Aico / Ei Electronics

Aico is one of the leading brands for domestic fire and carbon monoxide detection. It's the UK subsidiary of Ei Electronics, an Irish manufacturer that's been designing and making alarms in Shannon since 1963. All manufacturing stays in Shannon, and that tight control over production is a big part of why Aico products have such a strong reputation for reliability.

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We stock battery and mains smoke alarms, heat alarms and carbon monoxide detectors across the full Aico range. You'll find everything from standalone battery alarms to fully interlinked systems for larger properties. Hardwire up to 12 units, or connect wirelessly using Aico's RadioLINK+ technology with no extra cabling between units.

The Ei3000 series is Aico's current flagship. These are mains-powered alarms with self-charging sealed lithium back-up batteries built to last the full lifetime of the alarm. AudioLINK lets you pull real-time alarm data straight to your smartphone, so testing and maintenance is straightforward. Need a battery-only option? The Ei600 series offers 10-year sealed lithium alarms with built-in RadioLINK+ wireless interlinking, ideal for installations where running mains cabling isn't practical.

All Aico alarms are certified to the relevant British Standards and come with a manufacturer's warranty.

Browse our full smoke alarm range, or use the filters to find the right Aico model for your installation. Not sure which product you need? Get in touch by phone, email or live chat and we'll point you in the right direction.

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optical smoke alarm 10yr longlife shown from the front with circular white design and test push button visible

10 Year Longlife Battery Optical Smoke Alarm - Ei650

See Description...
  • Battery: Built-in lithium battery
  • Warranty: 5 year warranty
  • Test and hush buttons
  • Battery 'low' warning
  • LED power and function indicator
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Certified to EN 14604: 2005
4.5 out of 5 stars

£37.91 inc VAT

£31.59 ex VAT

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aico mains powered optical smoke alarm alkaline battery backup viewed from the front showing circular design and central test button

Mains Powered Optical Smoke Alarm with Alkaline Back-up Battery - Aico Ei146e

See Description...
  • Power: 230V mains powered with back-up battery
  • Backup Battery: 9V alkaline battery (included)
  • Warranty: 5 year warranty
  • Interlinks via cable with up to 12 alarms
  • Suitable for BS 5839-6: 2019 Grade D2
  • Kitemarked to BS EN 14604: 2005
  • Also suitable for both the Welsh and Scottish 2022 legislation
4.8 out of 5 stars

£38.75 inc VAT

£32.29 ex VAT

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Two round white Aico Ei140e series alarms with simple front panels, one with a smooth finish and one with a vented heat‑sensor grid.

Mains Powered Smoke Alarms & Heat Alarms with Alkaline Back-up Battery - Aico Ei140e Series

See Description...
  • 230V mains powered with alkaline back-up battery
  • Available in Optical and Heat versions (Ei146e, Ei144e)
  • Made in Ireland by Ei Electronics
  • Interlinks with up to 12 units
  • Kitemarked, CE marked and suitable for BS 5839-6: 2019 Grade D2 installations
  • Please note: Alarms are sold individually
  • Also suitable for both the Welsh and Scottish 2022 legislation
4.8 out of 5 stars

From: £38.75 inc VAT

£32.29 ex VAT

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Front view of aico mains powered heat alarm alkaline battery backup showing circular white device with central sensor and indicator slots

Mains Powered Heat Alarm with Alkaline Back-up Battery - Aico Ei144e

See Description...
  • Power: 230V mains powered with back-up battery
  • Backup Battery: 9V alkaline backup battery (included)
  • Warranty: 5 year warranty
  • Test and hush buttons
  • Interlinks with up to 12 units
  • Kitemarked to BS 5446-2: 2003
  • Also suitable for both the Welsh and Scottish 2022 legislation
4.9 out of 5 stars

£45.44 inc VAT

£37.87 ex VAT

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Front view of aico mains powered optical smoke alarm self charging 10 year battery backup in white casing

Mains Powered Optical Smoke Alarm with Self-Charging 10 Year Back-up Battery - Aico Ei3016

See Description...
  • Power: 230V mains powered with back-up battery
  • Backup Battery: Self-charging lifetime battery
  • Warranty: 5 year warranty
  • Mains powered optical smoke alarm
  • SmartLINK compatible when used with Ei3000MRF
  • Hardwire interlink with up to 12 compatible devices
  • Available in five variants
  • Kitemarked to BS EN 14604: 2005
  • Also suitable for both the Welsh and Scottish 2022 legislation
4.9 out of 5 stars

£56.63 inc VAT

£47.19 ex VAT

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Two round white Aico Ei3000 Series alarms, featuring circular test buttons and distinct vented sensor areas for smoke and heat detection.

