Best Mains Smoke Alarm of 2025
Last updated on 24/09/2025
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Best Choice
1
X-Sense Smoke Alarm for Home, 10-Year Battery Fire Alarm, LED Indicator & Silence Button, Smoke Detector Battery Operated, Conforms to EN 14604 Standard, SD11
X-Sense
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X-Sense
X-Sense Smoke Alarm for Home, 10-Year Battery Fire Alarm, LED Indicator & Silence Button, Smoke Detector Battery Operated, Conforms to EN 14604 Standard, SD11
45% OffFree Shipping
Why we love it
- Reliable and intelligent smoke detection.
- Incredible 10-year battery life.
- Superior, eco-friendly construction.
Main Highlights
- Sensitive & Intelligent: The state-of-the-art photoelectric sensor, combined with an advanced intelligent chipset, this smoke alarm for home can accurately detects dangerous smoke levels in seconds with fewer false alarms
- 10-Year Battery Life: The low power consumption enables an incredible product life of up to 10 years with the built-in lithium battery; provides reliable uninterrupted 24/7 protection so you can sleep safely
- Reliable Auto-Check: The fire alarm monitors itself constantly and timely informs you of faults or a low battery for secure use
- Superior Construction: Made of fire-retardant ABS plastic material; the long-lived smoke detector horn alerts you with a loud 85-decibel alarm when smoke has been detected
- High Quality: This premium smoke alarm conforms to EN 14604 standard
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Value for Money
2
Aico EI146e Set of 2 Mains Hard Wired Smoke Alarms with 9V Battery Back Up , White
Aico
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Aico
Aico EI146e Set of 2 Mains Hard Wired Smoke Alarms with 9V Battery Back Up , White
Why we love it
- Compelling gripping content.
- Quality production values.
- Exceptional cast performances.
Main Highlights
- e146rc/2
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3
Smoke Alarm, Interlinked Smoke and Heat Alarm Scotland Bundle, Pre-linked,10-Year Battery Life,Compliant with Scotland & England Law (2 Smoke + 1 Heat)
WISUALARM
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WISUALARM
Smoke Alarm, Interlinked Smoke and Heat Alarm Scotland Bundle, Pre-linked,10-Year Battery Life,Compliant with Scotland & England Law (2 Smoke + 1 Heat)
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Why we love it
- Assured highest safety standards compliance.
- Enjoy hassle-free setup process.
- Guarantees decade-long battery life.
Main Highlights
- 【Pre-Linked for Easy Setup】: No complicated installation required - simply power on, test, and fit in seconds! The bundle comes pre-linked for your convenience, making installation a breeze.
- 【10 Years Battery Life】: With a built-in 10-year lithium battery, you won't need to worry about frequent battery changes. Enjoy 24/7 protection, even during power cuts.
- 【Split-Spectrum Technology】: Utilizing the latest spilit spectrum technology, our smoke alarms are much more accurate and react faster than conventional sensors. Our heat alarms instantly activate when the ambient temperature exceeds the safe limit.
- 【Wireless Networked Alarms】：All alarms are designed to be wirelessly linked. If any single alarm triggers, every alarm will sound in unison, guaranteeing thorough protection for your home. Up to 24pcs alarms to be linked.
- 【Meeting Safety Regulations】：Our alarms adhere completely to the stringent safety standards required in Scotland and England, specifically BS EN14604:2005 and BS 5446-2:2003.
- 【 Simple Setup】：Thanks to the included adhesive pads and screws, you can install it quickly and without any fuss. There's no need for specialized tools or an electrician.
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4
Replacement Smoke Alarm for BRK 660MBX and 670MBX - easichange® SBBRKSM
easichange
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easichange
Replacement Smoke Alarm for BRK 660MBX and 670MBX - easichange® SBBRKSM
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Why we love it
- No DIY or electrician needed.
- Improves detection of slow fires.
- Includes free replacement tool.
