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Photoelectric & Thermal Smoke Detector - 4 Wire

  • Incorporates a state-of-the-art optical sensing chamber and an advanced microprocessor.
  • Mounts to octagonal and single-gang back boxes, 4-square back boxes, or direct to ceiling.
  • Thermal detectors feature a restorable, built-in, fixed temperature(135°F) thermal detector and are capable of sensing a freeze condition if the temperature is below 41°F.
  • Installation is simplified by the use of a mounting base that may be pre-wired to the system.

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