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Mains Powered 2 Smoke Alarms and 1 Heat Alarm Kit with Alkaline Back-up Batteries - Firehawk

5 out of 5 stars
Save 11%
£38.99 inc VAT
£32.49 ex VAT
Product Overview

This mains powered Firehawk kit is supplied with two smoke alarms and one heat alarm; all of which are fitted with replaceable AAA alkaline back-up batteries making them ideal for Grade D2 installations. These alarms provide fire protection around your home and can be hardwire interlinked to create a network of up to 15 Firehawk devices from the FH250 and FH450 ranges to give the earliest possible warning of fire. If one alarm is activated, the whole system will sound. The supplied Fast-Fix bases also allow for the easy replacement or swapping of smoke and heat alarm heads from the same range if required.

  • Ideal for installations throughout your home
    • Smoke Alarms: Hallways, landings, living areas and bedrooms
    • Heat Alarm: Kitchens, garages and unconverted loft spaces
  • Power: 230V mains powered with alkaline back-up battery
  • Back-up Battery: 3 x AAA alkaline batteries (included)
  • Warranty: 6 years manufacturer's warranty
  • CE marked and Kitemarked
  • Suitable for installations complying to BS 5839-6: 2019 Grade D2
  • Additional smoke and heat alarms can be added to the system at any time, up to 15 devices in total
  • Smoke alarm features X-Profile sensing chamber designed to reduce false alarms and TSE-Technology for improved detection
  • Heat alarm features Advanced Thermistor Detection making it suitable for kitchens, garages, lofts and workshops
  • Quick installation and replacement of alarms with the supplied Fast-Fix bases
  • Large combined test and silence button for easy weekly testing and maintenance
  • Low battery warnings and end of life chirps can be silenced up to 10 hours
  • This alarm is also suitable for both the Welsh and Scottish updated 2022 legislation

The table below shows all alarms which can interlink via cable with the Firehawk FH250BB and FH450BB.

Model Description Interlink
FH250BB Mains Powered Optical Smoke Alarm with Alkaline Battery Backup Hardwire
FH450BB Mains Powered Heat Alarm with Alkaline Battery Backup Hardwire
FH250RB Mains Powered Optical Smoke Alarm with Sealed Lithium Battery Backup Hardwire
FH450RB Mains Powered Heat Alarm with Sealed Lithium Battery Backup Hardwire

Technical Data
Product Code FIFHKIT1H2S
Alternative Product Codes FIFH250BB, FIFH450BB, FH250BB, FH450BB
Brand Firehawk
Back-Up Battery

3 x AAA alkaline replaceable batteries (included)

Dimensions (HxDia)

FH450BB - Heat Alarm: 69 x 113mm

FH250BB - Smoke Alarm: 55 x 113mm

Operating Temperature

0°C to 40°C

Power Type

230V mains with battery backup

Relative Humidity

< 85%

Sound Output

85dB at 3 metres

Storage Temperature

5°C to 30°C


6 years

Weight 0.75kg
Product Datasheets

Pricing & Availability

Model Stock Price
Product Code: FIFHKIT1H2S Stock Level:
5 in stock Expected dispatch: 27th Jun

£38.99 inc VAT

£32.49 ex VAT

Delivery Options

The following delivery options are available on this product.

Economy Delivery

£4.99 inc VAT - Orders will be delivered in 3-5 working days with Evri by Hermes

Express Delivery

£8.10 inc VAT - Orders will be delivered in 1-2 working days with Evri by Hermes

Customer Reviews

1 customer has given this product an overall rating of 5 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: S M

great price easily installed

Published on: 12th June 2022

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