Replace Shut Off Valve Under Sink

The shut-off valve under the sink is an essential part of your plumbing system. It allows you to turn off the water supply to your sink in the event of a leak or other emergency. Replacing a shut-off valve is a relatively simple task that can be completed in a few minutes.

Here are the steps on how to replace a shut-off valve under the sink:

1. Gather your materials.

You will need the following materials to replace a shut-off valve:

New shut-off valve
Wrench
Plumber's putty
Basin wrench

2. Turn off the water supply.

The first step is to turn off the water supply to your sink. This is typically done by turning the handle on the main water shut-off valve clockwise.

3. Open the faucet.

Once the water supply is turned off, open the faucet to release any remaining water in the line.

4. Remove the old shut-off valve.

Using a wrench, loosen the nuts that hold the old shut-off valve in place. Once the nuts are loose, you can remove the valve from the pipe.

5. Apply plumber's putty to the new shut-off valve.

Roll a small amount of plumber's putty into a snake and wrap it around the threads of the new shut-off valve. This will help to create a water-tight seal.

6. Install the new shut-off valve.

Screw the new shut-off valve onto the pipe by hand. Once the valve is hand-tight, use a wrench to tighten it further. Be careful not to over-tighten the valve, as this could damage the pipe.

7. Turn on the water supply.

Slowly turn the handle on the main water shut-off valve counterclockwise to turn on the water supply. Check for leaks around the new shut-off valve. If you see any leaks, tighten the valve further.

8. Finish up.

Once the water supply is turned on and there are no leaks, you can finish up by replacing the faucet handle. Turn the handle clockwise to close the faucet, and then turn it counterclockwise to open the faucet.

Replacing a shut-off valve under the sink is a relatively simple task that can be completed in a few minutes. By following these steps, you can ensure that your sink is properly shut off in the event of a leak or other emergency.