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In this article, we"ll show you how to replace the water valve under your kitchen sink. This simple repair is easier than you might think, and should only take a couple of hours. But before we get started, let"s review the steps involved. To replace the water valve under the sink, you"ll need to remove the old one and replace it with a new one. You"ll need to remove the water supply tube first, so you can access the lower compression nut. The new valve will then attach to the nut and ferrule.

Turn off the main water valve

If the water valve under your black sinks in kitchens is leaking, it"s likely that it"s a leaky one. To fix a leak, you"ll need to disconnect the water supply. To do this, turn off the main water valve. To replace the valve, turn off the water valve"s main valve. If the leak is coming from a water line, replace the valve with a new one.

Next, locate the shut-off valve. Most kitchens have two shutoff valves, one for hot water and one for cold water. To identify these valves, you"ll need to know which one controls which type of water. You can easily spot them by their oval shapes. Once you find them, you can install the new shut-off valve. The replacement part is usually easily available at a home improvement store.

Need an adjustable wrench

The new water valve should be easy to install. To install it, you"ll need to find a pipe wrench and an adjustable wrench. Take care not to overtighten it. Once you"ve got the new valve on, connect the water supply tube to the faucet. Once the valve is firmly in place, turn on the water to the faucet and test it to see if it leaks. If the leak is only small, tighten the compression nut to fix it.

Install the new valve

To install the new valve, remove the packing. Then, attach it to the water supply pipe. Secure it with the compression nut. Make sure not to overtighten the nut because it can damage the pipe. After the valve is firmly in place, reconnect the water supply line to the new valve. Once you"ve secured the pipe, you"re ready to connect the water supply line to the new valve.

The valve closest to the wall is often made of chrome-plated brass. If the valve is made of brass, it will usually be a straight stop valve. It is marked with a large compression nut. It can be purchased at any hardware store. But it may be hard to locate one of these at a low price. If you have the tools necessary, it"s a quick and easy fix for the problem.

In addition to removing the old valve, you can install a compression shutoff valve under the sink. These are simple to install and are easy enough for most homeowners to do. However, it is important to make sure you have a new supply line. If your old supply tube is corroded, it is better to replace it with a new one. Standard compression valves cost about $7. When you need to replace the valve, you should measure the length of the stub-out tube.