10 Year Thermoptek Smoke Alarm FireAngel ST-622

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Smoke Alarms

Our range of battery powered smoke alarms feature the cutting edge in smoke sensing technology encased in the most modern looking units.

Product Overview

Using the sensing technology of choice for the UK's Fire and Rescue Service, the FireAngel ST-622 is a sealed 10 year battery powered Thermoptek smoke alarm with improved detection of slow-smouldering fires. It's handy "sleep-easy" function allows the smoke alarm to be temporarily silenced for 8 hours when it emits low battery or end of life warning chirps.

  • Thermoptek optical smoke sensor - detects slow-smouldering fires
  • Tamper-proof sealed 10 year battery powered alarm
  • CE marked and Kitemarked to BS EN 14604
  • Sensing technology of choice for the UK's Fire and Rescue Service
  • "Sleep-Easy" function allows the low battery or end of life warning chirp to be silenced for 8 hours
  • Test and hush button function
  • 5 year warranty
  • Suitable for BS 5839-6: 2019 Grade F1 installations
Technical Data
Product Code FAST622T
Alternative Product Codes ST-622R, ST-622Q, ST-622T, ST620, SI610, SO601,
Brand FireAngel
Battery Type

10 year sealed lithium battery

Dimensions (HxD)

34 x 130mm

Operating Temperature

+4 °C to +38 °C

Relative Humidity

Up to 90%

Sound Output

85dB

Weight 0.21kg
Product Datasheets

Customer Reviews

70 customers have given this product an overall rating of 4.8 out of 5

Reviews by real customers

All of our product reviews are written by real customers that have purchased this product from us and are published without modification.

Rating: 5 / 5 Stars

Reviewed by: R B

Easy to fit and test.

Published on: 14th November 2021

Rating: 4 / 5 Stars

Reviewed by: D A

Easy to fit and does the job

Published on: 17th September 2021

Rating: 5 / 5 Stars

Reviewed by: A Y

Simple to install and works

Published on: 13th May 2021

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