GE 521BXT

I think that this smoke detector might be intended for use in security systems.

Also in the collection
Simplex 2901-9833

Simplex 2901-9833

Category :
One more duplicate of the Simplex 2901-9833. I don’t know if these horns really do break this easily or if...
Simplex 4251-20

Simplex 4251-20

Category :
This was the original Simplex Tbar. The Simplex 2099-9754 is the updated version of it.
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