Simplex 4255-1

This is a moderately old heat detector.

  • Brand
  • Model 4255-1
  • Manufacturer Chemtronics
  • Type Heat Detector

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Amseco FS1-1

Amseco FS1-1

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I have another version of this alarm with an attached strobe.
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Unknown Abort

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I have no clue who makes this switch or what its model number is.
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