smoke alarms

Hello. I am upgrading some AICO smoke alarms in a HMO where the existing alarms will expire soon. They are each wired from individual ceiling lights. On the top floor there are 4 alarms. I plan to go into the loft and from above, power the 4 top floor alarms from a single ceiling rose, instead...

Hi. In the house my wife and I recently bought there are 2 smoke alarms that are not working and are both well past the expiry date on them. They're a discontinued model FireX 120-950E. I've attached a photo so the connector can be seen. Does anyone know of a direct replacement where I wouldn't...

I need to upgrade my smoke alarms as a result of the new legislation in Scotland. I live in a three bedroom end terrace house with hall stairs and upper landing. My Combi boiler is in the cupboard under the stairs. My understanding is that I need linked alarms with one in the living room, one...

I have old hard-wired smoke alarms and was wondering if there are any new ones that are compatible with the existing wiring adapter/harness. If not, is it possible to buy a wiring adapter?

Hi there, I am looking to replace a couple of aico ei150 with newer optical ei166 smoke alarms. The existing wiring consists of 4 wires (2 blue wires, 1 brown and 1 white) moulded into a terminal connector which plugs into the ei150. The question I have is what do I do with the 2nd blue wire...