## How to Replace Kitchen Sink Plumbing
Replacing the plumbing under your kitchen sink is a relatively simple project that can be completed in a few hours. By following these step-by-step instructions, you can save yourself the cost of hiring a plumber.
### Tools and Materials
Before you begin, gather the following tools and materials:
* New kitchen sink
* New sink drain assembly
* Pliers
* Adjustable wrench
* Bucket
* Plumber’s putty
* Teflon tape
* Utility knife
* Flashlight
### Step-by-Step Instructions
**1. Turn off the water supply.**
The first step is to turn off the water supply to your sink. This is typically done by closing the shut-off valves located under the sink. If you do not have shut-off valves, you will need to turn off the main water supply to your home.
**2. Disconnect the old drain assembly.**
Once the water is turned off, you can disconnect the old drain assembly. To do this, simply unscrew the nuts that hold the drain in place. Be careful not to drop the nuts into the drain.
**3. Remove the old sink.**
Once the drain is disconnected, you can remove the old sink. To do this, carefully lift the sink up and out of the countertop. Be sure to support the sink with your other hand so that it does not fall and break.
**4. Clean the countertop.**
Before installing the new sink, take a few minutes to clean the countertop. This will help to ensure a good seal between the sink and the countertop.
**5. Install the new sink.**
Once the countertop is clean, you can install the new sink. To do this, simply place the sink in the hole in the countertop and lower it into place. Be sure to center the sink evenly in the hole.
**6. Apply plumber’s putty to the drain.**
Before installing the new drain assembly, you will need to apply plumber’s putty to the drain. To do this, simply roll out a small piece of plumber’s putty into a rope and then wrap it around the base of the drain. Be sure to smooth out the putty so that it creates a watertight seal.
**7. Install the new drain assembly.**
Once the plumber’s putty is in place, you can install the new drain assembly. To do this, simply screw the nuts onto the drain until they are snug. Be careful not to overtighten the nuts, as this could damage the drain.
**8. Connect the water supply lines.**
Once the drain assembly is installed, you can connect the water supply lines. To do this, simply screw the water supply lines onto the shut-off valves. Be sure to use Teflon tape on the threads of the water supply lines to create a watertight seal.
**9. Turn on the water supply.**
Once the water supply lines are connected, you can turn on the water supply. Check for leaks under the sink and around the drain. If there are any leaks, tighten the nuts on the water supply lines or the drain until the leaks stop.
**10. Test the sink.**
Once the water supply is turned on, test the sink to make sure that it is working properly. Run the water for a few minutes and check for any leaks. If there are no leaks, your new kitchen sink plumbing is complete.
### Tips
* If you are not comfortable working with plumbing, it is best to hire a plumber to replace your kitchen sink plumbing.
* Be sure to turn off the water supply before you begin working on the plumbing.
* Use Teflon tape on all of the threaded connections to create a watertight seal.
* Check for leaks after you have completed the installation.
* If you have any questions, consult a qualified plumber.
### Frequently Asked Questions
* **How much does it cost to replace kitchen sink plumbing?**
The cost of replacing kitchen sink plumbing will vary depending on the type of sink and drain assembly you choose. However, you can expect to pay between $100 and $300 for the parts and labor.
* **Can I replace kitchen sink plumbing myself?**
Yes, you can replace kitchen sink plumbing yourself if you are comfortable working with plumbing. However, if you are not comfortable working with plumbing, it is best to hire a plumber.
* **How long does it take to replace kitchen sink plumbing?**
Replacing kitchen sink plumbing typically takes between 1 and 2 hours. However, the time it takes will vary depending on the type of sink and drain assembly you choose.
* **What are the most common problems with kitchen sink plumbing?**
The most common problems with kitchen sink plumbing include leaks, clogs, and dripping faucets. Leaks can be caused by a variety of factors, including loose fittings, damaged pipes, and worn-out gaskets. Clogs can be caused by food, hair, and other debris that gets stuck in the drain. Dripping faucets can be caused by a variety of factors, including worn-out washers, damaged O-rings, and leaking valves.