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Aico Ei166e - Mains Powered Optical Smoke Alarm With Lithium Back Up Battery

Product Code: Ei166e

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Aico Ei166e Mains Powered Optical Smoke Alarm Key Features

This product has now been discontinued and superseded by the Ei3016. Please Click Here to see the upgraded version (Ei3016).

  • Remote test + control – wired & wireless.
  • Integrated piezo-electrical sounder.
  • Easi-fit base.
  • Insect screen - Protects alarms from Insect Damage/False Alarms.
  • Low battery indication.
  • Hardwire interconnect/ Wireless Interconnect when fitted with Ei100MRF Radiolink module.
  • Kitemarked to BS EN14604:2005
  • Test/ Silence button.
  • 5 Year Guarantee.
  • Up to 12 alarms on a single system.

Product Information

The Ei166e Optical Smoke Alarm is the new and improved model of the Ei166RC. Improved design, better detection and all round upgraded. Using a 230V AC mains power supply and rechargeable lithium battery back up (which lasts the life of the alarm) it is ideal and designed for Hallways, Landings, Living Rooms & Dining Rooms. A new design for the Sensor Chamber offers better resistance to False Alarms.

Supplied with a with a Easi-fit base the Ei166E allows fast and simple installation and servicing. Suitable for use as a stand alone alarm or in a system (Wired or Wireless Connection). 

Being Mains Powered this alarm is suitable for installations to BS5839 Grades D,E & F.

Memory Function.

The brilliant Memory Function allows you confirm the Time and Date of any activation on the system, a brilliant feature for any buyer.  The system will indicate using its LEDS if an alarm has been activated in the last 24 Hours.

Optional RadioLink+ Module: 

If you wish to Wireless Interconnect these devices you can use the Ei100MRF RadioLINK+ Module. This module simply plugs into the alarm and saves both Labour & Parts cost. You can Wirelessly interconnect up to 12 detectors on a single system saving Labour & Parts costs.

The Ei100MRF  has a radio range of 100m in open space and 30m when within a building.  £39.95 + VAT when purchased with any 160e series alarm. (normally £42.95 + VAT Each).


The below shows all of the units which can interconnect with the Aico Ei161e Alarm:

  • From the Same Range:
    • Aico Ei161e Ionisation Smoke Detector
    • Aico Ei164e Heat Detector
    • Aico Ei2110 Smoke & Heat Detector
  • Compatible Alarms:
    • Aico Ei166rc Optical Smoke Detector
    • Aico Ei164rc Heat Detector
    • Aico Ei2110 Smoke & Heat Detector

Technical Details

Manufacturer: Aico
Product Code: Ei166E
Sensor Type: Optical
Supply Voltage: 230V AC, 50Hz
Battery Back Up: Rechargeable lithium backup battery
Sound Level: 85 dB(A) at 3 meters
Temperature: Operating-0 to 40 celsius
Storage-0 to 35 celcius (in a dry place).
Humidity Range: 15% to 95% Relative Humidity
Button Test: Simulates the effect if smoke and checks chamber, electronics and horn
Self Test: Smoke Chamber is automatically tested every 40 seconds and unit beeps(without red LED flash)if it is degraded.
Insert Screen: Prevents insects or debris entering chamber (1.00mm mesh size)
Platic Material: UL94VO flame retardant
Dimensions: Product-Dia:148mm x Depth:54mm
Package- W:153mm x H:153mm x D:62mm
Weight: 336g (Pack +68g)
Guarantee: 5 year (limited) Guarantee
Approvals: CE Marked
Kitemarked: BS EN14604:2005

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