main shutoff
Primary supply control
The main shutoff is a valve that controls the primary flow of water, gas, or another utility into a building.
Knowing where the main shutoff is located lets you cut supply in emergencies—burst pipes, gas leaks, or before major repairs: The plumber asked where the main shutoff was.
Also called the main shutoff valve.
- valveFluid flow controller
- cutoffPoint of termination
- emergencySerious sudden danger
- emergency shutoffImmediate stop control
- gasFormless, expanding substance
gas line · water · water supply · lever · handle · basement · meter · plumbing · pipe · burst pipe · turn · turn off · clockwise · wrench · flood · leak · burst · supply
- power offswitch off, power down, unplug, power cut
- valvesball valve, butterfly valve, gate valve, check valve, stop valve
main, mainly, mains, mainland, mainlands, mainstream, mainstreams, mainstreamed, mainstreaming