How Do I Shut Off The Main Water Supply To My House? | Tips From Mr. Rooter Plumbing


Here’s a quick tip for homeowners out there. At Mr. Rooter® we realize how important it is to know how (and where) to shut off your home’s water supply. Knowing how to use the water shut off valve can help prepare you for household water leaks, burst or broken plumbing pipes or natural disasters. If you take a few minutes to learn the procedure now, you’ll be ready to prevent a flood in your house. A burst pipe could cause thousands of dollars in property damage and leave you with sky high water bills in the event of a serious leak or broken pipe. To turn off your home’s water supply, follow these simple steps:

1. Locate your main water shut off valve.
• You may find the valve in the basement or crawl space below your house, on a wall near the front.
• If your home is on a slab, the valve may be near your water heater or in the garage.
• If you don’t find the supply valve in any of those spots, look for a water pipe entering your house and attempt to follow it.
• Alternatively, find the shutoff valve outside, near the street in front of your home, in a covered water meter box buried in the ground.
• If all else fails, call Mr. Rooter to help you locate the valve.

2. If you found the water shut off valve inside your house, turn it off.
• Just turn the valve to the right (clockwise) as far as it goes, with a wrench.

3. If you located the water meter box near the street, you can shut off the water supply from there instead.
• The valve closest to your house is the one you want.
• To turn off the water supply from here, you’ll need a meter key. You can purchase one at your local hardware store. A meter key is a T-shaped metal object.
• You could also use a crescent wrench and a screwdriver instead of a meter key for this task.
• Turn the meter valve all the way to the right (clockwise) with the wrench or meter key. Your home’s water supply should now be off.

4. Release pressure from your pipes.
• Turn on a hot and a cold tap until they run dry.

5. Store the tools (crescent wrench and screwdriver or water meter key) in a safe, convenient place.

6. Tell other adults where to find them and how to handle the water shutoff.

That’s it! You’ve learned how to turn off your home’s water supply if necessary in an emergency. You’re prepared to save your home and property from damage and contain your water bill in case of a water leak on your property–and save yourself a lot of stress.

If you need to find your water shut off valve or meter (or have any other plumbing problem), call on a professional from Mr. Rooter. We offer complete residential plumbing services including installation, repairs and maintenance of toilets, sinks, drains, showers, sewer systems and water fixtures. Emergency services are available 24/7. Call Mr. Rooter at 877-422-4826 or visit today!

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