Siemens U-MHT-S17

The more I look at this alarm, the uglier it gets.

Also in the collection
Simplex 477-669

Simplex 477-669

Category :
Oddly enough, the model number on this particular smoke doesn’t fit the typical pattern for Simplex devices.
EST 882-2B

EST 882-2B

Category :
This unit has an electronic horn rather than an electromechanical mechanism.
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