Main Highlights
- The SBBRKSM easichange kit replaces the discontinued BRK 660MBX optical and 670MBX ionisation smoke alarms and fits onto your existing BRK twist-fit alarm baseplate so there's no need for any DIY or an electrician
- Kit Contents: SBBRKSM replacement optical smoke alarm head with pre-connected easichange adaptor, an easichange removal tool, a quick change guide, and the full alarm manual.
- Optical sensor technology improves on the detection of slow smouldering fires and reduces the chances of false activations. Hardwire interlink allows compatible easichange alarms to communicate over the same wiring as your old BRK alarms, so that all sound the alarm if one detects a fire.
- Single test/hush button for easy maintenance and silencing false alarms
- Supplied with FREE easichange replacement tool
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5
Kidde Firex KF Series Mains Powered Fire Alarms Kit (2 Smoke & 1 Heat) with Alkaline Back-up Battery
Kidde
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Kidde
Kidde Firex KF Series Mains Powered Fire Alarms Kit (2 Smoke & 1 Heat) with Alkaline Back-up Battery
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Why we love it
- Ideal for home-wide installation.
- Includes backup battery feature.
- Comes with manufacturer warranty.
Main Highlights
- Ideal for installation throughout the home. Smoke alarm: Living rooms, bedrooms, hallways, landings, near (but not in) the kitchen. Heat Alarm: Kitchens, garages, unconverted loft spaces
- Power: 230V mains powered with alkaline back-up battery
- Back-up Battery: 9V alkaline battery (included)
- Warranty: 6 year manufacturer's warranty
- CE marked and Kitemarked. Smoke Alarm: certified to BS EN 14604: 2005. Heat Alarm: certified to BS 5446-2. Suitable for installations complying to BS 5829-6 2019 Grade D2
- Smoke Alarm (H x D): 39 x 133mm. Heat Alarm (H x D) = 38 x 138mm
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6
Twin Pack Kidde Firex KF20 Mains Powered Optical Smoke Alarm with 9V Back Up Batteries | KF2 | 4973
Kidde
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Kidde
Twin Pack Kidde Firex KF20 Mains Powered Optical Smoke Alarm with 9V Back Up Batteries | KF2 | 4973
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Why we love it
- Interlinked network for safety.
- Reduced energy consumption.
- Tamper-resistant and durable.
Main Highlights
- Mains-powered optical smoke alarm that can be interlinked with up to 23 other Kidde mains alarms, be they ionisation, optical or heat. Once interlinked, the detection of the relevant danger by an individual unit will sound across all the connected alarms.
- Interlink with up to 23 Kidde Firex hard-wired alarms – all alarms sound if danger is detected
- Mains operation – 9V Alkaline back-up battery supplied as standard
- Reduced energy consumption – lower lifetime running costs (* compared to previous Firex alarms)
- Combined Test/HushTM button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms
- Dust compensation and bug screen – reduces nuisance alarms
- Alarm memory – identifies source unit within interconnecting network
- Auto reset after activation
- Tamper-resistant locking device prevents unauthorised removal without the use of a tool
- Warranty 6 years, BSI certified to BS EN14604:2005 and CE tested and certified to 0086-CPD-535595 15 EN14604:2005
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7
Wired Smoke Alarm, Interlinked Fire Alarm with LED Indicator and Silence Button, 10-Year Life Smoke Detector with 9V Battery Backup, Mains-powered, Conforms to EN14604 Standard, 2 Pack
Jemay
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Jemay
Wired Smoke Alarm, Interlinked Fire Alarm with LED Indicator and Silence Button, 10-Year Life Smoke Detector with 9V Battery Backup, Mains-powered, Conforms to EN14604 Standard, 2 Pack
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Why we love it
- Interconnections make testing simple.
- Battery backup ensures reliability.
- Silence mode minimizes disturbances.
Main Highlights
- HARDWIRED SMOKE DETECTOR - Hardwired interconnected smoke alarm, can connect up to 12 alarms. It is more precise and stable than wireless interconnection.
