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Ionisation Smoke Alarms

A comprehensive range of battery operated as well as mains powered smoke alarms using ionisation technology. Ionisation smoke alarms are very effective for detecting fast-flaming fire. We recommend ionisation smoke detectors for landings and office spaces. For areas prone to false alarms, use optical smoke alarms.

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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

  • Power: 230V mains powered with back-up battery
  • Backup Battery: 9V alkaline battery (included)
  • Warranty: 5 year manufacturer's warranty
  • Test and hush button facility
  • Interlink up to 12 alarms
  • Suitable for BS 5839-6: 2019 Grade D2
  • Kitemarked to BS EN 14604: 2005
  • Also suitable for the 2022 Scottish legislation
59 Customer Reviews

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Now: £11.99 inc VAT

£9.99 ex 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

  • Power: Mains powered ionisation alarm with battery backup
  • Backup Battery: Alkaline or self-charging lithium backup battery
  • Warranty: 6 year warranty
  • Interlinks with up to 24 other Firex alarms
  • Combined Test / Hush button
  • Neat slimline design
  • Certified to BS EN 14604: 2005
  • Also suitable for the 2022 Scottish legislation
42 Customer Reviews

From: £17.75 inc VAT

£14.79 ex 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

  • Power: 230V mains powered with battery backup
  • Backup Battery: Alkaline or self-charging lithium backup battery options
  • Warranty: 6 year warranty on alkaline, 10 year warranty on lithium
  • Ionisation sensor technology
  • Interlinks with other Kidde Slick alarms
  • Fully conforming to BS 5839-6: 2019 Grade D1 or D2
  • Kitemarked to BS EN 14604: 2005
  • Also suitable for the 2022 Scottish legislation
12 Customer Reviews

From: £20.39 inc VAT

£16.99 ex VAT

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

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

  • Power: 230V mains powered with back-up battery
  • Backup Battery: 9V alkaline backup battery (included)
  • Warranty: 5 year warranty
  • 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 EN 14604:2005
  • Also suitable for the 2022 Scottish legislation
95 Customer Reviews

£22.79 inc VAT

£18.99 ex VAT

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Image of the Mains Powered Ionisation Smoke Alarm with Self-Charging 10 Year Back-up Battery - BRK 770MRL

Mains Powered Ionisation Smoke Alarm with Self-Charging 10 Year Back-up Battery - BRK 770MRL

  • Power: 230V mains powered with self-charging lifetime back-up battery
  • Backup Battery: Re-chargeable sealed battery
    • Lasts the lifetime of your alarm - GUARANTEED
  • Warranty: 5 year warranty
  • Test and hush button facility
  • Interlinks with up to 12 alarms
  • Suitable for BS 5839-6: 2019 Grade D1
  • Kitemarked to BS EN 14604:2005
  • Also suitable for the 2022 Scottish legislation
4 Customer Reviews

£31.19 inc VAT

£25.99 ex VAT

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Image of the Mains Radio-Interlinked Ionisation Smoke Alarm with Alkaline Back-up Battery - Aico Ei141RF

Mains Radio-Interlinked Ionisation Smoke Alarm with Alkaline Back-up Battery - Aico Ei141RF

  • Power: 230V mains powered with back-up battery
  • Backup Battery: 9V alkaline backup 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 BS EN 14604: 2005
  • Also suitable for the 2022 Scottish legislation
1 Customer Reviews

£71.75 inc VAT

£59.79 ex VAT

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Image of the Mains Radio-Interlinked Ionisation Alarm with Battery - Kidde Slick 1SFWRF

Mains Radio-Interlinked Ionisation Alarm with Battery - Kidde Slick 1SFWRF

  • Power: 230V mains powered with battery backup
  • Backup Battery: Alkaline or self-charging lithium backup battery versions
  • Warranty: 6 year warranty on alkaline, 10 year warranty on lithium
  • Interlinks via radio frequency with up to 15 units
  • All alarms also act as repeaters
  • Suitable for BS 5839-6: 2019 Grade D1 or D2
  • Kitemarked with BS EN 14604: 2005
  • Also suitable for the 2022 Scottish legislation
4 Customer Reviews

From: £63.83 inc VAT

£53.19 ex VAT

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Image of the Replacement for FireAngel SI-610 10 Year Smoke Alarm

Replacement for FireAngel SI-610 10 Year Smoke Alarm

  • FREE delivery
  • Battery: Built-in, lasts the lifetime of your alarm - GUARANTEED
  • Warranty: 5 year warranty
  • Test and hush button feature
  • Toast proof sensor - less prone to false alarms
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Kitemarked to BS EN 14604: 2005
203 Customer Reviews

£12.90 inc VAT

£10.75 ex VAT

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Ionisation Smoke Alarms

Ionisation Smoke Alarms

Some of the first smoke detectors produced, ionisation smoke alarms contain a weak radio-active source and react very quickly to fast flaming fires and any traces of smoke. While suitable for most rooms, we recommend ionisation smoke alarms for installation on landings. These alarms are not suitable for installation near kitchens or bathrooms as cooking fumes and steam can cause false alarms. For these locations it is recommended to install optical smoke detectors, which are less prone to false alarms.
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