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

Ei225E - Carbon Monoxide Alarm with Built-in Memory Feature

Discontinued Product

This product has been discontinued.

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

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:

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low level CO leak rather expensive and limited life - why does the whole unit have to be replaced rather than just the out of date part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 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

Looking for more information?

If you have any questions or would like more information about this product you can ask one of our specialists.

Direct Telephone 01507 464182


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