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Plumbing TermShutoff Valve
/shut-off valv/
A valve used to stop water flow to a fixture or building.
Full Definition
A shutoff valve is used to stop water flow to a specific fixture, appliance, or the entire building. Every home has multiple shutoff valves at different points in the plumbing system.
Types of shutoff valves:
- Main shutoff - Controls all water entering the home
- Fixture shutoffs - Located under sinks and behind toilets
- Appliance shutoffs - For water heaters, washing machines, etc.
Common Usage
“Turn the shutoff valve to stop water flow before repairs.”
Did You Know?
Regular testing of shutoff valves can prevent water damage during emergencies.