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All Smoke Alarms

Whether you are looking for a battery powered smoke alarm, a radio-interlinked smoke alarm system or mains-powered smoke and heat alarms we have smoke detectors that will meet your needs. We offer Grade F and D smoke and heat alarms.

Page 1 (20 of 22 Products)
Image of the Battery Heat Alarm - UltraFire UBH1

Battery Heat Alarm - UltraFire UBH1

  • FREE delivery
  • Battery: AA alkaline batteries (included)
  • Warranty: 5 year warranty
  • Large test and hush button
  • Suitable for BS 5839-6: 2019 Grade F2 installations
  • Kitemarked to BS 5446-2: 2003
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4.8 out of 5 stars
1 unit

£10.19 inc VAT

£8.49 ex VAT

2+ units

£9.59 inc VAT

£7.99 ex VAT

5+ units

£8.99 inc VAT

£7.49 ex VAT

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Image of the Battery Smoke Alarms and Heat Alarm Home Essentials Kit - UltraFire UFUB1KIT

Battery Smoke Alarms and Heat Alarm Home Essentials Kit - UltraFire UFUB1KIT

  • FREE delivery
  • Battery: Alkaline batteries (included)
  • Warranty: 5 year warranty
  • Large test and hush button
  • 2 x optical smoke alarms and 1 x heat alarm included
  • Suitable for BS 5839-6: 2019 Grade F2 installations
  • CE marked
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Save 14%

Now: £23.99 inc VAT

£19.99 ex VAT

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Image of the Battery Heat Alarm - First Alert HA300

Battery Heat Alarm - First Alert HA300

  • Battery: 9V alkaline battery (included)
  • Warranty: 5 year warranty
  • Test and hush button feature
  • 85dB audible alarm upon activation
  • Suitable for BS 5839-6: 2019 Grade F2 installations
  • Certified to BS 5446-2:2003
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4.6 out of 5 stars
1 unit

£10.79 inc VAT

£8.99 ex VAT

2+ units

£10.55 inc VAT

£8.79 ex VAT

5+ units

£10.43 inc VAT

£8.69 ex VAT

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

10 Year Longlife Battery Heat Alarm - FireAngel HT-630

  • Battery: Built-in, lasts the lifetime of your alarm
  • Warranty: 1 year warranty
  • Test and hush button feature
  • Quick reaction to rapid rise in temperature
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Kitemarked to BS EN 14604:2005
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4.8 out of 5 stars
1 unit

£13.44 inc VAT

£11.20 ex VAT

2+ units

£13.20 inc VAT

£11.00 ex VAT

5+ units

£13.08 inc VAT

£10.90 ex VAT

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Image of the Radio-Interlinked Battery Powered Heat Alarm - UltraFire UBH1RF

Radio-Interlinked Battery Powered Heat Alarm - UltraFire UBH1RF

  • Battery: AA alkaline batteries (included)
  • Warranty: 5 year warranty
  • Large test and hush button
  • Wireless interlink up to 50 compatible alarms
  • Range of up to 35m in buildings
  • Suitable for BS 5839-6: 2019 Grade F2 installations
  • Certified to BS 5446-2:2003
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5 out of 5 stars

Save 20%

Now: £28.79 inc VAT

£23.99 ex VAT

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Image of the Radio-Interlinked Smoke Alarms and Heat Alarm Home Essentials Kit - UltraFire UFUB1RFKIT

Radio-Interlinked Smoke Alarms and Heat Alarm Home Essentials Kit - UltraFire UFUB1RFKIT

  • Battery powered with AA alkaline batteries
  • Warranty: 5 year warranty
  • Large test & hush button
  • Wirelessly interlink up to 50 UltraFire UB1RF series alarms
  • 2 x optical smoke alarms and 1 x heat alarm included
  • Suitable for BS 5839-6: 2019 Grade F2 installations
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5 out of 5 stars

Save 22%

Now: £83.99 inc VAT

£69.99 ex VAT

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Image of the 10 Year Longlife Battery Radio-Interlinked Heat Alarm - FireAngel Pro Connected FP1720W2-R

10 Year Longlife Battery Radio-Interlinked Heat Alarm - FireAngel Pro Connected FP1720W2-R

  • Battery: Built-in, lasts the lifetime of your alarm – GUARANTEED
  • Warranty: 1 year warranty
  • Can interlink with up to 50 Wi-Safe 2 compatible devices
  • Large central button for test, hush and locate
  • Range of up to 35m in buildings
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Kitemarked to BS 5446-2: 2003
  • Also suitable for the 2022 Scottish legislation
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4.6 out of 5 stars

£47.99 inc VAT

£39.99 ex VAT

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Image of the 10 Year Longlife Battery Radio-Interlinked Heat Alarm - Aico Ei603RF

