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NOTE: This is an unformatted excerpt from our online fire protection training library.

Supervisory Initiating Devices

Other Supervision

Water Supplies

Supervisory initiating devices can be used to monitor the status of fire protection water supplies. Features that can be monitored include water supply level, temperature and pressure.

The photo shows a reservoir for a fire pump installation. If the water level in the tank drops more than 12 inches below normal a switch initiates a supervisory signal. If the temperature of the tank drops below 40°F a supervisory signal alerts personnel to take action to prevent the tank from freezing.
NOTE: This is an unformatted excerpt from our online fire protection training library.

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