A plumbing system includes various water shutoff valves to allow you to turn off water flow during emergencies or for repairs. Shutting off the water is usually the first step in many plumbing projects. So knowing where your home’s shutoff valve is and how to use it can help with many household repairs.

Most homes have exterior faucets with a shutoff valve inside the house. However, these valves may be located at ceiling level near the outside faucet in older homes. Newer houses have valves near the main water valve that are labeled clearly. If you are unsure where your home’s shutoff valve is, consult a professional plumber or check with your local utility company.

Why Is It Necessary to Shut Off the Main Water Valve?

Even if a water main breaks in a house, the water pressure will continue to power the faucets and appliances. Until the water supply is cut off, the flow will continue indefinitely. If the water flow is not stopped and the main valve is not turned off, it can really cause extensive damage to your home and belongings. The pressure in the pipes will increase rapidly, causing burst pipes and flooding. This can damage walls, floors, furniture, or appliances such as washing machines and dishwashers.

It’s unlikely that you’ll want to stop running away from the water in a moment of panic and try to locate the valve. If you can pinpoint it now, you can rest assured and be prepared for the worst.

Instructions for Turning Off the Water Supply.

You may require the following tools to turn off an outdoor main water valve:

  • You will need a socket wrench to remove a security bolt that keeps the cover down. Alternatively, you could try contacting your local municipal water supply company to access the cover.
  • To remove the cover, you might need to use a screwdriver.
  • A water meter key is an ideal instrument for adjusting the majority of main water valves.
  • Channel locks will suffice if you do not have a water meter key.

After you take off the top, look inside the compartment to discover the shutoff valve for the water supply leading to your home. To close the valve, use pliers to twist it closed or a meter key to turn it off. Turning the valve clockwise will turn off the water supply to your residence.

The Bottom Line

Turning off the main water supply is the first step in fixing the issue. Before turning on the water again, ensure the problem has been repaired, and the leak has been located. Call New Flow Plumbing anytime for assistance with your plumbing needs, whether you’re just starting or have a significant problem. We have the experience and knowledge to make sure your plumbing problems are taken care of quickly and efficiently. We provide emergency plumbing services 24/7 and can be at your home in as little as an hour. Our expert technicians are trained to handle any emergency or preventative maintenance issue you may have with your plumbing system.


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