10 Year Longlife Battery Radio-Interlinked Heat Alarm - Aico Ei603RF

  • Battery: Built-in, lasts the lifetime of your alarm
  • Warranty: 5 year warranty
  • Radio-interlinked heat alarm
  • Built-in RadioLINK+ repeater function
  • Self-tests every 16 seconds
  • Twist-on base design for simple installation
  • Suitable for BS 5839-6: 2019 Grade F1
  • Kitemarked to BS 5446-2: 2003
  • Also suitable for the 2022 Scottish legislation
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4.8 out of 5 stars

Save 33%

Now: £83.99 inc VAT

£69.99 ex VAT

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Image of the Mains Powered Heat Alarm with Alkaline Back-up Battery - FireAngel HW1-R

Mains Powered Heat Alarm with Alkaline Back-up Battery - FireAngel HW1-R

  • Power: 230V mains powered with back-up battery
  • Backup Battery: 9V alkaline battery
  • Warranty: 1 year warranty
  • Thermistor heat sensor measures the ambient temperature of the air
  • Interlinks with up to 12 FireAngel W1 mains powered alarms
  • Dedicated Test and Silence buttons
  • Suitable for BS 5839-6: 2019 Grade D2
  • Kitemarked to BS 5446-2:2003
  • Also suitable for the 2022 Scottish legislation
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5 out of 5 stars

Save 19%

Now: £14.89 inc VAT

£12.41 ex VAT

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

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

  • Power: 230V mains powered with back-up battery
  • Backup Battery: 9V alkaline backup battery (included)
  • Warranty: 5 year warranty backup
  • Test and hush buttons
  • Replacement detector head kits available
  • Interlinks with up to 12 units
  • Suitable for BS 5839-6: 2019 Grade D2
  • Kitemarked to BS 5446-2: 2003
  • Also suitable for the 2022 Scottish legislation
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4.7 out of 5 stars

£35.51 inc VAT

£29.59 ex VAT

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Image of the Mains Powered Combined Optical Smoke and Heat Alarm with Self-Charging 10 Year Back-up Battery - Aico Ei3024

Mains Powered Combined Optical Smoke and Heat Alarm with Self-Charging 10 Year Back-up Battery - Aico Ei3024

  • Power: 230V mains powered with lifetime back-up battery
  • Backup Battery: Self-charging battery
  • Warranty: 5 year warranty
  • Multi-sensor alarm containing both an optical and heat sensor
  • Hardwire interlink with up to 12 compatible devices
  • Extract real time data to your smart phone
  • Kitemarked to BS EN 14604: 2005 (smoke)
  • Kitemarked to BS 5446-2: 2003 (heat)
  • Also suitable for the 2022 Scottish legislation
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5 out of 5 stars

£58.79 inc VAT

£48.99 ex VAT

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Image of the Mains Radio-Interlinked Heat Alarm with Sealed Longlife Back-up Battery - FireAngel Pro Connected FP1740W2-R

Mains Radio-Interlinked Heat Alarm with Sealed Longlife Back-up Battery - FireAngel Pro Connected FP1740W2-R

  • Power: 230V mains powered with lifetime back-up battery
  • Back-up Battery: Built-in, lasts the lifetime of your alarm
  • Warranty: 1 year warranty
  • Can interlink with up to 50 Wi-Safe 2 compatible devices
  • Range of up to 35m in buildings
  • Suitable for BS 5839-6: 2019 Grade D1 installations
  • Kitemarked to EN 5446-2: 2003
  • Also suitable for the 2022 Scottish legislation
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5 out of 5 stars

£65.99 inc VAT

£54.99 ex VAT

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Image of the Mains Radio-Interlinked Heat Alarm with Alkaline Back-up Battery - Aico Ei144RF

Mains Radio-Interlinked Heat Alarm with Alkaline Back-up Battery - Aico Ei144RF

  • Power: 230V mains powered with back-up battery
  • Backup Battery: 9V alkaline back-up battery (included)
  • Warranty: 5 year warranty
  • Test and hush buttons
  • Made in Ireland by Ei Electronics
  • Wirelessly interlinks with up to 12 compatible units
  • Suitable for BS 5839-6: 2019 Grade D2
  • Kitemarked to BS 5446-2: 2003
  • Also suitable for the 2022 Scottish legislation
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5 out of 5 stars

£92.63 inc VAT

£77.19 ex VAT

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Image of the Mains Radio-Interlinked Combined Smoke and Heat Alarm with Self-Charging 10 Year Back-up Battery - Aico Ei3024RF

Mains Radio-Interlinked Combined Smoke and Heat Alarm with Self-Charging 10 Year Back-up Battery - Aico Ei3024RF

  • Power: 230V mains powered with back-up battery
  • Backup Battery: Self-charging battery
    • Warranty: 5 year warranty
    • Combined alarm: both an optical smoke, and heat sensor
    • Hybrid interlinking with up to 12 compatible devices
    • AudioLINK - extract real time data to your smart phone
    • Kitemarked to BS EN 14604: 2005 (smoke)
    • Kitemarked to BS 5446-2: 2003 (heat)
    • Also suitable for the 2022 Scottish legislation
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    5 out of 5 stars

    £106.78 inc VAT

    £88.98 ex VAT

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    Image of the LED Recessed Downlight with Heat Alarm - Lumi-Plugin

    LED Recessed Downlight with Heat Alarm - Lumi-Plugin

    The Lumi-Plugin downlight with heat alarm insert connects wirelessly to other smoke and heat alarms in the range. LED available in either cool or warm white.

