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

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

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.

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] X Expert Source David BalkanProfessional Plumber & CEO of Balkan Sewer & Water Main Expert Interview. 29 April 2021.

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

When you are finished with your work, turn the valve counterclockwise to restore the water supply to your home.

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

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

To drain the water in your building most quickly, turn on all faucets and water using fixtures, including baths and showers.