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How to Turn Off Your Water Supply: A Step-by-Step Guide

If you’re a homeowner or a renter, knowing how to turn off your water supply is essential knowledge. There are several reasons why you might need to do this, such as a plumbing emergency, a leak, or if you’re going away for an extended period.

Turning off your water supply can prevent damage to your property and save you money on your water bill.

The process of turning off your water supply may vary depending on the type of property you live in and the location of your stopcock.

In most cases, the stopcock is located near the boundary of your property, and you’ll need a special key to turn it off. However, some properties may have a stopcock located inside the house, which is usually located under the kitchen sink or in a cupboard.

If you’re not sure where your stopcock is located, it’s a good idea to find out before you need to use it. You can check your property’s plans or ask your landlord or estate agent.

Once you know where your stopcock is located, it’s a good idea to test it to make sure it’s working correctly. This way, you’ll be prepared in case of an emergency.





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    Locating Your Main Water Valve

    When it comes to turning off your water supply, the first step is to locate your main water valve. This valve is responsible for controlling the flow of water into your property, and it’s important to know where it is in case of an emergency.

    Inside the Property

    The main water valve is usually located inside your property, and it’s typically found near the point where the water supply enters your home. The most common location for this valve is under the kitchen sink or in a utility room. It may also be located in a basement or crawl space.

    Once you have located the valve, you can turn it off by turning the handle clockwise. If you’re unsure which way to turn the valve, look for an arrow or a label that indicates which direction is off.

    Outside the Property

    In some cases, the main water valve may be located outside your property. This is more common in older properties or in areas where the water supply enters the property from the outside.

    To locate the valve, look for a small metal cover in your garden or driveway. Lift the cover to reveal the valve, which is usually a round handle that can be turned clockwise to shut off the water supply.

    It’s important to note that turning off the main water valve will cut off the water supply to your entire property, including all appliances and fixtures. If you’re only looking to turn off the water to a specific area, such as a bathroom or kitchen, you’ll need to locate the isolation valve for that area instead.

    Turning Off Water Inside Your Home

    If you need to turn off the water supply to your home, there are a few methods you can use. In this section, we’ll cover two of the most common methods: using the stopcock and isolating individual appliances.

    Using the Stopcock

    The stopcock is the main valve that controls the flow of water into your home. It’s usually located near the point where the water supply enters your property. In most homes, you’ll find the stopcock under the kitchen sink or in the bathroom.

    To turn off the water using the stopcock, you’ll need to locate it first. Once you’ve found it, turn the valve clockwise until it stops. This will shut off the water supply to your entire home.

    Isolating Individual Appliances

    If you only need to turn off the water to a specific appliance, you can do so by isolating it. Most appliances, such as washing machines and dishwashers, have their own isolation valves. These valves are usually located near the appliance itself.

    To turn off the water to an individual appliance, locate the isolation valve and turn it clockwise until it stops. This will shut off the water supply to that appliance only.

    Remember to turn the isolation valve back on once you’ve finished using the appliance. Failure to do so could result in a burst pipe or other water damage.

    Shutting Off Water Outside

    If you need to shut off your water supply outside, there are a few things you need to know. Here are some tips to help you do it safely and effectively.

    Street Valve Access

    Most homes have a street valve that controls the water supply to the property. This valve is usually located in a box on the pavement outside your home. To access the valve, you may need to use a special tool called a valve key. You can buy a valve key from most hardware stores.

    To shut off the water supply, insert the valve key into the valve box and turn it clockwise until it stops. This will shut off the water supply to your home. It’s important to note that turning off the street valve will also turn off the water supply to any other homes that share the same supply.

    Special Tools Required

    In some cases, you may need special tools to shut off your water supply outside. For example, if you have a water meter, you may need to use a meter key to shut off the supply. Meter keys can be purchased from most hardware stores.

    If you’re not sure what tools you need, contact your water company for advice. They can provide you with information on how to shut off the water supply to your home and what tools you may need.

    Remember, shutting off your water supply outside should only be done in emergency situations or when you need to carry out repairs. If you’re not sure what to do, contact a professional plumber for advice.

    Restoring Your Water Supply

    Once you have completed your plumbing repairs, it is time to restore your water supply. Here are the steps you need to follow:

    1. Close all the taps and faucets in your house. This is important to ensure that air does not get trapped in the pipes when you turn the water supply back on.
    2. Slowly turn the main valve back on. This will allow water to flow back into your pipes. Do not turn the valve on too quickly as this could cause a surge of water that may damage your pipes.
    3. Once the valve is fully open, turn on the taps and faucets in your house one by one. This will help to flush out any air that may have gotten trapped in the pipes. Let the water run for a few minutes until it flows smoothly and without any sputtering.
    4. Check for any leaks or drips around the plumbing fixtures in your house. If you notice any leaks, turn off the water supply immediately and call a professional plumber to fix the problem.
    5. Finally, make sure that you have turned off any taps or faucets that you turned on to flush out the air from the pipes. Leaving them on could waste water and cause your water bill to go up.

    Frequently Asked Questions

    What is the procedure to shut off the water supply to bathroom fixtures?

    To turn off the water supply to bathroom fixtures, you need to locate the isolation valve that controls the water flow to the bathroom. This valve is usually located near the bathroom, and it can be turned off by turning the valve handle clockwise. If you can’t find the isolation valve, you can turn off the main water supply to your house.

    How do I turn off the water supply beneath a sink?

    To turn off the water supply beneath a sink, you need to locate the isolation valve that controls the water flow to the sink. This valve is usually located under the sink, close to the wall. You can turn off the valve by turning the handle clockwise until it stops. If you can’t find the isolation valve, you can turn off the main water supply to your house.

    What should be done if the stopcock is closed but water continues to flow?

    If the stopcock is closed, but water continues to flow, there’s likely a problem with the valve. You should contact a plumber to fix the problem. Don’t force the valve, as this could cause damage to the valve or the pipes. If you can’t turn off the water supply, you should turn off the main water supply to your house and contact a plumber.

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