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Should your plumbing freeze in winter or it spring a leak, you'll have to stop your water supply to make repairs. You'll also need to cut off your water when replacing fixtures, changing pipes, and performing maintenance. For most jobs in-the-home jobs, all you'll need to do is switch off an indoor supply valve.
Things You Should Know
- Find the cutoff valve closest to a fixture and turn it clockwise to shut the water off before making any necessary repairs.
- Find the main shutoff valve and shut it by turning it clockwise; then, turn on all faucets and water-using appliances to flush remaining water from them.
- Contact your water company to cut the supply to your property, then find the outdoor shutoff valve, turning the handle clockwise as far as you can.
Steps
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Locate the cutoff valve closest to the fixture. Most fixtures will have an individual shut-off located beneath the fixture. [1] X Expert Source David Balkan
Professional Plumber & CEO of Balkan Sewer & Water Main Expert Interview. 29 April 2021. It will likely be a chrome valve. Sinks and showers may have two valves, one for hot and one for cold.- Some appliances, such as washing machines, dish washers, and refrigerators, may have a water shut off switch on the body of the appliance or on the hose connecting the appliance to the wall.
- To find the shut off for a water heater, look for a water cutoff valve directly above the heater on a connected pipe. [2] X Research source
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Turn the valve clockwise. This will cut off the water to the fixture. If there are separate valves for hot and cold, you'll need to turn both off. Afterwards, you'll still be able to use running water in other fixtures or appliances throughout the rest of the home.
- Old or dirty valves may be difficult to turn at first.
- If the valve is stubborn and won't turn easily, wear a work glove to protect your hand so you can turn with more force. Severe cases might require a wrench. [3] X Research source
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Make any necessary repairs. With the valve closed, the water should be shut off. You'll need to drain water remaining in the line between the valve and fixture, so keep a bucket handy. When you are finished, turn the valve counter-clockwise restore the water supply. [4] X Research source
- Gravity will cause excess water to drain. Position your bucket beneath the line or part you are repairing. When the fastener is loosened, water will drain into the bucket.
EXPERT TIPProfessional PlumberDavid Balkan is a Professional Plumber, CEO of Balkan Sewer and Water Main Service, and President of Balkan Sewer and Drain Cleaning. As a hands-on owner of these companies for over 40 years, David is knowledgeable about water service lines, sewers, and drain line issues. David is a Committee Chairman of the Master Plumbers Council and has sat on the Executive Committee of the Sub Surface Plumbers Association of New York for over 30 years. His knowledge and solution-oriented approach contributed to Balkan Sewer and Water Main Service being the largest and most trusted service in New York City and the recipient of the 2017 Angie’s List Super Service Award.Shut off fixtures before turning off the main valve. If you need to cut off the main water supply to your property, always close the valve closest to the indoor plumbing, not the main valve by the street cutoff. If you close the main valve and it breaks or has an issue, you cannot replace or repair it.
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Identify the main shut off valve. This is usually a brass valve that has a round handle. In most homes, it is located near the main water pipe leading into your home. Common locations for this pipe include the kitchen, downstairs, or a utility room. [5] X Research source
- In warmer regions, you may even find this valve outside. However, in colder climates, expect to find it inside the home.
- Always shut off the valve that's closest to the inside plumbing, as opposed to the valve that's closer to the street. [6]
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Expert Source
David Balkan
Professional Plumber & CEO of Balkan Sewer & Water Main Expert Interview. 29 April 2021.
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Shut the valve by turning it clockwise. This will cut off the stream of water flowing into your home. If the valve is stiff, wear a glove while closing it to protect your hand as you apply some elbow grease. After that, all appliances that use water will no longer work until the water is turned back on. [7] X Research source
- Fixtures or appliances with a reservoir may still have limited usage after cutting off the water. Toilets, for example, usually flush one more time even while the supply is cut. [8] X Research source
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Turn on all of the faucets to flush the remaining water in the system. Run your sinks, baths, and showers until the water stops flowing. When water's been bled from the lines completely, turn all of the faucets off. Now you can begin your plumbing repairs safely.
- When you are finished with your work, turn the valve counterclockwise to restore the water supply to your home.
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Run all water lines and water-using appliances. After restoring water to your home, run faucets for a short while to bleed air from the pipes. You'll also want to run appliances that use water, like your dishwasher and washing machine. [9] X Research source
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Contact your water company. Most companies will allow you to access the lot shutoff valve if you have a good reason. So long as you are the owner of the parcel, the following three reasons are generally considered acceptable:
- Your property water shutoff has failed and you have an emergency, such as a burst pipe.
- There is a leak in the pipe between the street shutoff and your property shutoff valve.
- You are replacing the main shutoff valve on your property. [10] X Research source
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Locate the outdoor shutoff valve. Many houses have a water meter and shut off valve located together, generally in a box with an access cover. Look for this box in the area between the street and the building.
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Lift off the cover. These covers can be quite heavy and are difficult to open by design. A standard screwdriver can be helpful prying the lid open. You may need a wrench with a long extension to access valves that are deeper. This is common practice where the weather is colder. [11] X Research source
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Look for a valve or small handle. These are the two possible types of shutoffs that you may encounter. The type of valve with a handle is called a ball valve. The kind with a wheel shaped handle is called a gate valve. [12] X Research source
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Turn a gate valve handle clockwise as far as possible. Make sure the valve is all the way closed so there is no more water flowing to the property. These valves can lock up if they have not been used recently.
