Simplex/Standard 4080 I’m not sure if this is actually a Simplex bell or a Standard bell. Although it’s labeled as Standard on the front, it has a Simplex label. Brand Simplex, StandardModel 4080Manufacturer UnknownType Alarm (Bell)
Simplex 4903-9219H Category : SimplexThis alarm is specially made for high-humidity situations such as swimming pools. That’s what the “H” in the model number...
Simplex 4904-9137 Category : SimplexThis is, in fact, a Simplex 4904-9137. It’s just missing its housing.
