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Optical Smoke Alarms

Optical smoke alarms, also called photoelectric smoke alarms, 'see' smoke. They have a quick response to visibly smouldering fires (e.g. from foam filled furniture & overheated PVC wiring). They are also particularly good in areas where you can otherwise expect false alarms (eg near kitchens). We recommend the use of optical alarms in living rooms, bedrooms and hallways.

Image of the Battery Powered Optical Smoke Alarm with Test Button - Kidde 29D

  • Battery powered - 9V alkaline battery
  • Test button feature
  • 5 year warranty
  • Suitable for BS 5839-6: 2013 Grade F installations
  • VdS approved and CE marked
£7.79 ex VAT
£9.35 inc VAT
Image of the Battery Powered Optical Smoke Alarm with Test and Hush Button - Kidde 29HD

  • Battery powered - 9V alkaline battery
  • Features test and hush buttons
  • 5 year warranty
  • Suitable for BS 5839-6: 2013 Grade F installations
  • VdS approved and CE marked
£9.79 ex VAT
£11.75 inc VAT
Image of the Carbon Monoxide and Smoke Combination Alarm - Kidde 10DS

  • 9V Battery operated (battery included)
  • Combined optical smoke sensor and carbon monoxide detector
  • Dual voice warning - depending on danger detected
  • 10 year warranty
  • 10 year sensor lifespan
NEW
£21.99 ex VAT
£26.39 inc VAT
Image of the Radio-Interlinked Battery Powered Optical Smoke Alarm - Ei3105RF

  • Battery powered - 9V alkaline battery
  • Wirelessly interconnects via radio frequency with up to 12 alarms
  • 5 year warranty
  • Suitable for BS 5839-6: 2013 Grade F installations
  • Kitemarked and CE marked
£40.99 ex VAT
£49.19 inc VAT
Image of the Radio-Interlinked Longlife Battery Powered Optical Smoke Alarm - Ei605TYCRF

  • Battery powered - 10 year longlife lithium battery
  • Wirelessly interconnects via radio frequency with up to 12 alarms
  • 5 year warranty
  • Suitable for BS 5839-6: 2013 Grade F installations
  • VdS approved and CE marked
From: £103.19 ex VAT
£123.83 inc VAT
Image of the Mains Powered Optical Smoke Alarm with Back-Up Battery - Kidde Firex KF2

  • 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: £19.39 ex VAT
£23.27 inc VAT
Image of the 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
NEW
£21.99 ex VAT
£26.39 inc VAT
Image of the Mains Powered Optical Smoke Alarm with 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: £22.99 ex VAT
£27.59 inc VAT
Image of the Mains Powered Optical Smoke Alarm with Longlife Back-Up Battery - Ei166RC

  • Mains powered - rechargeable longlife lithium 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: £36.39 ex VAT
£43.67 inc VAT
Image of the Mains Powered Optical Smoke and Heat Alarm with Longlife Back-Up Battery - Ei2110

  • Mains powered - rechargeable longlife lithium back-up battery
  • Interconnects via cable with up to 12 alarms
  • 5 year warranty
  • Multiple sensor elements - optical and heat in one alarm for optimum protection
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked
£48.59 ex VAT
£58.31 inc VAT
Image of the Mains Powered Radio-Interlinked Optical Smoke Alarm with Back-Up Battery - Kidde 2SFWRF

  • 9V alkaline or rechargeable longlife lithium back-up battery options
  • Wirelessly interconnects via radio frequency with up to 15 alarms
  • 10 year warranty
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked
NEW
From: £56.79 ex VAT
£68.15 inc VAT
Image of the Mains Powered Radio-Interlinked Optical Smoke Alarm with Back-Up Battery - Ei146

  • Mains powered - 9V alkaline back-up battery
  • Wirelessly interconnects via radio frequency with up to 12 alarms
  • 5 year warranty
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked
£65.79 ex VAT
£78.95 inc VAT
Image of the Mains Powered Radio-Interlinked Optical Smoke Alarm with Longlife Back-Up Battery - Ei166

  • Mains powered - rechargeable longlife lithium back-up battery
  • Wirelessly interconnects via radio frequency with up to 12 alarms
  • 5 year warranty
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked
£74.99 ex VAT
£89.99 inc VAT
Image of the Mains Powered Radio-Interlinked Optical Smoke and Heat Alarm with Longlife Back-Up Battery - Ei2110

  • Mains powered - rechargeable longlife lithium back-up battery
  • Wirelessly interconnects via radio frequency with up to 12 alarms
  • 5 year warranty
  • Multiple sensor elements - optical and heat in one alarm for optimum protection
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked
£85.19 ex VAT
£102.23 inc VAT
Image of the Mains Powered Optical Smoke Alarm with Longlife Back-Up Battery - Ei156 (Ei156TLH)

  • Mains powered - rechargeable longlife lithium back-up battery
  • Interconnects via cable with up to 12 alarms
  • 5 year warranty
  • Replacement detector hear kit available
  • Suitable for BS 5839-6: 2013 Grade D, E and F installations
  • Kitemarked and CE marked
From: £43.39 ex VAT
£52.07 inc VAT
Image of the Firetext SMS Smoke Alarm

  • Receive a text whenever your detector activates
  • Perfect for holiday homes, moored boats, remote houses
  • Detector conforms to BS EN14604
  • *Please note: the Firetext SMS smoke alarm is excluded from the 5 year warranty offer
  • Test button functionality
£72.59 ex VAT
£87.11 inc VAT

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Power Type

Standard Battery (Alkaline)
Longlife Battery (Lithium)
Mains Powered (230V)

Back-Up Battery Type

Standard Battery (Alkaline)
Longlife Battery (Lithium)

Interconnection

Wireless (RF)
Wired interconnection
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Detector Life

5 Years
6 Years
7 Years
10 Years

Sensor Type

Optical
Dual Sensor
Ionisation
Heat

British Standard Grade

Grade F Only
Grade D, E and F

Test and Hush Function

Test Button Only
Test and Hush Button

Special Features

Multi-Sensor technology
SMS Alert Technology

Alarm Brand

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Kidde
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Optical smoke alarms are sometimes called photo-electric smoke alarms. They are more recent than the ionisation smoke alarms and do not contain any radio-activity (in contrast to the ionisation smoke alarms).They are less prone to false alarms from burned toasts and can therefore be installed near kitchens (not in the kitchen). They are alos very good at detecting smouldering fires. We recommend them for bedrooms, lounges and the hallway.