My renters absconded with one of my smoke detectors but left the mounting
plate on the wall.
It is battery and AC wired.
Nameplate says GBK Electronics.
Unable to find.
Where can I buy?
Seamus J. Wilson
I don't find GBK on Google, there is however a Spanish firm, GBK
Electronics, that makes sports-related timing products.
Are you sure you read that correctly?
It might just be better to get any brand of wired/battery smoke alarm, and
removed the old base, since companies likely don't sell half-units, anyway.
Make sure you check the voltage on the feed wire, first.
More likely it's "BRK Electronics" the company behind the First Alert brand, and
many OEM smoke alarms.
As someone else said, if it's not connected (other than power) to another alarm,
then any similar alarm will do.
If they are interconnected (often done with security systems) then you will
need to consult the company. I had an smoke alarm fail, only to find that it
was no longer made, and had to replace several with a newer self-compatible
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