5 Year Sealed Longlife Battery Carbon Monoxide Alarm - Firehawk CO5B

5 out of 5 stars
Save 25%
£12.77 inc VAT
£10.64 ex VAT
Product Overview

The Firehawk CO5B is an alarm designed to detect deadly carbon monoxide gas from incomplete combustion in fuel-burning appliances and fireplaces. This alarm features a sealed 5 year battery that never needs replacing, a versatile mounting system that supports free-standing and wall-fixing installation, and approval for use in travel and boats as well as the home.

Please Note: Firehawk guarantee the CO5B for 5 years of life from the time it is first powered on even if the "replace by" date on the alarm may be slightly short.

  • Carbon monoxide sensor suitable for areas with fuel burning appliances such as cookers and open fires
  • Sensor: 5 year electro-chemical CO sensor
  • Battery: 5 year sealed lithium battery
  • Warranty: 5 year manufacturer's warranty
  • Versatile mounting system can be fixed to a surface or left free-standing
  • Small, light, and portable – ideal for travel
  • Automatic sensor fault detection
  • Turns on and off automatically when fitted to and removed from the mounting plate
  • Individual LED indicators for power (green), fault (amber), and alarm (red)
  • End of life warning can be silenced for up to 10 hours
  • Dedicated test and silence buttons for easy maintenance
  • CE marked and Kitemarked to BS EN 50291-1 (domestic use) and BS EN 50291-2 (camping / caravans / boats)
Technical Data
Product Code FICO5B-X
Alternative Product Codes CO5B
Brand Firehawk
Battery Type

5 Year Sealed Lithium

Dimensions (HxWxD)

30 x 65 x 100mm


LED indicators

Operating Temperature

-10°C to +40°C

Relative Humidity

30 to 90%


30ppm (parts per million)

Sound Output



5 Years

Weight 0.08kg
Product Datasheets

Pricing & Availability

Model Stock Price
Product Code: FICO5B-X Stock Level:
19 in stock Expected dispatch: Tomorrow

£12.77 inc VAT

£10.64 ex VAT

Delivery Options

The following delivery options are available on this product.

Standard Delivery

£3.19 inc VAT - Orders will be delivered in 2-3 working days with Evri

Next Working Day Delivery

£6.19 inc VAT - Orders will be delivered the next working day with Evri

For dispatch today order within

Excellent Warranty

This product is supplied with a 5 year manufacturers warranty as standard

Customer Reviews

2 customers have 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: M C

Brilliant portable alarm

Published on: 12th April 2024

Rating: 5 / 5 Stars

Reviewed by: M H

Neat design, simple set up, good value

Published on: 18th March 2023

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