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Genuine Ei Replacements
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Easichange Ei140 Series Replacement Kits
Easichange replacement kits for the Ei140 series mains powered smoke and heat alarms, provided with alkaline back-up battery.
Easichange Ei160 Series Replacement Kits
Easichange replacement kits for Ei160 series mains powered smoke and heat alarms, provided with 10 year lithium back-up battery.
Easichange Installation Videos
A series of videos put together to show you how to simply change your detector head without needing an electrician.
Easichange Instruction Manuals
Manufacturers user manuals to help guide you through the replacement process quickly and safely. Avaialable for all models.
How to identify your alarm
Identifying which Ei Electronics or Aico mains powered smoke alram you currently have installed is sometimes not easy. We have created some helpful tips below to help you figue ouit which alarm you have. If you are sturuggling to identify your alarm please contact our friendly customer service team.
Ei140 Series
The front of an Ei140 series smoke or heat alarm should not have a "10yr+ Rechargeable" sticker on the alarm face.
The back of an Ei140 series smoke or heat alarm should have a label on the back with the model number EI141, EI144 or EI146.
Ei150 Series
The front of an Ei150 series smoke or heat alarm should have the model number printed below the top edge of the alarm.
The back of an Ei150 series smoke or heat alarm should have a label on the back of the alarm with the model number clearly printed on.
Ei160 Series
The front of an Ei160 series smoke or heat alarm should have a "10yr+ Rechargeable" sticker on the alarm face.
The back of an Ei160 series smoke or heat alarm should have a label on the back with the model number EI161, EI164 or EI166.