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Preventive Maintenance

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  • Test and calibrate alarm sensors, such as flame and smoke detectors, per manufacturer specifications. This requires knowing about the different sensors and their testing requirements, failure modes, and re-installation requirements.
  • Simulate inputs and test the annunciators. This requires specific knowledge of the system under test.
  • Set sensitivity. This requires an understanding of the particular system, the specific application, and fire detection theory.
  • Coordinate with monitoring company to test the input to their system.
  • Check the battery for corrosion and expiration date, then take appropriate action, if necessary.


Fire Extinguishers

Risers & Sprinklers

Kitchen Systems

Fire Alarms

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GNA-Brook Fire Protection Inc.
CO2 Carbonics & Supplies Co.
117 S. Vermont Ave.
Glendora, CA 91741