    • Suitable for kitchens and areas with higher humidity
    • Replaceable LED for long life or simply a change of style
    • Heat alarm features 10 year rechargeable backup battery
    • Also suitable for the 2022 Scottish legislation
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    £91.19 inc VAT

    £75.99 ex VAT

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    Image of the Sona Stove Guard - SGEL-SN-1

    Sona Stove Guard - SGEL-SN-1

    • Designed to help PREVENT a cooker fire from starting
    • Intelligent heat sensor monitors cooker top temperature
    • Control unit cuts off the electricity supply to the cooker
    • Wireless radio-interlink between the heat sensor and the control unit
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    4.8 out of 5 stars

    £383.99 inc VAT

    £319.99 ex 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

    • Power: 230V mains powered with battery backup
    • Backup: Optional alkaline or self-charging lithium backup battery versions
    • Warranty: 6 year warranty
    • Test and hush buttons
    • Neat slimline design
    • Interlinks with up to 24 units
    • Suitable for BS 5839-6: 2019 Grade D1 or D2
    • Kitemarked to BS 5446-2: 2003
    • Also suitable for the 2022 Scottish legislation
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    4.6 out of 5 stars

    From: £28.79 inc VAT

    £23.99 ex VAT

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    Image of the Mains Powered Heat Alarm with Sealed Longlife Back-up Battery - FireAngel Pro HT-230

    Mains Powered Heat Alarm with Sealed Longlife Back-up Battery - FireAngel Pro HT-230

    • Power: 230V mains powered with lithium back-up battery
    • Lifetime Backup Battery: Built-in, lasts the lifetime of your alarm
    • Warranty: 1 year warranty
    • Easy to use test button
    • Interlinks with up to 30 units
    • Suitable for BS 5839-6: 2019 Grade D1
    • Kitemarked to BS 5446-2: 2003
    • Also suitable for the 2022 Scottish legislation
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    5 out of 5 stars

    Save 29%

    Now: £31.94 inc VAT

    £26.62 ex VAT

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    Image of the Mains Radio-Interlinked Heat Alarm with Sealed Longlife Back-up Battery - FireAngel Pro WHT-230

    Mains Radio-Interlinked Heat Alarm with Sealed Longlife Back-up Battery - FireAngel Pro WHT-230

    • Power: 230V mains powered with back-up battery
    • Backup: Built-in, lasts the lifetime of your alarm
    • Warranty: 1 year warranty
    • Test, hush and Sleep Easy™ function
    • Wireless interlinks via radio frequency with up to 50 alarms
    • Suitable for BS 5839-6: 2019 Grade D1
    • Kitemarked to BS 5446-2: 2003
    • Also suitable for the 2022 Scottish legislation
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    5 out of 5 stars

    £83.99 inc VAT

    £69.99 ex VAT

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    Image of the Radio-Interlink Sealed Battery 3 Smoke and 1 Heat Alarm Kit - Firehawk W Series

    Radio-Interlink Sealed Battery 3 Smoke and 1 Heat Alarm Kit - Firehawk W Series

    • Detector Battery: 10 year sealed lithium battery
    • Wireless Base Battery: 7 Year Sealed Lithium
    • Warranty: 7 year manufacturer's warranty
    • Easy expansion – Interlink up to 15 alarms
    • Also suitable for the 2022 Scottish legislation
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    4.7 out of 5 stars

    Save 10%

    Now: £145.00 inc VAT

    £120.83 ex VAT

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    Mains Powered Smoke Alarms

    Mains Powered Smoke Alarms

    Mains powered smoke alarms are powered by the electrical circuit of a building, are interconnected and are mainly used 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 (trickle charging). The power supply, if retro-fitted, is usually taken from the nearest light fitting.
    Radio-interlinked Smoke Alarms

    Radio-interlinked Smoke Alarms

    These smoke detectors 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 detectors (Building Control might have to be asked for a clarification first)
    Ionisation Smoke Detectors

    Ionisation Smoke Detectors

    Ionisation Smoke Alarms detect electrical property changes in the air. They are particularly 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 detectors for full cover.
    Optical Smoke Detectors

    Optical Smoke Detectors

    Optical or photoelectric smoke detectors '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 optical smoke alarms for hallways, dining rooms, living rooms, bedrooms.
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