10 Best Ei141 Smoke Alarm Replacement in the UK 2025

Updated on 17/07/2025
#1
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  • 230/240V AC mains-powered smoke alarm with included 9V battery backup.
  • Can interconnect with up to 20 other alarms for simultaneous alerts.
  • Features a built-in test and hush button, along with a memory function for activation history.
  • Includes a one-person test feature and low battery warning; compliant with BS EN14604:2005 standards.
  • Supports both hardwired interconnection and Aico radio wireless base compatibility.
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  • 230/240V AC mains-powered smoke alarm with included 9V battery backup.
  • Can interconnect with up to 20 other alarms for simultaneous alerts.
  • Features a built-in test and hush button, along with a memory function for activation history.
  • Includes a one-person test feature and low battery warning; compliant with BS EN14604:2005 standards.
  • Supports both hardwired interconnection and Aico radio wireless base compatibility.
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#2
Value for Money
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  • Set of 2 smoke alarms for enhanced coverage
  • Mains hard wired design for reliable power
  • Includes 9V battery backup for uninterrupted operation
  • Features a white finish that blends with decor
  • Provides essential fire safety for homes
  • Designed for easy installation and maintenance
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  • Set of 2 smoke alarms for enhanced coverage
  • Mains hard wired design for reliable power
  • Includes 9V battery backup for uninterrupted operation
  • Features a white finish that blends with decor
  • Provides essential fire safety for homes
  • Designed for easy installation and maintenance
#3
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  • Power supply via AC mains and backup through 9V alkaline battery.
  • Features Ei146e Optical Smoke Alarm technology.
  • Compatible with remote testing, location, and silencing.
  • Supports hardwired interconnection with other devices.
  • Detector model may differ.
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  • Power supply via AC mains and backup through 9V alkaline battery.
  • Features Ei146e Optical Smoke Alarm technology.
  • Compatible with remote testing, location, and silencing.
  • Supports hardwired interconnection with other devices.
  • Detector model may differ.
#4
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  • Operates on 230V mains with a 9V alkaline battery backup (included)
  • Includes an Easi-fit base for easy alarm head replacement
  • Features a loud 85dB(A) alarm at 3m with a built-in test/hush button
  • Interconnects with all Aico 230V smoke alarms
  • Incompatible with circuits that include a control switch
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  • Operates on 230V mains with a 9V alkaline battery backup (included)
  • Includes an Easi-fit base for easy alarm head replacement
  • Features a loud 85dB(A) alarm at 3m with a built-in test/hush button
  • Interconnects with all Aico 230V smoke alarms
  • Incompatible with circuits that include a control switch
#5
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  • AC mains power supply for continuous operation
  • 9V alkaline battery back-up for reliability during power outages
  • Includes 2 smoke alarms in one pack
  • Optical smoke detection technology for early fire warning
  • Designed for easy installation and maintenance
  • Ensures safety and peace of mind in your home
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  • AC mains power supply for continuous operation
  • 9V alkaline battery back-up for reliability during power outages
  • Includes 2 smoke alarms in one pack
  • Optical smoke detection technology for early fire warning
  • Designed for easy installation and maintenance
  • Ensures safety and peace of mind in your home
#6
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  • Heat sensor activates in response to high temperatures from significant flames
  • Triggers at a temperature of 58°C
  • Designed for easy installation with Easi-fit base
  • Incorporates RadioLINK technology for enhanced connectivity
  • Alerts user of low battery status
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  • Heat sensor activates in response to high temperatures from significant flames
  • Triggers at a temperature of 58°C
  • Designed for easy installation with Easi-fit base
  • Incorporates RadioLINK technology for enhanced connectivity
  • Alerts user of low battery status
#7
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  • Hardwired interconnectivity allowing connection of up to 12 alarms for enhanced reliability.
  • Powered by 120V with a 9V battery backup, lasting a minimum of 1 year for power outage resilience.
  • Features a silence button for quick response to false alarms.
  • Interconnected system allows simultaneous testing with a single button press during weekly checks.
  • Provides 10 years of reliable protection for continuous safety monitoring.
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  • Hardwired interconnectivity allowing connection of up to 12 alarms for enhanced reliability.
  • Powered by 120V with a 9V battery backup, lasting a minimum of 1 year for power outage resilience.
  • Features a silence button for quick response to false alarms.
  • Interconnected system allows simultaneous testing with a single button press during weekly checks.
  • Provides 10 years of reliable protection for continuous safety monitoring.
#8
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  • Heat sensor activates at 58°C, detecting flames quickly.
  • Powered by 230V AC with a backup 9V alkaline battery; easy installation with Easi-fit base.
  • Indicator lights: Green for power, Red for alarm or fault; test button checks thermistor and horn functionality.
  • Alarm sound reaches 85dB(A) at a distance of 3m; certified with Kitemark KM 83678.
  • Complies with BS EN14604:2005, BS 5446-2:2003, CE and UKCA standards.
  • Compact design with dimensions of 150mm diameter and 60mm depth.
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  • Heat sensor activates at 58°C, detecting flames quickly.
  • Powered by 230V AC with a backup 9V alkaline battery; easy installation with Easi-fit base.
  • Indicator lights: Green for power, Red for alarm or fault; test button checks thermistor and horn functionality.
  • Alarm sound reaches 85dB(A) at a distance of 3m; certified with Kitemark KM 83678.
  • Complies with BS EN14604:2005, BS 5446-2:2003, CE and UKCA standards.
  • Compact design with dimensions of 150mm diameter and 60mm depth.
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#9
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  • Aico ei144 Detector is designed for smoke detection in residential areas
  • Features a robust sensor for reliable smoke detection
  • Equipped with a test button for easy functionality check
  • Built with a low battery warning system
  • Complies with safety standards for home use
  • User-friendly installation process
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  • Aico ei144 Detector is designed for smoke detection in residential areas
  • Features a robust sensor for reliable smoke detection
  • Equipped with a test button for easy functionality check
  • Built with a low battery warning system
  • Complies with safety standards for home use
  • User-friendly installation process
#10
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  • High-performance optical sensor
  • Mains powered with a 10-year rechargeable lithium cell backup
  • Compatible with interconnection and monitoring technology
  • AudioLINK TM data extraction capability
  • Unique self-monitoring mechanism for dust compensation
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  • High-performance optical sensor
  • Mains powered with a 10-year rechargeable lithium cell backup
  • Compatible with interconnection and monitoring technology
  • AudioLINK TM data extraction capability
  • Unique self-monitoring mechanism for dust compensation
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