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Carbon Monoxide Detector - Self Contained - Honeywell H450EN

Discontinued Product

This product has been discontinued.

alternative product

UltraFire UBCO1D Digital Carbon Monoxide Alarm

  • Product Life: 10 years
  • Battery: 2 x AA batteries included
  • Warranty: 10 years
  • Digital display screen for CO readings and alarm status
  • CE marked and UKCA marked
  • Certified to BS EN 50291-1 for domestic use
  • Also suitable for the 2022 Welsh legislation

£13.80 inc VAT

£11.50 ex VAT

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Product Overview

The Honeywell H450EN carbon monoxide detector has a sealed battery with a lifespan of up to 7 years. The detector has red, yellow and green LEDs to indicate normal operation, fault condition and alarm activation. Suitable for wall mounting or free-standing, the Honeywell H450EN detector can be used for domestic applications and for taking with you on holiday.

  • 6 year guarantee, including batteries
  • Sensitivity: 50ppm
  • CE marked and kitemarked to EN 50291: 2001
  • Up to 7 year alarm lifespan
  • Audible alarm output: 85dB
  • Test/hush button
  • Sealed longlife battery - no mains supply required
  • LED indication of normal, fault and alarm condition
  • End of life warning
  • Suitable for wall mounting or free standing
  • Easy to install
  • Front of the unit folds down and provides safety information
Technical Data
Product Code HWH450EN
Brand Honeywell
Dimensions (HxWxD)



Up to 7 years

Operating Temperature

-10 °C to +40 °C

Operating Voltage


Relative Humidity

30 to 90%


50ppm: Between 60 to 90 minutes

100ppm: Between 10 to 40 minutes

300ppm: <3 minutes

Sound Output


Weight 0.20kg
Product Datasheets

Customer Reviews

20 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:

Discreet and does the job

Published on: 31st March 2015

Rating: 5 / 5 Stars

Reviewed by:

Product as ordered, excellent delivery

Published on: 19th March 2015

Rating: 5 / 5 Stars

Reviewed by:

very good product and excellenservicet

Published on: 15th March 2015

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