10 Best Ei141 Smoke Alarm Replacement in the UK 2025
Updated on 17/07/2025
#1
Recommended
Free Shipping
- 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.
Read More
- 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.
Read More
#2
Value for Money
Free Shipping
- 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
Read More
- 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
Free Shipping
- 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.
Read More
- 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
Free Shipping
- 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
Read More
- 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
Free Shipping
- 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
Read More
- 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
Free Shipping
- 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
Read More
- 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
Free Shipping
- 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.
Read More
- 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
3% Off
Free Shipping
- 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.
Read More
- 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.
Read More
#9
Free Shipping
- 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
Read More
- 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
Free Shipping
- 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
Read More
- 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
Hard Wired Interlinked Smoke Alarms
See All
Interlinked Smoke Alarms Sealed Battery
See All
Z Wave Smoke Detector Works With Ring
See All