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Replacement for FireAngel ST-622 10 Year Smoke Alarm

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£17.75 inc VAT
£14.79 ex VAT
Product Overview

Replace your old FireAngel ST-622 with the Firehawk FHB10 optical smoke alarm and a specially designed adaptor plate without the need to drill additional holes or redecorate. The adaptor plate simply twists onto your existing ST-622 base plate and provides an ideal and quick solution for the replacement of this alarm. Like the FireAngel ST-622, the Firehawk FHB10 optical smoke alarm is powered by a 10 year sealed lithium battery, for additional peace of mind it is backed with a 10 year manufacturer's warranty.

  • FREE delivery
  • Optical smoke sensor suitable for installations in hallways, landings, living areas and bedrooms
  • Battery: 10 year sealed lithium battery
  • Warranty: 10 year manufacturer's warranty
  • Includes Firehawk Adaptor Plate designed to easily replace old FireAngel ST-622 alarms with the Firehawk FHB10
    • Removes the requirement to drill additional holes or redecorate when replacing alarms
    • Fits onto existing FireAngel ST-622 base plates
    • Simple twist-on installation
  • Automatic activation when attached to the base plate
  • X-Profile detection chamber, designed specifically to reduce false alarms
  • End of life / low battery chirps can be silenced up to 10 hours
  • Large combined test and silence button
  • Suitable for installations complying to BS 5839-6 Grade F1
  • CE marked and Kitemarked to BS EN 14604: 2005

Please Note: The FHSAP adaptor plate is used for mounting the FHB10 smoke alarm to an existing FireAngel ST-622 base plate – do not use the standard base plate included in the box with the FHB10 smoke alarm as well. The standard base plate is only intended for use on its own to directly mount an FHB10 to the ceiling

Technical Data
Product Code FAST622
Alternative Product Codes FAST622, FHSAP, ST622, ST-622, ST-622T, ST-622Q
Brand Firehawk
Battery Type

10 Year Sealed Lithium

Dimensions (HxDia)

Adaptor Plate: 3.8 x 117mm

FHB10 Optical Smoke Alarm: 34 x 84mm

Operating Temperature

5°C to 30°C

Relative Humidity

< 85%

Sound Output


Storage Temperature

5°C to 30°C


10 year manufacturer's warranty

Weight 0.10kg
Product Datasheets

Pricing & Availability

Model Stock Price
Product Code: FAST622 Stock Level:
Available to order Expected dispatch: 26th May

£17.75 inc VAT

£14.79 ex VAT

Delivery Options

The following delivery options are available on this product.

Free Economy Delivery

Free of Charge - Orders will be delivered in 8-10 working days with Evri by Hermes

Expedited Delivery

£8.10 inc VAT - Orders will be delivered in 6-7 working days with Evri by Hermes

Excellent Warranty

This product is supplied with a 10 year manufacturers warranty as standard

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