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Firex smoke alarms Deals in the UK

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14 deals found

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Deals are available from 1 stores and 2 brands. An additional discount is available for 13 items. Last updated on 23 September 2025.
3PCS 2-in-1 Carbon Monoxide And Smoke Detector Alarm Electrochemical Sensor 85db LCD CO Alarm Smoke Alarm for Home Hotel Safety
53% Off
3PCS 2-in-1 Carbon Monoxide And Smoke Detector Alarm Electrochemical Sensor 85db LCD CO Alarm Smoke Alarm for Home Hotel Safety
3PCS 2-in-1 Carbon Monoxide And Smoke Detector Alarm Electrochemical Sensor 85db LCD CO Alarm Smoke Alarm for Home Hotel Safety
New
£29.98
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2-in-1 Carbon Monoxide And Smoke Detector Alarm 85db High Precision LCD Digital Display Sensitive CO Alarm for Home Hotel Safety
2-in-1 Carbon Monoxide And Smoke Detector Alarm 85db High Precision LCD Digital Display Sensitive CO Alarm for Home Hotel Safety
2-in-1 Carbon Monoxide And Smoke Detector Alarm 85db High Precision LCD Digital Display Sensitive CO Alarm for Home Hotel Safety
New
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KERUI 4G WiFi GSM Wireless Home Alarm Kit Tuya Smart Alarm System W204 for Home Security With Motion Sensor Smoke Detector Siren
53% Off
KERUI 4G WiFi GSM Wireless Home Alarm Kit Tuya Smart Alarm System W204 for Home Security With Motion Sensor Smoke Detector Siren
KERUI 4G WiFi GSM Wireless Home Alarm Kit Tuya Smart Alarm System W204 for Home Security With Motion Sensor Smoke Detector Siren
New
£10.19
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2025New 9V 9800mAh Lithium ion Rechargeable Battery Long Lasting Li-ion Batteries with Cable for Smoke Detector Microphone Alarm
54% Off
2025New 9V 9800mAh Lithium ion Rechargeable Battery Long Lasting Li-ion Batteries with Cable for Smoke Detector Microphone Alarm
2025New 9V 9800mAh Lithium ion Rechargeable Battery Long Lasting Li-ion Batteries with Cable for Smoke Detector Microphone Alarm
New
£3.94
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2024 NEW 100% New 3800mah 1.5V AAA Alkaline Battery Rechargeable Battery for Remote Control Toy Batery Smoke Alarm with Charger
50% Off
2024 NEW 100% New 3800mah 1.5V AAA Alkaline Battery Rechargeable Battery for Remote Control Toy Batery Smoke Alarm with Charger
2024 NEW 100% New 3800mah 1.5V AAA Alkaline Battery Rechargeable Battery for Remote Control Toy Batery Smoke Alarm with Charger
New
£10.11
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Panasonic 9V 6F22 Alkaline Batteries-Mercury Free,Long Life for Alarm,Wireless Microphone,Smoke Detector,High Performance
45% Off
Panasonic 9V 6F22 Alkaline Batteries-Mercury Free,Long Life for Alarm,Wireless Microphone,Smoke Detector,High Performance
Panasonic 9V 6F22 Alkaline Batteries-Mercury Free,Long Life for Alarm,Wireless Microphone,Smoke Detector,High Performance
New
£6.22
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EVE CR17335 3V Non-Rechargeable Lithium Battery For PLC CNC Machine Tool Servo Robot Controller GPS Locator Smoke Fire Alarm
20% Off
EVE CR17335 3V Non-Rechargeable Lithium Battery For PLC CNC Machine Tool Servo Robot Controller GPS Locator Smoke Fire Alarm
EVE CR17335 3V Non-Rechargeable Lithium Battery For PLC CNC Machine Tool Servo Robot Controller GPS Locator Smoke Fire Alarm
New
