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230V Ionisation Smoke Alarm with Lithium Back-up Battery Ei151

Ei151 and Ei151TL Ionisation Smoke Alarm

Discontinued Product

This product has been discontinued.

alternative product

Replacement for Ei151 Smoke Alarm

  • Power: 230V mains with back-up battery
  • Back-up Battery: Self-charging lifetime battery
  • Warranty: 5 year warranty
  • Alarm test and silence button
  • Optical sensor technology for fewer false alarms
  • LED power and function indicators
  • Kitemarked to BS EN 14604: 2005

£48.91 inc VAT

£40.76 ex VAT

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Product Overview
The Ei151TL is an ionisation smoke alarm with hush button and a 10yr+ rechargeable lithium backup cells. If you are looking to replace an existing Ei151TL or Ei151unit, then why not look at the Ei151 Easichange replacement detector kit.
  • Responds quickly to fast flaming fires
  • Unique and proven long life Ei ionisation smoke chamber
  • Available in two versions:
  • Easy to use Test and Hush buttons
  • Separate mains and warning LEDs
  • Low power cell warning in the event of mains or cell failure
  • Precision charging circuit ensures peak cell performance
  • Proven 10 year+ rechargeable lithium cell back-up
  • Interlinks with other Ei Professional mains powered smoke & heat alarms
  • Hush button for false alarm control
Technical Data
Product Code EI151TL
Alternative Product Codes Ei151, Ei151TL, Ei151TLH, Ei151TLR
Brand EI Electronics
Dimensions (HxWxD)


Weight 0.21kg
Product Datasheets
FAQs (4)
Q. What type of electrical cable is required to carry the mains supply and trigger signal for the wired alarms?

For the mains supply of the first unit a 2-core earth cable would be sufficient. For the connection between the alarms a 3-core earth cable would be required

Q. Is there an alarm that will enable me to replace my mains powered Ei155 smoke alarm without having to get an electrician to come?

The alarm is part of the Ei150 series and can therefore be replaced using our Easichange replacement head kit. As the backplate does not need removing to replace the alarm you do not need to call an electrician.

Q. Which alarm will replace my obsolete Ei131 smoke alarm?

The Ei151EK is the replacement for the Ei131. The base will have to be replaced.

Q. Which alarm should I buy to replace my EI151 and EI156 interconnected alarms, the replacement models EI151TL and EI156TLH or the or the 'Easichange' replacement kits?

The Easichange replacement kits would be suitable for your requirements. The kit is supplied with a new mains powered smoke alarm and a specially designed masking plate that will cover any discolouration or blemishes left behind by your old alarm.

Customer Reviews

6 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:

A quick and efficient service.

Published on: 25th May 2016

Rating: 5 / 5 Stars

Reviewed by:

Very good service, would recommend.

Published on: 18th May 2016

Rating: 5 / 5 Stars

Reviewed by:

Perfect exactly what is says on the tin (box) Excellent alarm

Published on: 13th February 2016

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