FireAngel 10 Year Carbon Monoxide Alarm - Sealed for Life Battery FA3820
FireAngel Various Alarms - CHOOSE PRODUCT
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 7 Feb 2026)
Based on a total of 22,359 customer reviews from independent review platforms.
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Will usually delivered within 1 working day of receiving cleared payment.
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Carbon Monoxide Alarm - FireAngel FA3820
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 7 Feb 2026)
Based on a total of 22,359 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Based on a total of 22,359 customer reviews from independent review platforms.
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Will usually delivered within 4 - 11 working days of receiving cleared payment.
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£13.49
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FireAngel Carbon Monoxide Alarm FA3820-EU 10yr battery EarlyWarning Indicat
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 7 Feb 2026)
Based on a total of 22,359 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Based on a total of 22,359 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
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Will usually delivered within 2 - 3 working days of receiving cleared payment.
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£13.89
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FireAngel FA3820 Carbon Monoxide Alarm 10-Year Sealed Battery 100% NEW ⭐⭐⭐⭐⭐
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 7 Feb 2026)
Based on a total of 22,359 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 22,359 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
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Will usually delivered within 1 - 2 working days of receiving cleared payment.
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£14.95
GBP 14.95 / Unit
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FireAngel FA3820 Carbon Monoxide Alarm - Battery Replace By 2037
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 7 Feb 2026)
Based on a total of 22,359 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 22,359 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
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Will usually delivered within 1 - 2 working days of receiving cleared payment.
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£14.99
GBP 14.99 / Unit
Delivery from £3.50
FireAngel Carbon Monoxide Alarm FA3820-EU 10 Year Battery
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 7 Feb 2026)
Based on a total of 22,359 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 22,359 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
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Will usually delivered within 7 - 10 working days of receiving cleared payment.
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£19.99
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FireAngel FA3820-EU Carbon Monoxide Detector 10-Year Lifetime
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 7 Feb 2026)
Based on a total of 22,359 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 22,359 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 3 - 5 working days of receiving cleared payment.
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£19.99
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FireAngel FA3820-EU 10 Year Long Life Battery Carbon Monoxide Alarm
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 1 Feb 2026)
Based on a total of 117,918 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 117,918 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
6-8 days
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£24.90
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FireAngel Carbon Monoxide Detector 10-Year Life Sealed Battery - FA3820 Carbon Monoxide Alarm for Home and Holiday - Portable CO Alarm - Travel Carbon Monoxide Detector and Monitor - White
Overall Rating: 2.5 / 5 (average from multiple review sources, as of 8 Feb 2026)
Based on a total of 46,321 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 46,321 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
In stock. Express Delivery available with Amazon Prime.
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Product information
At a glance
- Advanced sensor technology reduces unwanted alarms.
- Long-lasting battery for hassle-free operation.
- Modern design complements any home interior.
Note: This text was created with the help of AI.
Protect Your Home with Confidence!
The FireAngel FA3820-EUX10 is an ideal choice for homeowners, renters, and anyone who values safety and security. Designed for those who want to ensure their living spaces are guarded against fire hazards, this smoke alarm is perfect for use in kitchens, hallways, bedrooms, and living areas. With its reliable features and sleek design, it’s a must-have for anyone looking to enhance their home safety. For more options, check out our selection of Smoke Alarms!
Smart Features for Your Peace of Mind
The FireAngel FA3820-EUX10 boasts an impressive array of features that keep you and your family safe. This smoke alarm is equipped with advanced photoelectric sensing technology, which significantly reduces false alarms caused by cooking smoke or steam. It also has a 10-year battery life, so you won’t have to worry about changing batteries frequently. Additionally, the integrated hush feature allows you to temporarily silence the alarm, providing you with convenience at your fingertips!
Sleek and User-Friendly Design
This smoke alarm doesn’t just perform well; it looks great in any home setting too! The FireAngel FA3820-EUX10 features a modern, compact design that can blend seamlessly with your home décor. Its easy-to-read LED indicator shows the status of the device at a glance, while the simple installation process ensures you can set it up without any hassle. Plus, it comes in a neutral colour scheme that won’t clash with your interior style!
Safety Assurance with Every Purchase
Investing in the FireAngel FA3820-EUX10 means investing in your family’s safety. This unit complies with the latest safety standards, ensuring you have a reliable alarm that you can trust. With its solid performance, long-lasting battery, and user-friendly features, you can rest easy knowing that you are protected. Make the smart choice for your home today with this outstanding smoke alarm, and enjoy the peace of mind that comes along with it!
Note: This text was created with the help of AI.
Pros and cons
Pros
- Reduces false alarms effectively
- 10-year battery life
- Integrated hush feature
- Sleek, modern design
- Easy installation process
Cons
- May not suit very large homes
- Neutral design might not appeal
Note: This text was created with the help of AI.
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Type: Heat Detector Alarm / Number of Batteries: 1 / Power Source: Battery / Battery Included: Yes / Manufacturer Warranty: 10 Years / Product: FA3820 Carbon Monoxide Alarm / Features: Large Test Button, 10 Year Lithium Battery, Loud 85 dB Alarm, Slimline Profile / Power: Lithium Battery / Operating Sound Rating: 85 dB / Colour: White
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