- INTERCONNECTION TEST - If the fire detectors are interconnected, you only need to press one test button during the weekly test, and the rest can be tested at the same time.
- 9V BATTERY BACKUP - The fire alarm is powered by a 120V power and a 9V backup battery. The alarm battary will last for at least 1 year, providing protection in the event of a power outage.
- SILENCE MODE - Worried about false positives? The smoke detector has a silence button, you can hold it down for five seconds to calm it.
- SIZE & CAPABILITY - 5” diameter x 1.6” depth, UL217 certified. Home fires start every 83 seconds, the fire detector can quickly identify the fire and allow the family to flee quickly.
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8
Aico Ei146e Optical Smoke Alarm AC mains power supply and 9V alkaline battery back-up.
Aico
3% Off
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Aico
Aico Ei146e Optical Smoke Alarm AC mains power supply and 9V alkaline battery back-up.
3% Off
Why we love it
- Reliable power supply options.
- Easy remote control features.
- Durable hardwire interconnect.
Main Highlights
- AC mains power supply and 9V alkaline battery back-up.
- Ei146e Optical Smoke Alarm
- Remote Test, Locate and Silence compatible
- Hardwire interconnect
- Detector may vary
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9
Deta 1163 Optical Smoke Alarm 240V with 9V Replaceable Battery Back Up (White)
DETA
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DETA
Deta 1163 Optical Smoke Alarm 240V with 9V Replaceable Battery Back Up (White)
Why we love it
- Reduced false alarms feature.
- Quick and easy installation.
- Dust contamination protection provided.
Main Highlights
- Optical (photoelectric) smoke alarm - less prone to false alarms. Alarm volume >89dB(A) @ 3m. Silence / hush button
- Power on / alarm status indication lights. Mains powered 220-240V AC 50Hz. Replaceable 9V PP3 battery back up (battery included)
- Push fit mounting base for quick and easy installation - no separate base required. Dust cover to prevent dust contamination during building works. Up to 12 alarms from same manufacturer / range can be linked together
- No radioactive content. Fitted gasket on back of base plate. Class II double insulated. Earth "park" terminal included in base. Manufactured to BS EN14604: 2005 / AC:2008. CE approved
- Dimensions: 140mm diamter x 60mm deep
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10
Andyssey GS517A Wired Smoke Alarm Mains powered, Interlinked Mains Smoke Detector 1 Year Replaceable Battery Back-up, Fire Alarm with Silence Button, EN 14604 Standard (2-PACK)
Andyssey
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Andyssey
Andyssey GS517A Wired Smoke Alarm Mains powered, Interlinked Mains Smoke Detector 1 Year Replaceable Battery Back-up, Fire Alarm with Silence Button, EN 14604 Standard (2-PACK)
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Why we love it
- Advanced fire hazard awareness.
- Comprehensive fire safety modes.
- Easy installation and operation.
Main Highlights
- Advanced Photoelectric Smoke Detection: This mains smoke alarm uses cutting-edge photoelectric technology to detect slow-smoldering fires with thick, black smoke, providing early warning for fire hazards that might otherwise go unnoticed.
- Reliable Power with Battery Backup: Operating on AC220~240V/50Hz power with a DC9V battery backup, this hard wired smoke alarm ensures continuous protection, even during power outages. It also alerts you when the battery is low, for added peace of mind.
- Silent and User-Friendly Features: Enjoy a hassle-free experience with easy installation, a convenient mute function, and a simple test mode for regular maintenance. The user-friendly design of GS517A hard wired smoke detectors ensures effortless operation and testing.
- Efficient Interconnection for Enhanced Safety: This smoke alarm system can be interconnected with up to 12 devices, providing synchronized alerts across multiple locations in your home, office, or building for comprehensive fire safety coverage.
- Meets Strict Safety Standards: Certified to EN14604:2005/AC-2008 standards, this mains fire alarm meets high-quality requirements for sensitivity, sound volume, and operational performance, ensuring reliable and accurate fire detection.
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