How to Plumb a House

Step 1: Plan Your Plumbing System

The first step in plumbing a house is to plan your plumbing system. This includes determining the location of all of your fixtures, such as sinks, toilets, showers, and tubs, as well as the size and type of pipes you will need. You will also need to decide where to place your water heater and main water shutoff valve.

Step 2: Install the Main Water Line

The first step in installing your plumbing system is to install the main water line. This line will run from your water meter to your main water shutoff valve. The size of the main water line will depend on the size of your house and the number of fixtures you have.

Step 3: Install the Drain Lines

The next step is to install the drain lines. These lines will carry wastewater from your fixtures to your septic tank or sewer system. The size of the drain lines will depend on the size of your fixtures and the amount of wastewater they will produce.

Step 4: Install the Water Fixtures

Once the main water line and drain lines have been installed, you can install the water fixtures. This includes sinks, toilets, showers, and tubs. Be sure to follow the manufacturer's instructions when installing each fixture.

Step 5: Connect the Water Supply Lines

The next step is to connect the water supply lines to the water fixtures. The water supply lines will run from the main water line to each fixture. Be sure to use flexible supply lines that are approved for potable water use.

Step 6: Connect the Drain Lines

The next step is to connect the drain lines to the fixtures. The drain lines will run from each fixture to a drain stack. The drain stack will then carry the wastewater to the septic tank or sewer system.

Step 7: Test the Plumbing System

Once all of the plumbing fixtures have been installed and connected, you need to test the plumbing system. This can be done by turning on the water supply and checking for leaks. You should also check to make sure that all of the drains are working properly.

Step 8: Add the Finishing Touches

The final step in plumbing a house is to add the finishing touches. This includes installing trim around the fixtures, caulking any gaps, and painting the plumbing system.