## How to Replace a Double Bowl Kitchen Sink
Replacing a double bowl kitchen sink is a relatively simple plumbing 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 professional plumber.
### Tools and Materials
* New double bowl kitchen sink
* Plumber’s putty
* Sink strainer
* Adjustable wrench
* Pliers
* Hacksaw
* Utility knife
* Measuring tape
* Level
* Caulk gun
* Caulk
### Step 1: Remove the Old Sink
1. Turn off the water supply to the sink by closing the shut-off valves under the sink.
2. Disconnect the water supply lines from the sink using an adjustable wrench.
3. Disconnect the drain lines from the sink using pliers.
4. Remove the old sink by carefully lifting it out of the countertop.
### Step 2: Prepare the New Sink
1. Place the new sink in the countertop and center it.
2. Use a level to ensure that the sink is level.
3. Apply a bead of plumber’s putty to the bottom of the sink flange.
### Step 3: Install the New Sink
1. Carefully lower the sink into the countertop.
2. Tighten the mounting nuts under the sink until the sink is secure.
3. Reconnect the water supply lines to the sink using an adjustable wrench.
4. Reconnect the drain lines to the sink using pliers.
### Step 4: Install the Sink Strainer
1. Place the sink strainer in the drain hole.
2. Tighten the strainer nut until the strainer is secure.
### Step 5: Caulk the Sink
1. Apply a bead of caulk around the edge of the sink where it meets the countertop.
2. Smooth the caulk with your finger or a caulk tool.
### Step 6: Turn on the Water Supply
1. Turn on the water supply to the sink.
2. Check for leaks around the sink and fittings.
### Tips
* If you are not comfortable working with plumbing, it is best to hire a professional plumber.
* Be sure to measure the old sink before purchasing a new one to ensure that the new sink will fit properly.
* Use caution when cutting the drain lines to avoid damaging the pipes.
* Apply a generous amount of plumber’s putty to the bottom of the sink flange to prevent leaks.
* Allow the caulk to dry completely before using the sink.
### Troubleshooting
**Leak under the sink:**
* Check the connections to the water supply lines and drain lines.
* Tighten the mounting nuts under the sink.
* Apply more caulk around the edge of the sink.
**Clogged drain:**
* Remove the sink strainer and clean it.
* Use a drain snake to clear the drain.
* Call a plumber if the drain cannot be cleared.
**Sink is not level:**
* Remove the sink and re-apply a bead of plumber’s putty to the bottom of the sink flange.
* Carefully lower the sink into the countertop and level it using a level.
* Tighten the mounting nuts under the sink until the sink is secure.