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FireAngel ST-622R Thermoptek Smoke Alarm Product Code: 2547D

Reacts quickly to all types of fire, is less prone to nuisance alarms from cooking fumes and has a 10 year battery life. Universal backing plate guarantees quick and easy fitting. 10 year Lithium battery life.


  • 85dBA Alarm
  • Battery-Powered
  • 10 Year Manufacturer's Guarantee (T&Cs Apply)
  • Large Button for Easy Testing & Silencing


EN 14604: 2005.
Additional Information
Technical Specification
  • Power Source : Battery-Powered
  • Brand : FireAngel
  • Product Type : Thermoptek Smoke Alarm
  • Alarm Product Type : Smoke
  • Model Name : Thermoptek
  • Fixings Supplied : Fixings Supplied
  • Total Product Weight : 0.21 kg
  • Model No : ST-622R
  • Battery Duration : 10-Year Sealed Battery (Lithium)
  • Wireless/Wired : Wireless
  • Alarm Sensor Type : Optical
  • Battery Type : Lithium
  • Colour : White
  • Product Depth : 41 mm
  • Pack Size : 1
  • Product Diameter : 134 mm
  • Manufacturer Guarantee : 10 Year Manufacturer's Guarantee (T&Cs Apply)
  • Pieces in Pack/Case : 1
Product Contents
Delivery & Returns


Standard delivery service up to 3 working days: €8.95

Free delivery on all orders over €70.00

Click here to see information on our delivery service



Hopefully you won't need to return an item, however, if you do, it is our aim to make this as simple as possible. By following the guidance below you can help us to help you when a product is not what you expected, or is faulty. Your statutory rights are not affected by this guidance.


Click here to see information on returns and cancellation

€14.45 Incl. 23% VAT

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FireAngel ST-622R Thermoptek Smoke Alarm is rated 4.5 out of 5 by 297.
Rated 3 out of 5 by from Does Not Last 10 years This was installed on my Managing Agents recommendation, as some considerable cost in mark up and labour, sold as 10 years low overall cost for rental property. NOW, has lasted just over 2 years, annoying battery low "chirp" for my tenant and another £95 to replace (including mark up and labour).. NOT HAPPY...
Date published: 2019-08-05
Rated 5 out of 5 by from SI-601 Replacement Direct replacement for our caravan SI-601 smoke alarm using same mount. Also toast friendly which is a bonus.
Date published: 2019-07-30
Rated 5 out of 5 by from Smoke alarm Great product and does the job! Looks very professional.
Date published: 2019-07-29
Rated 5 out of 5 by from Fireangel Does what it says and easy to replace after the old one needed replacing.
Date published: 2019-07-19
Rated 4 out of 5 by from battery life excellent product but battery guaranteed for ten years not quite made 4 years and never kept receipt hayho still cheap for 4 years safety
Date published: 2019-07-09
Rated 5 out of 5 by from Does the job Easy to install, easy to test. Don't look like an eyesore. First impressions are very good
Date published: 2019-07-08
Rated 5 out of 5 by from Great smoke alarm, good value Got this for our caravan, didn't want one that would be going off every time we cooked some toast and so far this has not had any false activations. 10 year battery life, so no worries about changing batteries. Good price compared to major DIY chain.
Date published: 2019-06-29
Rated 5 out of 5 by from Caravan smoke alarm Excellent upgrade for my caravan original using the same base plate.
Date published: 2019-06-27
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