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Mains Powered CO Alarm with Built-in Memory Feature - Ei225E

This product is currently out of stockUnable to provide an estimated dispatch date
3 Customer Reviews
£45.35 inc VAT
£37.79 ex VAT
Product Overview

The Ei225E carbon monoxide alarm uses a proven sensor, based on electrochemical technology. The detector checks for CO every 50 seconds in the surrounding environment, ensuring that potential leaks are identified quickly. The unit also features a built-in memory and records if CO has been detected.

  • Product Lifespan: 5 years
  • Power: 230V mains powered
  • Warranty: 5 year warranty
  • Kitemarked to BS EN 50291-1
  • Memory feature records if CO has been detected
  • Easy to use Test/Hush button
  • Automatic self diagnosis
  • Loud 85dB(A) alarm (at 3 metres)
  • Power and alarm indicator lights
  • Low and high level alarm indicator
  • Fast CO test mode
  • Tamper-proof
  • Suitable for wall and ceiling mounting
Technical Data
Product Code EI225E
Alternative Product Codes Ei225, Ei225E, Ei225EN
Brand EI Electronics
Dimensions (HxWxD)


Operating Temperature

-5° to 40°C

Power Type

Mains Powered

Relative Humidity

15% to 95% Relative Humidity


50ppm (parts per million) CO gas

Sound Output


Visual Display

LED Indicators


5 Years

Weight 0.20kg
Product Datasheets

Pricing & Availability

Model Stock Price
Product Code: EI225E Stock Level:
This product is currently out of stockUnable to provide an estimated dispatch date

£45.35 inc VAT

£37.79 ex VAT

Excellent Warranty

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

Customer Reviews

3 customers have given this product an overall rating of 4.3 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: 4 / 5 Stars

Reviewed by: N P

works well and easy to install with apparently feature showing low level CO leak rather expensive and limited life - why does the whole unit have to be replaced rather than just the out of date part

Published on: 28th August 2017

Rating: 5 / 5 Stars

Reviewed by: A B

A smart device will fit in with all types of decor. As this is a mains connected divice it also gives peace of mind.

Published on: 2nd March 2016

Rating: 4 / 5 Stars

Reviewed by:

easy installation neat look very good sounder

Published on: 22nd August 2014

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