System Sensor 2151

This smoke detector is fairly rare.

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

Also in the collection
Wheelock MT-12/24

Wheelock MT-12/24

Category :
This signal, I believe, can be used for general application purposes, as well as fire protection.
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