Mains Powered Smoke Alarms & Heat Alarms with Self-Charging 10 Year Back-up Battery - Aico Ei3000 Series

See Description...
  • Available in Optical, Heat, Combined Optical & Heat, and Combined Heat & CO
  • Mains powered alarms with sealed lithium back-up battery
  • AudioLINK technology fitted as standard
  • Interlinks with up to 12 compatible devices
  • Compatible with Ei3000MRF SmartLINK Module for radio-interlinking
  • Suitable for BS 5839-6: 2019 Grade D1 installations
  • Also suitable for both the Welsh and Scottish 2022 legislation
4.9 out of 5 stars

From: £56.63 inc VAT

£47.19 ex VAT

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Front view of aico mains powered heat alarm self charging 10yr battery backup showing circular white design and central button

Mains Powered Heat Alarm with Self-Charging 10 Year Back-up Battery - Aico Ei3014

See Description...
  • Mains powered heat alarm with sealed lithium back-up battery
  • SmartLINK compatible when used with Ei3000MRF
  • Hardwire interlink with up to 12 compatible devices
  • Suitable for BS 5839-6: 2019 Grade D1 installations
  • Available in Optical, Carbon Monoxide, Heat & Carbon Monoxide and Optical & Heat
  • Also suitable for the 2022 Scottish legislation
4.9 out of 5 stars

£57.83 inc VAT

£48.19 ex VAT

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Front view of aico mains powered combined smoke heat alarm radio interlinked self charging with 10 year battery backup

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

See Description...
  • 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 both the Welsh and Scottish 2022 legislation
5 out of 5 stars

£72.23 inc VAT

£60.19 ex VAT

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Two round white Ei wireless RF smoke and heat alarms with minimalistic circular designs and central test buttons.

10 Year Sealed Lithium Battery Radio-Interlinked Optical Smoke Alarms & Heat Alarms - Aico Ei600 Series

See Description...
  • Battery operated - 10 year sealed lithium battery
  • Wireless radio-interlinked - can interlink with both mains and battery operated alarms
  • 10 year sealed lithium battery
  • Frequently accepted as alternative to mains powered alarms
  • Suitable for BS 5839-6: 2013 Grade F1 installations
  • Please note: alarms are sold individually
  • Also suitable for the 2022 Scottish legislation
4.7 out of 5 stars

From: £86.27 inc VAT

£71.89 ex VAT

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aico heat alarm device shown next to its product box with a red and white design

10 Year Longlife Battery Radio-Interlinked Heat Alarm - Aico Ei630iRF

See Description...
  • Battery: 10 year sealed lithium
  • Warranty: 5 year warranty
  • Heat alarm with intergrated radio-interlink
  • Built-in RadioLINK+ repeater function
  • Retrieve real-time data with the AudioLINK+ app
Customer Reviews

£86.27 inc VAT

£71.89 ex VAT

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ei optical smoke alarm with radio interlink shown next to its green and white packaging box

10 Year Longlife Battery Radio-Interlinked Smoke Alarm - Aico Ei650RF

See Description...
  • Battery: Built-in, lasts the lifetime of your alarm
  • Warranty: 5 year warranty
  • Wirelessly interlinks via radio frequency with up to 12 alarms
  • Twist-on base, simple to install
  • LED function indicators
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Certified to BS EN 14604: 2005
  • Also suitable for the 2022 Scottish legislation
4.7 out of 5 stars

£87.68 inc VAT

£73.07 ex VAT

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Front view of the aico combined mains powered combined heat carbon monoxide alarm with self charging 10 year battery backup

Mains Powered Combined Heat and Carbon Monoxide Alarm with Self-Charging 10 Year Back-up Battery - Aico Ei3028

See Description...
  • Product Lifespan: 10 years
  • Power: 230V mains powered with battery backup
  • Backup Battery: Re-chargeable lithium battery
  • Warranty: 5 year warranty
  • Hardwire interlink with up to 12 compatible devices
  • Compatible with Ei3000MRF SmartLINK module
  • Kitemarked to BS EN 50291-1: 2010 (CO gas)
  • Kitemarked to BS 5446-2: 2003 (heat)
  • Suitable for ceiling installation
  • Also suitable for both the Welsh and Scottish 2022 legislation
5 out of 5 stars