- A sturdy screwdriver can be inserted in the tines of the wheel to apply additional leverage so you can break free stubborn valves.
- If a valve will not turn with a reasonable amount of pressure, do not force it. Call a licensed plumber or a public works representative to assist you. [13] X Research source
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Turn the ball valve off by spinning it a quarter of a turn. If you see a valve with metal flange, you may have to make use of a pipe wrench to turn it. When the valve is on, the handle will be aligned with the pipe. When the handle forms an L-shape with the pipe, the water is off. [14] X Research source
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Make plumbing adjustments while the water is off. However, keep in mind that there will still be water in the pipes in the house. Run the lines you wish to drain until the water stops, then those lines will be dry.
- To drain the water in your building most quickly, turn on all faucets and water using fixtures, including baths and showers.
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Expert Q&A
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QuestionCan you shut off your own water?David Balkan is a Professional Plumber, CEO of Balkan Sewer and Water Main Service, and President of Balkan Sewer and Drain Cleaning. As a hands-on owner of these companies for over 40 years, David is knowledgeable about water service lines, sewers, and drain line issues. David is a Committee Chairman of the Master Plumbers Council and has sat on the Executive Committee of the Sub Surface Plumbers Association of New York for over 30 years. His knowledge and solution-oriented approach contributed to Balkan Sewer and Water Main Service being the largest and most trusted service in New York City and the recipient of the 2017 Angie’s List Super Service Award.Yes, you can. If you're inspecting a specific plumbing issue, like a toilet or sink, turn off the valve for that particular fixture.
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QuestionIs it safe to turn off main water supply?David Balkan is a Professional Plumber, CEO of Balkan Sewer and Water Main Service, and President of Balkan Sewer and Drain Cleaning. As a hands-on owner of these companies for over 40 years, David is knowledgeable about water service lines, sewers, and drain line issues. David is a Committee Chairman of the Master Plumbers Council and has sat on the Executive Committee of the Sub Surface Plumbers Association of New York for over 30 years. His knowledge and solution-oriented approach contributed to Balkan Sewer and Water Main Service being the largest and most trusted service in New York City and the recipient of the 2017 Angie’s List Super Service Award.Yes, but be sure to turn off the valve that's closer to your inside plumbing, not the valve that's closest to the street. If that outer valve breaks, you'd have no way to shut off the water.
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QuestionWe turned the water off to the house to replace a tap, but since then the pressure to both hot and cold taps is reduced. Did we do something wrong?Community AnswerThe valve may not be open all the way or there is some sediment blocking the flow in the taps.
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Tips
- If you shut off and drain the water to your house, it's a good idea to remove the aerators (screens) inside the faucet when turning them back on. This will prevent loose dirt or debris being flushed out from clogging of your fixtures.Thanks
- Make sure everyone in your house knows how to access the main shutoff in case of a plumbing emergency.Thanks
- In some situations, your valve may be defective and not fully close, in which case you should contact a plumbing professional.Thanks
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Warnings
- Turning off the water supply for homes other than your own could be a legally prosecuted offense in some areas.Thanks
- Never turn on a city water shutoff that has been turned off for safety reasons or non-payment. This is considered a misdemeanor or felony depending on your jurisdiction.Thanks
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Things You'll Need
- Adjustable wrench
- Bucket
- Gloves (optional)
- Pipe wrench (optional; for turning off the outdoor supply)
References
- ↑ David Balkan. Professional Plumber & CEO of Balkan Sewer & Water Main. Expert Interview. 29 April 2021.
- ↑ https://www.hometips.com/repair-fix/water-shutoff-valve.html
- ↑ https://www.bhg.com/home-improvement/plumbing/how-to-shut-off-water/
- ↑ https://lifehacker.com/home-plumbing-projects-you-can-totally-handle-yourself-1693471731
- ↑ https://lifehacker.com/home-plumbing-projects-you-can-totally-handle-yourself-1693471731
- ↑ David Balkan. Professional Plumber & CEO of Balkan Sewer & Water Main. Expert Interview. 29 April 2021.
- ↑ https://www.bhg.com/home-improvement/plumbing/how-to-shut-off-water/
- ↑ https://www.benjaminfranklinplumbing.com/blog/how-to-flush-the-toilet-when-the-water-is-off
- ↑ https://lifehacker.com/home-plumbing-projects-you-can-totally-handle-yourself-1693471731
- ↑ https://www.oneprojectcloser.com/main-cutoff-water-valve-street/
- ↑ https://www.amarillo.gov/?page_id=1233
- ↑ https://www.finehomebuilding.com/2012/11/08/whats-the-difference-shutoff-valves-ball-gate-and-globe
- ↑ https://www.amarillo.gov/?page_id=1233
- ↑ https://utilities.bellevuewa.gov/manage-your-utility-services/water/how-to-turn-off-your-water/
About This Article
Article Summary
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To turn off your water supply quick and easy, find the main shut off valve for your home, which is usually located in the kitchen, basement, or utility room. If you can't find the valve inside, it may be outdoors near the main water pipe that leads into your home. Once you've found the valve, turn it clockwise to shut off the water supply. Then, turn on all of the faucets in your home to flush out any remaining water in the pipes. If you want to learn how to turn off the water supply to an individual fixture, keep reading the article!
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