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Mains Powered Heat Alarm Ei144

From: £28.19 ex VAT
(£33.83 inc VAT)
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Mains powered heat alarm with hush button from Ei, available as a replacement heat alarm detector head or complete with Easi-Fit mounting base plate.  This is the latest Ei144"RC" detector - now capable of interconnecting with the Ei1529RC remote control switch. Ideal for protecting kitchens and garages.  The Ei144RC replaces the previous Ei144 model but can still be used to extend and interlink to an existing Ei140 system.

  • 230V Hard-wired smoke alarm
  • Available in two versions:
  • With alkaline back-up battery
  • 5 year warranty
  • A maximum of 12 units can be interconnected via 3 core interconnection cable
  • Other alarms that can be interconnected include:
  • Suitable for installations complying to BS 5839-6: 2013 Grade D, E and F
  • Kitemarked to BS 5446-2: 2003
  • CE Marked
  • Low battery LED indicator
  • Separate mains and warning LEDs
  • Hush button for false alarm control
  • Fixed temperature fast response thermistor type sensor, range 54° - 62° C

The table below shows all the units that can interconnect with the EI141RC.

Compatible Alarms
Model Number
Type of unit
Type of interconnection
Ei141RC Ionisation Alarm Hard wire using 3 core interconnection cable
Ei146RC Optical Alarm Hard wire using 3 core interconnection cable
Ancillary Products
Model Number
Type of unit
Type of interconnection
Y03 Multi Frequency Sounder Hard wire using 3 core interconnection cable
Ei1529RC Smoke alarm Locate, Hush and Remote test switch Hard wire Interconnect
MCP401RC Manual Call Point Hard wire using 3 core interconnection cable

This is the technical data for the Mains Powered Heat Alarm Ei144.

Back-Up Battery 9V Alkaline
Sound Output 85dB (minimum) at 3m
Temperature Range 0° to 40°C
Humidity Range 15% to 95% Relative Humidity
Dimensions (HxDia) 50x142mm

Technical Data Sheets

The following technical data sheets are available for this product:

Q. For mains powered Aico smoke and heat alarms, when the electricity supply fails and the back up battery takes over, please can you tell me how long the battery will last in this situation?

A. For mains powered Aico alarms with a new, fully charged lithium back up battery, the battery would last approx. 3-6 months without a mains supply. For mains powered Aico alarms with a standard alkaline back up battery, the battery would last up to a year without mains supply. If the alarm has been installed with an Ei168RC radio frequency base, please note that the Ei168RC back up battery would last approx 2 months if the power fails.

Q. My detector does not have "RC" stated at the end of the code. What does this stand for?

A. The RC just refers to "Remote Control" as the unit can be fitted to a radio-frequency base for interconnection. The model hasn't changed but the manufacturers changed the product code slightly in reference to this.

Q. Can I upgrade an existing Ei140 series base with a Ei160 series smoke alarm?

A. Yes, the bases for the Ei140 and Ei160 series are identical units and are interchangeable.

Q. How do you wire in the Ei140/Ei160 series of smoke alarms?

A. To wire the units correctly you would use 2 core and earth cable to the first unit and 3 core and earth to the interconnected units. The alarms do not have to be earthed but a brass screw connector is provided so that the earth can be safety terminated.

Q. How do you change the batteries in the Ei smoke alarms?

A. On the side of the smoke alarm locate the removal slot. This is directly above the arrow shown on the smoke alarm face, insert a flat bladed screw driver horizontally approximately 1cm into the removal slot, this will release the fire alarm lock and enable you to push the alarm away from you and will disconnect the alarm from the base plate. This should now expose the battery connected to the alarm enabling you to change the battery. T

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Looking to replace an old alarm?

Why not use one of our fully certified easichange DIY kits? Find out more

Pricing & Availability

Model Stock Levels Prices Weight
Ei144EK Replacement Detector Head Kit
Product Code: EI144EK
In Stock

£28.19 ex VAT

(£33.83 inc VAT)

0.28kg

Ei144RC Heat Alarm
Product Code: EI144RC
In Stock

£29.19 ex VAT

(£35.03 inc VAT)

0.28kg

Customer Reviews

10/Oct/2013
Reviewed by:
Very efficent, would use again 5*
09/Sep/2013
Reviewed by:
Excellent product, with easy installation If this is a new installation, you need to remember to buy the seperate base plate.
03/Sep/2013
Reviewed by:
Very quick and efficient
24/Jun/2013
Reviewed by:
Easy to fit into existing mount
19/May/2013
Reviewed by:
Direct replacement with simple installation

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