£3.04
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Soshine 3.2V 300mAh LiFePo4 Battery and Charger CR2 Rechargeable Battery for Rangefinders Telescopes Electric Toys Smoke Alarms
28% Off
Soshine 3.2V 300mAh LiFePo4 Battery and Charger CR2 Rechargeable Battery for Rangefinders Telescopes Electric Toys Smoke Alarms
Soshine 3.2V 300mAh LiFePo4 Battery and Charger CR2 Rechargeable Battery for Rangefinders Telescopes Electric Toys Smoke Alarms
New
£14.43
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HEIMAN Zigbee 3.0 Fire alarm Smoke detector Smart Home system 2.4GHz High sensitivity Safety prevention Sensor Free Shipping
68% Off
HEIMAN Zigbee 3.0 Fire alarm Smoke detector Smart Home system 2.4GHz High sensitivity Safety prevention Sensor Free Shipping
HEIMAN Zigbee 3.0 Fire alarm Smoke detector Smart Home system 2.4GHz High sensitivity Safety prevention Sensor Free Shipping
New
£69.03
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16340 3.7V 700mAh Rechargeable Lithium Battery with Connector Wires CR123A USB Cable for Camera Smoke alarm Gps tracker Doorbell
35% Off
16340 3.7V 700mAh Rechargeable Lithium Battery with Connector Wires CR123A USB Cable for Camera Smoke alarm Gps tracker Doorbell
16340 3.7V 700mAh Rechargeable Lithium Battery with Connector Wires CR123A USB Cable for Camera Smoke alarm Gps tracker Doorbell
New
£11.68
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9800mAh 9V Rechargeable Battery for Smoke Alarm, Mic, Guitar Pedal, Wireless Device, High Power with USB-C Fast Charging Cable
40% Off
9800mAh 9V Rechargeable Battery for Smoke Alarm, Mic, Guitar Pedal, Wireless Device, High Power with USB-C Fast Charging Cable
9800mAh 9V Rechargeable Battery for Smoke Alarm, Mic, Guitar Pedal, Wireless Device, High Power with USB-C Fast Charging Cable
New
£3.97
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6F22 9V Disposable Alkaline Batteries 1100mAh Dry Cell for Microphone Multimeter Toy Smoke Alarm Walkie Talkie Backup Battery
52% Off
6F22 9V Disposable Alkaline Batteries 1100mAh Dry Cell for Microphone Multimeter Toy Smoke Alarm Walkie Talkie Backup Battery
6F22 9V Disposable Alkaline Batteries 1100mAh Dry Cell for Microphone Multimeter Toy Smoke Alarm Walkie Talkie Backup Battery
New
£6.7
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HEIMAN Zigbee 3.0 Fire alarm Smoke detector Smart Home system 2.4GHz High sensitivity Safety prevention Sensor Free Shipping
38% Off
HEIMAN Zigbee 3.0 Fire alarm Smoke detector Smart Home system 2.4GHz High sensitivity Safety prevention Sensor Free Shipping
HEIMAN Zigbee 3.0 Fire alarm Smoke detector Smart Home system 2.4GHz High sensitivity Safety prevention Sensor Free Shipping
New
£35.79
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9V Lithium Battery 12800Mah Large Capacity Usb-C Fast Charging Red and White Warning Design Suitable for Smoke Alarm Multimeter Anti-Leakage and Explosion-Proof Recyclable Charging Ultra-Long Battery
5% Off
9V Lithium Battery 12800Mah Large Capacity Usb-C Fast Charging Red and White Warning Design Suitable for Smoke Alarm Multimeter Anti-Leakage and Explosion-Proof Recyclable Charging Ultra-Long Battery
9V Lithium Battery 12800Mah Large Capacity Usb-C Fast Charging Red and White Warning Design Suitable for Smoke Alarm Multimeter Anti-Leakage and Explosion-Proof Recyclable Charging Ultra-Long Battery
New
£3.93
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