Where are the control valves that cut off the water supply located?

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Multiple Choice

Where are the control valves that cut off the water supply located?

Control valves that shut off the water supply are placed where the water first enters the sprinkler system—between the water supply source and the sprinkler system. This location lets you isolate the entire system with a single action, which is essential for maintenance or emergency shutdowns. If the valve were placed elsewhere, such as after branches or inside a specific floor or room, water could continue to flow to other parts of the system, making complete isolation impractical. The other options don’t provide a single, system-wide shutoff point, which is why they aren’t correct.

Control valves that shut off the water supply are placed where the water first enters the sprinkler system—between the water supply source and the sprinkler system. This location lets you isolate the entire system with a single action, which is essential for maintenance or emergency shutdowns. If the valve were placed elsewhere, such as after branches or inside a specific floor or room, water could continue to flow to other parts of the system, making complete isolation impractical. The other options don’t provide a single, system-wide shutoff point, which is why they aren’t correct.

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