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When an old valve needs to be replaced, a faucet leaks, or a toilet needs to be removed, the water must be turned off to avoid flooding the immediate vicinity. Use this guide to learn where to find the main shut-off valve and how to turn off the water in your house. The main shut-off valve to the home stops the flow of water into the home, effectively turning off water completely in the house. The valve should work properly without you needing to rely on any emergency plumbing tools. If you find that it is seized or that the valve doesn’t completely shut off the water to the home, then you should contact a plumber to replace the valve.
Gate Valve
Confirm that it's indeed a thermostatic valve by checking out if it has a dial with numbers on it. There are different boiler types, and the approach you use to turn off the supply will depend on whether you use indirect or direct feed. If yours is a combi boiler with a direct water supply, you'll shut it off by closing the main stop valve.
Q. Does shutting off the water affect the water heater?
First, turn the taps on your kitchen sinks shut off valve to the off position. Inside the cabinet under the sink, you'll see a large PVC pipe with a vertical bend entering the back wall horizontally. Furthermore, it's a safe practice to turn off your water supply entirely before you leave the house. Doing this won't stop the water already flowing in the pipes, but you'll substantially reduce the risk of flooding. If you find your boiler leaking all over your house, the next move should be to shut off your water supply to this appliance to minimise water damage.
Release the Pressure From Your Plumbing
Temperature sensors, which come in battery-operated models and wired versions, turn on or off any device plugged into them depending on the air temperature. A lamp plugged into the sensor will turn on when the temperature inside the house falls below a certain level, alerting a neighbor to call you or a service person. When you’re looking for the shutoff valve, take some time to inspect the supply lines too.
Turning off the water to the home is essential for many plumbing repairs and renovation tasks. Find out more about how to operate this valve with the answers to some of the most frequently asked questions below. Grip the handle of the valve firmly and apply pressure in the correct direction to turn the valve. Go slow and do your best to avoid squeezing too tightly, applying too much force to the stem, or otherwise damaging the valve. If it remains seized, then you will need to speak to a plumber to have the main valve repaired before proceeding. Generally, the tank's pressure corresponds with the water pressure.
The above insights will help you identify the location of respective valves in your home and how to turn off your water supply to minimise extra water damage. Notably, restricting the water supply cannot affect your hot water boiler operation. When you're not around, a hydronic heating pipe burst might not be as severe as that of a typical domestic water pipe. After locating the valve, you'll turn the lever clockwise to disconnect the water. A quarter-turn is enough to close it, and it should line perpendicularly with the pipe. First, check your property boundary for an eight-inch plastic or iron cover.
As a former realtor, general contractor and greenhouse operator, Kristi has touched nearly all aspects of homeownership, from the foundation up. Today, Kristi is a full-time investing and real estate journalist working with notable publications such as Forbes, US News and World Report and The Motley Fool. However, it is best to immediately call your HVAC servicing company or your plumber so they can help talk you through which valve to shut off.
How to Turn Off Water at the Water Meter
If you have a ball valve, turn the handle so that it’s 90 degrees to the pipe, forming a “T” shape. If you can’t spot the valve after circling the home a couple of times, it may be in a utility box in the yard. You must be authorized by the local water utility to use this valve. Otherwise, you need to contact the utility directly to have them operate the valve.
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On an Exterior Wall
On top of the boiler, you'll find the lever valve, also known as the ball valve. Give it a quarter turn to make it lie perpendicular to the pipe. You can also follow your home's main water pipe to locate the valve then close the meter using your hand. But if it can't turn, an adjustable pipe wrench will be helpful. If the weather is severely cold, water inside pipes can freeze, causing them to expand and burst. When this happens, you'll have to learn how to turn off the water main shutoff valve as fast as possible to prevent additional damages.
Also, avoid applying excessive force when handling plumbing fixtures to prevent problems that will require repair. Shutting off your water at this location is only done as a last resort. In some situations, this means finding the water valve for the specific faucet or pipe you’re having trouble with and shutting it off. For other things, however, you will want to turn off the water throughout the house.
Chances are you'll likely have to turn off your home's water supply at some point. You may have to do this because you're planning a long trip or you've scheduled a plumbing repair. Then there are emergencies like a flooded bathroom, leaking water heater, broken toilet water supply, or a pipe burst, where you'll have limited time to react.
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