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Guest BurningBridges

Upgrading Ei151

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Guest BurningBridges

I've got a house that has two Ei151 smoke alarms wired in. They are expiring now and I'd like to replace them. I can see that the Ei156 might be a good option because it looks like it would fit on the same base with the same wiring. However, I would really rather have the newer model Ei140 series. How difficult is it to swap over to the new model? I assume just screw in a new bracket and the wiring will be the same, probably using the same connector?

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Please note that the Ei151TL ionisation alarm is now discontinued and customers need to consider their options.

The Ei140 and Ei160 series can be fitted in place of an Ei150 series alarm. Different alarms from the Ei150/Ei140/Ei160 series will gracefully communicate with each other on the old existing wiring. Even the new Ei160e series will communicate with the older series.

There is even a specific Easichange kit to allow the conversion from Ei150 to Ei160 series.

Ei151/Ei150

Ei154

Ei156

You need to keep in mind, though, that the old Ei150 series connector plug will have to be removed and that the footprint of the Ei140 and Ei160s is circular rather than rectangular, so a bit of repainting of the ceiling might be necessary. The Easichange kits mentioned here contain an masking plate to cover the ceiling and hide any blemishes.

Harry

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Guest Nathan

What happens to the old battery wire in the ei151 as it doesn't need wiring - is it just a case of make it secure?

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Guest Nathan.

It's the Ei151 model and it has 4 wires. It has a white, blue and brown as expected. It also has another blue wire that I believe is the battery charger cable for the old model and the replacement doesn't require the extra wire.

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Guest Nigel

does this mean once you have cut the connector off of my old EI151 smoke detector i connect  both the blue wires (i.e existing neutral wire & the blue battery wire) into the neutral connection point in my EI 160 replacement kit smoke detectors ?

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