## Rerouting a Kitchen Sink Vent
### Introduction
A kitchen sink vent is an essential component of any plumbing system. It helps to prevent sewer gases from entering the home and ensures that the sink drains properly. In some cases, it may be necessary to reroute a kitchen sink vent. This can be done for a variety of reasons, such as:
* The original vent is damaged or blocked.
* The sink is being moved to a new location.
* A new addition is being built that would block the original vent.
Rerouting a kitchen sink vent is a relatively simple task that can be completed in a few hours. However, it is important to follow the steps carefully to ensure that the vent is properly installed and functioning.
### Materials Needed
Before you begin, you will need to gather the following materials:
* New vent pipe
* Vent cap
* PVC glue
* Primer
* Hacksaw
* Measuring tape
* Level
* Caulk gun
* Caulk
### Step-by-Step Instructions
1. **Turn off the water supply to the sink.** This can be done by closing the main water valve or by turning off the valves under the sink.
2. **Disconnect the old vent pipe from the sink.** Use a hacksaw to cut the pipe just below the sink drain.
3. **Measure and cut the new vent pipe to the desired length.** The vent pipe should be long enough to reach the roof or another appropriate location.
4. **Apply primer to the ends of the vent pipe and the sink drain.** This will help to create a strong bond between the two surfaces.
5. **Apply PVC glue to the ends of the vent pipe and the sink drain.** Be sure to apply the glue evenly around the entire circumference of the pipe.
6. **Insert the vent pipe into the sink drain.** Twist the pipe back and forth slightly to ensure that the glue is evenly distributed.
7. **Hold the vent pipe in place for a few minutes to allow the glue to dry.**
8. **Attach the vent cap to the end of the vent pipe.** The vent cap should be installed in a location where it will not be blocked by any obstacles.
9. **Caulk around the base of the vent cap.** This will help to seal the vent and prevent any water from leaking in.
10. **Turn on the water supply to the sink and check for leaks.** If there are any leaks, tighten the connections or apply more caulk.
### Tips
* When choosing a new vent pipe, be sure to select one that is the same diameter as the old pipe.
* If the new vent pipe is longer than the old pipe, you may need to use a support bracket to hold it in place.
* It is important to make sure that the vent cap is installed in a location where it will not be blocked by any obstacles.
* If you are not comfortable working with PVC pipe, you can hire a plumber to reroute the vent for you.
### Conclusion
Rerouting a kitchen sink vent is a relatively simple task that can be completed in a few hours. By following the steps carefully, you can ensure that the vent is properly installed and functioning.