£90.23 inc VAT

£75.19 ex VAT

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ei mains powered with ei168rc radio interlink showing device base and packaging boxes on a white background

Mains Radio-Interlinked Optical Smoke Alarm with Alkaline Back-up Battery - Aico Ei146eRF

See Description...
  • Power: 230V mains powered with back-up battery
  • Backup Battery: 9V alkaline back-up battery (included)
  • Warranty: 5 year warranty
  • Wirelessly interlinks with up to 12 compatible alarms
  • Range: up to 30m within buildings
  • Suitable for BS 5839-6: 2019 Grade D2
  • Kitemarked to BS EN 14604: 2005
  • Also suitable for both the Welsh and Scottish 2022 legislation
4.8 out of 5 stars
£116.86 inc VAT

£105.91 inc VAT

£88.26 ex VAT

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Two round white Aico Ei140e series alarms with simple front panels, one with a smooth finish and one with a vented heat‑sensor grid.

Mains Radio-Interlink Smoke Alarms & Heat Alarms with Alkaline Back-up Battery - Aico Ei140eRF Series

See Description...
  • 230V mains powered with alkaline back-up battery
  • Available in Optical and Heat versions (Ei146eRF, Ei144eRF)
  • Interlinks via radio frequency with up to 12 units
  • Kitemarked, CE marked and suitable for BS 5839-6: 2019 Grade D2
  • All alarms also act as repeaters
  • Please note: alarms are sold individually
  • Also suitable for both the Welsh and Scottish 2022 legislation
4.8 out of 5 stars
£116.86 inc VAT

From: £105.91 inc VAT

£88.26 ex VAT

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Two round white Aico Ei3000 Series alarms, featuring circular test buttons and distinct vented sensor areas for smoke and heat detection.

Mains Radio-Interlink Smoke Alarms & Heat Alarms with Self-Charging 10 Year Back-up Battery - Aico Ei3000RF Series

See Description...
  • Available in Optical, Heat and Combined Optical and Heat
  • Mains powered alarms with tamper-proof lithium back-up batteries
  • Suitable for BS 5839-6: 2019 Grade D1 installations
  • Supplied with an Ei3000MRF SmartLINK Module for radio-interlinking
  • Hybrid (wired or wireless) interlinking with up to 12 compatible devices
  • Please note: alarms are sold individually
  • Also suitable for both the Welsh and Scottish 2022 legislation
4.8 out of 5 stars
£123.22 inc VAT

From: £112.27 inc VAT

£93.56 ex VAT

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ei3000mrf ei main powered smoke alarm and smartlink module with packaging boxes and the smoke alarm device displayed

Mains Radio-Interlinked Optical Smoke Alarm with Self-Charging 10 Year Back-up Battery - Aico Ei3016RF

See Description...
  • Power: 230V mains powered with back-up battery
  • Backup Battery: Self-charging battery
  • Warranty: 5 year warranty
  • Supplied with Ei3000MRF SmartLINK module
  • Radio-interlink with up to 12 devices
  • Extract real time data to their smart phone
  • CE and Kitemarked to BS EN 14604: 2005
  • Also suitable for both the Welsh and Scottish 2022 legislation
4.7 out of 5 stars
£123.22 inc VAT

£112.27 inc VAT

£93.56 ex VAT

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ei mains powered with ei168rc radio interlink showing alarm base and boxes with product packaging visible

Mains Radio-Interlinked Heat Alarm with Alkaline Back-up Battery - Aico Ei144eRF

See Description...
  • 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 both the Welsh and Scottish 2022 legislation
5 out of 5 stars
£123.55 inc VAT

£112.34 inc VAT

£93.62 ex VAT

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aico mains powered 2 smoke alarms and 1 heat alarm alkaline battery backup shown in a group view

Mains Powered 2 Smoke Alarms and 1 Heat Alarm Kit with Alkaline Back-up Battery - Aico Ei140e Series

See Description...
  • Power: 230V mains powered with alkaline back-up battery
  • Warranty: 5 year warranty
  • 2 x optical smoke alarms and 1 x heat alarm included
  • Test and hush buttons
  • Hardwire interlink with up to 12 devices
  • Suitable for BS 5839-6: 2019 Grade D2 installations
  • Compliant with Scottish 2022, Welsh Landlord 2022, and Northern Ireland Landlord 2024 legislation
Customer Reviews

£122.94 inc VAT

£102.45 ex VAT

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