Minimalist bedroom with a low ST-750T bed, round mirror, and modern neutral décor.
Technical drawing of ST-750T, a circular object 130mm wide and 34mm thick.
White ST-622T smoke alarm with central test/reset button.
Round white ST-622T smoke alarm with a central test/reset button.
Side view of ST-622T smoke detector, white and round with black vents.

ST-622T

10 Year Thermoptek® Smoke Alarm

Grade F1 5 Year Warranty Thermoptek Sealed battery

Product description

This battery powered standalone Thermoptek multi-sensor smoke alarm has been designed to simplify protecting properties against fire. Sensing technology that offers a faster reaction to all types of fires. Quick and easy installation with no wiring required.

Multi‑Sensor alarms are recognised as an enhancement within British Standards BS 5839‑6. Our unique patented Thermoptek technology combines the latest optical sensing with thermal enhancement for rapid detection to all fires.

  • 10 year sealed lithium battery
  • For use in hallway, landing, living room, dining room and bedroom
  • Contains optical multi-sensing Thermoptek patented technology, for rapid detection to all fires
  • BS EN 14604:2005+AC:2008
  • Easy install with automatic battery engagement on base plate
  • Easy installation – A quick and easy solution that provides instant protection with no interlinking required
  • Independent alarm protection – standalone smoke alarms can be installed in a hallway, landing, living room, dining room and bedroom
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This battery powered standalone Thermoptek multi-sensor smoke alarm has been designed to simplify protecting properties against fire. Sensing technology that offers a faster reaction to all types of fires. Quick and easy installation with no wiring required.

Multi‑Sensor alarms are recognised as an enhancement within British Standards BS 5839‑6. Our unique patented Thermoptek technology combines the latest optical sensing with thermal enhancement for rapid detection to all fires.

Installation & Setup

Get the help and support you need to easily set up and install your FireAngel alarm for instant protection.

Installation guide

Installation guide

Click the icon to find out more about installing your pro connected app

Maintenance guide

Maintenance guide

Click the icon to find out how to maintain and test your alarm

Resources

For more technical and specification information on this alarm, view our manual and datasheet.

Product manual

Product manual

Click the icon to download the product manual

Datasheet

Datasheet

Click the icon to download the product datasheet

Related FAQs

Thermistek is the latest in sensing technology combined with a patented radiant heat dish, high performance thermistor and predictive monitoring to ensure a quicker response.

No, the SB1-T is a standalone battery-powered optical smoke alarm with no interlink options. This unit cannot be interlinked with any other products – please see our FireAngel Specification range or our FireAngel Mains with 9V battery backup range, both of these ranges offer hardwire and wireless interlink options.

According to latest BS 5839‑6 standards, for maximum LD1 protection you should fit a smoke alarm in the following rooms: Hallway, Landing, Living Room, Bedroom, Airing / Meter Cupboards, Loft, Garage. A smoke alarm is not recommended for installation in a kitchen, you should install a heat alarm in kitchens.
For further guidance on BS 5836‑6, please visit our Standards and Regulations Section.
Whilst BS 5839‑6 has previously been split into six varying Grades, each outlining the level of protection appropriate for certain properties and their corresponding levels of risk, the new update has altered the six sections, removing Grade B and Grade E, whilst Grade D and Grade F have been split into Grade D1 / Grade D2 and Grade F1 / Grade F2 respectively. Grade C has been revised and its recommendations expanded.
The 2019 grading system is as follows:
Grade A
Separate detectors, sounders and central control and indicating equipment with back-up power supply that conforms to British Standards BS EN 54.
Grade C
Separate detectors and sounders that are mains powered with back-up power supply and central control equipment.
Grade D1
A system of one or more mains powered detectors, each with a tamper‑proof standby supply consisting of a battery or batteries (such as FireAngel’s SM-SN-1 and HM-SN-1 alarm).
Grade D2
A system of one or more mains-powered detectors, each with an integral standby supply consisting of a user‑replaceable battery or batteries. (such as FireAngel’s SW1-PF-T and HW1-PF-T alarm).
Grade F1
A system of one or more battery-powered detectors powered by a tamper‑proof primary battery or batteries (such as FireAngel’s ST-622T, ST-750 alarm).
Grade F2
A system of one or more battery-powered detectors powered by a user‑replaceable primary battery or batteries. (such as FireAngel’s SB1-T alarm).
Please note: Grades B and E are no longer defined in BS 5839-6:2019.
See all faqs

Extend Your Protection

Protecting your properties and tenants is easier than ever with our range of smoke, heat, and carbon monoxide alarms. To ensure complete coverage, it’s essential to make sure you’re installing best practice and ensure compliance with your regional fire & CO safety laws.

For added peace of mind, upgrade to our Specification Range. These smart alarms, designed for social housing, can be interlinked (via hardwire or wireless) so when one alarm is triggered, all alarms in the property sound. Landlords can monitor and manage alarms remotely via the FireAngel Connected app, receiving device data and notifications without needing access to the property. The free app also allows for easy testing and instant notifications, showing the status of alarms, e.g. if they’ve been removed or need maintenance.

Get in touch today to see how our FireAngel Connected solution can support you and your tenants.

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