System Sensor 2151

This smoke detector is fairly rare.

  • Brand
  • Model 2151
  • Manufacturer System Sensor
  • Type Smoke Detector (Photoelectric, 4-wire)

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Gentex GMS24-15/75WR

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Category :
The horn mechanism on this alarm is the exact same one as found on the rectangular electro-mechanical Simplex horn/strobes, such...
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