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The Ei156 mains powered smoke alarm has now been discontinued by the manufacturer. The design of the base has also been changed so a whole new alarm and mount is required. Original manufacturer Ei Electronics (Aico) recommends the new Ei3016 optical smoke alarm as the most suitable replacement.
The Ei3016 can interlink with any Ei150 series alarms remaining in your system. Like the Ei156 it replaces, the Ei3016 features a lithium back-up battery and optical sensor technology that is less prone to false alarms. Because the base and connector plug for the Ei150 series are no longer used, a replacement base is included with your new alarm that will need to be fitted by an electrician using your existing wiring.
Please note: Due to the manufacturer changing the design of their baseplates, you will require an electrician to install these alarms in place of your old Ei156 alarms. However, the same power and interlink wiring from your existing connector can be used for the new base.
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:-
Product Code |
Without Masking Plate: EI156RA With Masking Plate: EI156RAM |
---|---|
Brand | EI Electronics |
Back-Up Battery | Self-charging lithium battery |
Dimensions (HxDia) | Alarm: 55 x 150mm Optional Masking Plate: 3 x 176mm |
Operating Temperature | 0° to 40°C |
Relative Humidity | 15% to 95% |
Sound Output | 85dB |
Weight | EI156RA: 0.4kg EI156RAM: 0.45kg |
Product Datasheets |
Every EI Electronics EI156RA is supplied with the following components.
Model | Stock | Price |
---|---|---|
Without Masking Plate Product Code: EI156RA |
Stock Level:
More than 20 in stock Expected dispatch: 4th Nov
|
Price:
£51.23 inc VAT £42.69 ex VAT |
With Masking Plate Product Code: EI156RAM |
Stock Level:
More than 20 in stock Expected dispatch: 4th Nov
|
Price:
£55.67 inc VAT £46.39 ex VAT |
Approved Partner
The following delivery options are available on this product.
48 customers have given this product an overall rating of 4.9 out of 5
Rating: 5 / 5 Stars
Reviewed by: M B
All seem to be working fine and were installed quickly and easily These replacements are a different shape to our original electric smoke detectors so the small circles that come with them to cover the old shape on the ceiling is great and make it look smart as well. The service from safelincs was great. We've used them twice now and the products and the delivery have been great
Published on: 7th March 2024
Rating: 5 / 5 Stars
Reviewed by: D A
not straight fwd to fit. (i have a pacemaker) but with the help of a friend we managed it.
Published on: 28th April 2023
Rating: 5 / 5 Stars
Reviewed by: M M
Great alarms setup is straight forward.
Published on: 18th September 2022
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