smoke Alarm with Alkaline Back-up Battery - BRK 660MBX

Mains Powered Optical Smoke Alarm with Alkaline Back-up Battery - BRK 660MBX

  • 230V mains powered with alkaline back-up battery
  • Test and hush button facility
  • Interconnectable with up to 12 alarms
  • 5 year manufacturer's warranty
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked

19.99 ex VAT

23.99 inc VAT

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Image of the Mains Powered Optical Smoke Alarm with Back-Up Battery - Kidde Firex KF20

Mains Powered Optical Smoke Alarm with Back-Up Battery - Kidde Firex KF20

  • Mains powered - 9V alkaline or rechargeable longlife lithium back-up battery options
  • Interconnects via cable with up to 24 alarms
  • 6 year warranty
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked

From: 19.99 ex VAT

23.99 inc VAT

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Image of the Mains Powered Heat Alarm with Alkaline Back-up Battery - BRK 690MBX

Mains Powered Heat Alarm with Alkaline Back-up Battery - BRK 690MBX

  • 230V mains powered with alkaline back-up battery
  • Test button facility
  • Interconnectable with up to 12 alarms
  • 5 year manufacturer's warranty
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked

21.99 ex VAT

26.39 inc VAT

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Image of the Mains Powered Optical Smoke Alarm with Back-up Battery - Kidde Slick 2SFW

Mains Powered Optical Smoke Alarm with Back-up Battery - Kidde Slick 2SFW

  • Mains powered - 9V alkaline or rechargeable longlife lithium back-up battery options
  • Interconnects via cable with up to 24 alarms
  • 10 year warranty
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked

21.99 ex VAT

26.39 inc VAT

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Image of the Combined Optical Smoke and CO Alarm - FireAngel SCO5Q

Combined Optical Smoke and CO Alarm - FireAngel SCO5Q

  • Battery powered - alkaline batteries
  • Test and hush button feature
  • 7 year warranty
  • Combined optical smoke and CO alarm
  • Suitable for BS 5839-6: 2013 Grade F smoke alarm installations
  • CO alarm kitemarked to BS EN50291-1 (domestic use)
  • CE marked

21.99 ex VAT

26.39 inc VAT

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Image of the Mains Powered Optical Smoke Alarm with Alkaline Back-up Battery - Ei146

Mains Powered Optical Smoke Alarm with Alkaline Back-up Battery - Ei146

  • Mains powered - 9V alkaline back-up battery
  • Interconnects via cable with up to 12 alarms
  • 5 year warranty
  • Replacement detector head kit available
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked

From: 23.59 ex VAT

28.31 inc VAT

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Image of the Mains Powered Heat Alarm with Back-Up Battery - Kidde Firex KF30

Mains Powered Heat Alarm with Back-Up Battery - Kidde Firex KF30

  • 230V mains powered with optional alkaline or rechargeable lithium back-up battery versions
  • Test and hush buttons
  • Neat slimline design
  • Interconnectable with up to 24 units
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked

From: 23.99 ex VAT

28.79 inc VAT

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Image of the Combination 10 Year Carbon Monoxide and Smoke Detector - Kidde 10SCO

Combination 10 Year Carbon Monoxide and Smoke Detector - Kidde 10SCO

  • Battery operated (9V battery included)
  • Combination carbon monoxide and smoke detector with voice warnings
  • 10 year sensor life & 10 year warranty
  • Suitable for BS 5839-6: 2013 Grade F smoke alarm installations
  • CO alarm kitemarked to BS EN50291-1 (domestic use)
  • CE marked

22.59 ex VAT

27.11 inc VAT

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Image of the Mains Powered Ionisation Smoke Alarm with Lithium Back-up Battery - Ei161e

Mains Powered Ionisation Smoke Alarm with Lithium Back-up Battery - Ei161e

  • 230V mains powered with a 10 year re-chargeable lithium back-up battery
  • Made in Ireland by Ei Electronics
  • Interconnectable with up to 12 units
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked

From: 26.39 ex VAT

31.67 inc VAT

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Image of the Mains Powered Heat Alarm with Alkaline Back-up Battery - Ei144

Mains Powered Heat Alarm with Alkaline Back-up Battery - Ei144

  • 230V mains powered with alkaline back-up battery
  • Test and hush buttons
  • Replacement detector head kits available
  • Made in Ireland by Ei Electronics
  • Interconnectable with up to 12 units
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked

From: 28.99 ex VAT

34.79 inc VAT

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Image of the Mains Powered Heat Alarm with Back-up Battery- Kidde Slick 3SFW

Mains Powered Heat Alarm with Back-up Battery- Kidde Slick 3SFW

  • Mains powered heat alarm
  • Optional alkaline or rechargeable lithium 10 year backup battery
  • Thermistor sensor technology
  • Interconnectable with other Kidde Slick alarms

From: 29.19 ex VAT

35.03 inc VAT

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Image of the Mains Powered Thermally Enhanced Optical Smoke Alarm with Lithium Back-up Battery - FireAngel Pro ST-230

Mains Powered Thermally Enhanced Optical Smoke Alarm with Lithium Back-up Battery - FireAngel Pro ST-230

  • 230V mains powered with 10 year lithium back-up battery
  • Combined smoke and heat alarm (Thermoptek)
  • Interconnectable with up to 30 units
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked

33.99 ex VAT

40.79 inc VAT

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Mains Powered Alarms

Mains Powered Alarms

Mains powered smoke alarms are powered by the electrical circuit of a building, are interconnected and used mainly in residential new builds, rented accommodation and smaller commercial applications. They should always contain a backup battery to ensure that if a fire is started by an electrical fault which cuts the power supply the alarm will still detect the fire. These backup batteries can be of a replaceable type (eg alkaline) or of a sealed-in, re-chargeable type. The power supply, if retro-fitted, is usually taken from the nearest light fitting
Radio-interlinked Alarms

Radio-interlinked Alarms

These units have integrated RF senders and receivers. If one smoke alarm detects a fire it passes this information to all other alarms within the same group of alarms to raise the alarm in the entire building. Perfect for larger houses and smaller commercial applications. Some of the RF smoke alarms have sealed longlife batteries as the only power supply, making them an alternative to mains powered smoke alarms (Building Control might have to be asked for a clarification first)
Ionisation Alarms

Ionisation Alarms

Ionisation Smoke Alarms detect electrical property changes in the air. They are well suited for 'invisible' or fast flaming fires such as paper or wood fires. They are sadly also very sensitive to burnt toast, which is why they should not be installed near kitchens. As they contain a weak radioactive source, we do not recommend them for bedrooms or living rooms. They are, however, suitable for landings, as they will quickly detect any larger fire events downstairs or at the level of the landing.
Heat Alarms

Heat Alarms

Heat alarms, as the name suggests, measure temperature rather than detect smoke. They raise an alarm if the temperature rises above a certain point or if the temperature rises rapidly. They are suitable for kitchens and garages as they will not cause false alarms. It is important to know that they only cover small areas and a kitchen or garage might require several heat alarms for full cover.
Optical Alarms

Optical Alarms

Optical or photoelectric smoke alarms 'see' smoke when a very small permanent light beam within the alarm is affected by smoke. They are ideal for smouldering fires producing smoke rather than heat, such as burning soft furnishings and electrical equipment. They are less prone to false alarms from burnt toast, so can be used near kitchens (not in kitchens, though). We recommend them for hallways, dining rooms, living rooms, bedrooms.