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Replacement for Ei141 and Ei141RC Mains Powered Smoke Alarms

4.9 out of 5 stars
£39.90 inc VAT
£33.25 ex VAT
Product Overview

The Ei141 is a mains powered smoke alarm with alkaline back-up battery. As all Ei141 alarms use older ionisation smoke detection technology, they are now being discontinued. If you need to replace an Ei141, the Ei146e which uses optical smoke detection is 100% compatible with your existing base plate and alarm system. This means you don't need to spend a penny on an electrician or worry about the disruption of rewiring works.

The new alarm can interlink with any other Ei140/140RC series alarms remaining in your system, along with many other Ei Electronics / Aico models. The more modern optical sensor technology in the Ei146e is less susceptible to false alarms, making it suitable for use in a wider range of locations such as rooms adjacent to kitchens, hallways, landings, bedrooms, and living areas.

  • Power: 230V mains powered with back-up battery
  • Back-up Battery: Replaceable 9 Volt alkaline battery
  • Warranty: 5 year warranty
  • Suitable for living rooms, dining rooms, bedrooms, hallways and landings
  • High performance optical sensor most suitable for detecting slow, smouldering fires
  • Fits onto your existing Ei141 alarm base (easi-fit base included to keep as a spare)
  • Suitable for installations complying to BS 5839-6 Grade D2
  • CE and Kitemarked to BS EN 14604: 2005
  • Piercing 85dB warning alarm
  • Combined test and silence button

The simple installation process of the Ei146e replacement alarm eliminates the need for an electrician. However, power to all alarm circuits should be cut before removing and replacing any mains powered alarm.

Interlink

The tables below show all the products that can interlink with this alarm.

Smoke and Heat Alarms

Model Number
Type of Unit
Type of Interlink
Ei3014 / Ei3014RF Mains Powered Heat Alarm - Sealed Lithium Hardwire Interlink
Ei3016 / Ei3016RF Mains Powered Optical Smoke Alarm - Sealed Lithium Hardwire Interlink
Ei3024 / Ei3024RF Mains Powered Optical & Heat Alarm - Sealed Lithium Hardwire Interlink
Ei3028 / Ei3028RF Mains Powered Heat & Carbon Monoxide Alarm - Sealed Lithium Hardwire Interlink
Ei2110e / Ei2110eRF Mains Powered Multi Sensor Smoke & Heat Alarm - Sealed Lithium Hardwire Interlink
Ei161e / Ei161eRF Mains Powered Ionisation Smoke Alarm - Sealed Lithium Hardwire Interlink
Ei164e / Ei164eRF Mains Powered Heat Alarm - Sealed Lithium Hardwire Interlink
Ei166e / Ei166eRF Mains Powered Optical Smoke Alarm - Sealed Lithium Hardwire Interlink
Ei141 / Ei168RC141RC Mains Powered Ionisation Alarm - 9V Alkaline Hardwire Interlink
Ei144 / Ei168RC144RC Mains Powered Heat Alarm - 9V Alkaline Hardwire Interlink
Ei146 / Ei168RC146RC Mains Powered Optical Smoke Alarm - 9V Alkaline Hardwire Interlink

Carbon Monoxide Alarms

Model Number
Type of unit
Type of interlink
Ei3018 / Ei3018RF Mains Powered Carbon Monoxide Alarm - Sealed Lithium Hardwire Interlink
Ei3028 / Ei3028RF Mains Powered Heat & Carbon Monoxide Alarm - Sealed Lithium Hardwire Interlink
Ei261 Mains Powered Carbon Monoxide Alarm - Sealed Lithium Hardwire Interlink

Ancillary Products

Model Number
Type of unit
Type of interlink
MCP401RC Mains Powered Manual Call Point Hardwire Interlink
Ei1529RC Mains Powered Locate, Silence & Test Control Switch Hardwire Interlink
Ei159 Mains Powered Smoke Alarm Locator Switch Hardware Interlink
Ei128R Mains Powered 5A Relay Module Hardwire Interlink
Ei128RBU Mains Powered 5A Relay Module with Lithium Backup Battery Hardwire Interlink
Y03 Mains Powered Multi Frequency Sounder Hardwire Interlink (via relay)
SAB300C Mains Powered Flashing Xenon Strobe (Clear) Hardwire Interlink (via relay)
SAB300R Mains Powered Flashing Xenon Strobe (Red) Hardwire Interlink (via relay)

Wiring Explained

Mains powered Ei Electronics smoke and heat alarms require a 230V AC power supply and up to 12 alarms can be hardwire interlinked in one system.

To obtain a mains power supply, each alarm can be connected to the nearest lighting circuit using 2 core and earth cable with a separate, dedicated interlink cable connecting all alarms. However, if possible it is recommended that the alarms are all powered from a dedicated circuit from the distribution board using 3 core and earth cable for safety during maintenance, as the interlink cable will carry power from live alarms on other power circuits. Please see the diagram below:-

Wiring Mains Powered Alarms

Technical Data
Product Code EI141RA
Alternative Product Codes Ei141, Ei141RC, Ei141EK, Ei146, Ei146RC, Ei146e
Brand EI Electronics
Back-Up Battery

Replaceable 9V Alkaline

Dimensions (HxDia)

50 x 152mm

Operating Temperature

0°C to +40°C

Relative Humidity

15% - 95%

Sound Output

85dB

Warranty

5 years

Weight 0.35kg
Product Datasheets

Key Product Features

Hard-wire interlinks with any remaining Ei140 or 140RC series alarms in your system

Connects directly onto your existing Ei141 base - no electrician needed

Coloured LED Power / Alarm / Fault indicators and 85dB warning siren

Ei146e optical smoke alarm - Your guaranteed replacement

Pricing & Availability

Model Stock Price
Product Code: EI141RA Stock Level:
More than 20 in stock Expected dispatch: Tomorrow
Price:

£39.90 inc VAT

£33.25 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

49 customers have given this product an overall rating of 4.9 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: P B

Easy to fit would buy again Fast delivery

Published on: 27th August 2024

Rating: 5 / 5 Stars

Reviewed by: E P

Great service! Wonderful website made it easy to find correct replacement wired smoke alarms. Quick delivery too. Many thanks.

Published on: 23rd August 2024

Rating: 5 / 5 Stars

Reviewed by: M A

Easy replacement for the old units Very easy to fit as they clipped straight on to the existing fittings on the ceiling.

Published on: 29th July 2024

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