Are you looking to upgrade your bathroom sink or replace old plumbing? Installing plumbing under a bathroom sink may seem like a daunting task, but with the right tools and steps, it can be done easily. In this guide, we will take you through the process of installing plumbing under a bathroom sink step by step. Let's get started!Install plumbing under bathroom sink step by step
Before starting the installation process, make sure you have all the necessary tools and materials. This includes a pipe wrench, adjustable wrench, plumber's putty, PVC pipes, P-trap, and a sink drain assembly. Once you have everything, follow these steps for a successful plumbing installation under your bathroom sink.How to install plumbing under bathroom sink step by step
The first step is to turn off the water supply to your bathroom sink. You can usually find the shut-off valve under the sink or near the main water supply line. Turn the valve clockwise until it is fully closed. This will prevent any water from flowing while you work on the plumbing.Step 1: Shut off the water supply
If you are replacing old plumbing, you will need to remove it before installing the new one. Use a pipe wrench to loosen and remove the old pipes. Make sure to have a bucket or towel handy to catch any excess water that may drip out.Step 2: Remove old plumbing
Take the sink drain assembly and apply plumber's putty around the drain hole. Place the drain assembly in the hole and tighten it from underneath using an adjustable wrench. Make sure it is secure and level.Step 3: Attach the sink drain assembly
Next, you will need to install the P-trap, which is a curved pipe that helps prevent sewer gases from entering your bathroom. Connect one end of the P-trap to the sink drain assembly and the other end to the wall drain. Use a pipe wrench to tighten the connections.Step 4: Install the P-trap
Now it's time to connect the supply lines. These are the pipes that will bring water to your sink. Use a pipe wrench to tighten the connections to the shut-off valves. Make sure the connections are secure and not leaking.Step 5: Connect the supply lines
Once everything is connected, turn the water supply back on and test for any leaks. If you notice any leaks, tighten the connections further or use plumber's tape to seal them.Step 6: Test for leaks
Installing plumbing under a bathroom sink can be done as a DIY project, but if you are not comfortable with plumbing work, it is always best to hire a professional. However, if you are up for the challenge, follow the steps above and make sure to read the instructions on any products you are using.DIY plumbing installation under bathroom sink
While the process of installing plumbing under a bathroom sink may seem complex, it can be broken down into easy steps. Remember to shut off the water supply, remove old plumbing, attach the sink drain assembly, install the P-trap, connect the supply lines, and test for leaks. Taking it one step at a time will make the process much more manageable.Easy steps for installing plumbing under bathroom sink