OPEN 7 DAYS A WEEK 0800 612 6254 Lines open today 8am - 9pm

Mains Powered Heat Alarm with Self-Charging 10 Year Back-up Battery - Aico Ei3014

£46.79 inc VAT
£38.99 ex VAT
Product Overview

The Ei3014 is a mains powered heat alarm with built in, tamper-proof, rechargeable lithium back-up battery which allows the alarm to stay powered during a mains power outage. The alarm contains a high performance thermistor which will trigger the alarm when it reaches a temperature of 58°C and performs its own self checks every 48 seconds to ensure the alarm is fully functioning. Featuring a test / silence button, the Ei3014 is fitted with AudioLINK technology as standard allowing you to extract real time data from the alarm directly to your smart phone. The alarm is also SmartLINK compatible when used in conjuction with an Ei3000MRF module which adds many new features and is also backwards compatible with RadioLINK and RadioLINK+ devices.

  • 230V mains powered with rechargeable lithium back-up battery
  • Available in Optical, Carbon Monoxide, Heat & Carbon Monoxide and Optical & Heat
  • AudioLINK technology allows users to extract real time data to their smart phone or tablet
  • Suitable for kitchens and garages
  • Suitable for installations complying to BS 5839-6: 2019 Grade D1
  • Supplied with an Easi-fit baseplate
  • High performance thermistor to provide quick response times
  • Memory feature - easy to identify an alarm that has previously sounded
  • Hardwire interlink with up to 12 devices
  • Compatible with Ei140, Ei160e and Ei2110e alarms
  • 85dB warning alarm at 3m
  • Performs its own self checks every 48 seconds to ensure the alarm is fully functioning
  • Test/Silence button
  • SmartLINK compatible when used in conjunction with Ei3000MRF
  • CE marked and Kitemarked to BS 5446-2: 2003
  • 5 year manufacturer's warranty
  • This alarm is also suitable for the updated 2022 Scottish legislation for fire alarms in homes
Please Note: The Ei3000MRF SmartLINK module for radio-interlinking is sold separately.


The tables below show all the products that can interlink with the Ei3014.

More products may be compatible when installed in conjunction with the Ei3000MRF SmartLINK module. Please see the Ei3014RF bundle for further information.

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 EI3014
Brand EI Electronics
Back-Up Battery

10 year sealed lithium

Dimensions (HxDia)


Operating Temperature

0°C to 40°C

Relative Humidity

15% to 95% Relative Humidity

Sound Output


Weight 0.44kg
Product Datasheets
FAQs (10)
Q. Do I need an ionisation or optical smoke alarm?

We recommend using an optical smoke alarm in hallways, as these are less likely to go off because of cooking fumes from a connected kitchen. Optical smoke alarms are also ideal for living rooms, dining rooms, bedrooms, as they are good at detecting smouldering fires from soft furnishings. For landings we recommend ionisation alarms. Heat alarms are designed for kitchens and garages. No alarms should be installed in bathrooms.

Q. Why do your mains powered alarms have batteries?

All our mains powered alarms have a battery backup. Although mains powered alarms without this option do exist (BS5839 part 6 grade E), we regard them as far too dangerous, as a lot of fires are caused by electrical faults leaving the building unprotected against fire if the smoke alarms have no backup battery. With our mains powered alarms you will always be protected.

Q. Can I put my smoke alarm on the wall, or must it be mounted on the ceiling?

The best location to install your smoke alarm is in the centre of the ceiling rather than on the wall. During a fire, smoke initially rises and then spreads to the sides of the room. By installing the alarm on the ceiling, this ensures that you receive the earliest possible warning of a fire.

Q. Do you need an electrician to connect mains powered smoke alarms?

It is necessary that an electrician installs mains powered smoke alarms.

Q. What sort of smoke alarm system would I need to install for a HMO?

BS 5839-6 recommends that one or two storey HMOs with an individual floor area of no more than 200sqm (not the total of both floors) should have a Grade D smoke alarm system installed. Grade D refers to mains powered smoke alarms with a back up battery power supply. The alarms can be interlinked either by wire or by radio signal and the system does not require a separate fire alarm panel. For HMOs of 3 storey or higher, a Grade A panel system would need to be installed. This can cover the whole of the building, or can be used just for the communal areas with a separate Grade D system installed for the individual dwellings. For both applications, the level of cover should be a minimum of LD3 (in all escape routes) but this may change according to the fire risk assessment.

Q. When the test button is pressed on an interlinking smoke alarm will this cause all the other units to go off, too?

Yes, by pressing the test button on one alarm all the units in that family will also be activated. To 'teach' the units which other smoke alarms belong to the same family, the smoke alarms have to be set up together during the installation. This is done by pressing a 'housecoding button' or similar process.

Q. How long do the batteries last in smoke alarms?

The 9V alkaline batteries last 12-18 months. Lithium batteries will usually last 5x longer than their alkaline counterparts, achieving around 5 years lifetime. Some lithium cells are also rechargeable, and when used in a mains-powered alarm may last for the entire functional lifespan of the alarm. Newer alarm models may also feature a "sealed" lithium battery. These batteries are specialist components which are designed to not be removed or need replacing by the user, and have been tested by the alarm manufacturer to ensure they last for the lifetime of the alarm.

Please Note: the actual lifetime of your batteries depends on how often the alarms are tested or activated, as sounding the alarm draws more power than when the alarms are "waiting" to detect fire. You should also read your alarm's manual to make sure you only use the recommended types and brands of batteries, as failing to follow these instructions may cause the alarm to malfunction, not alerting you in the event of a fire, and might also invalidate the warranty.

Q. Can the mains powered smoke alarm range be connected to mains power via the lighting circuit?

Yes, hard-wired mains powered alarms can be wired to the unswitched live feed of the nearest frequently used lighting circuit.

Q. How do I safely dispose of my old smoke alarms?

Safelincs is signed up to Valpak's WEEE (Waste Electrical and Electronic Equipment) Distributor Take-Back Scheme (Registration ID: 7370). Private households can therefore drop off their electronic and electrical fire safety waste at their municipal recycling centre when they are purchasing new products from us. To find your nearest recycling centre, please visit

Q. What smoke alarm should I use in a bedroom with an en suite bathroom?

It is usually recommended to install an optical smoke alarm in a bedroom. This is because optical smoke alarms are slightly quicker at detecting slow smouldering fires that can originate from upholstery type materials and over-heated wiring. Also, an optical smoke alarm would be less likely to sound a false alarm than an ionisation would, if steam/water droplets were present from the bathroom. Detectors should be installed as central to the room as possible; however for your application I would also consider the position of the en suite to make sure that the detector is not in the direct path of the joining door. This is just to try and avoid the chances of a false alarm. No detector is designed for use in bathroom areas.

Pricing & Availability

Model Stock Price
Product Code: EI3014 Stock Level:
20 in stock Expected dispatch: Today

£46.79 inc VAT

£38.99 ex VAT

Delivery Options

The following delivery options are available on this product.

Economy Delivery

£4.79 inc VAT - Orders will be delivered in 3-5 working days by Hermes

Express Delivery

£7.91 inc VAT - Orders will be delivered in 1-2 working days by Hermes

Excellent Warranty

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

Looking for more information?

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

Live Chat Available Now
Direct Telephone 01507 464181