System Sensor 4WT-B

This 4-wire smoke detector also has a thermal heat sensor.

  • Brand
  • Model 4WT-B
  • Manufacturer System Sensor
  • Type Smoke/Heat Detector

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Simplex 4904-9139

Simplex 4904-9139

Category :
I believe that this strobe plate was designed to be used with bells, such as the Simplex 2901-9333.
Edwards 7031-92

Edwards 7031-92

Category :
This unit probably wasn’t used as a notification appliance, but instead as an indicator for a part or function of...
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