Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.
You may also need a drill and a 1/2-in. bit if you need to run the water line through cabinets, as shown here.
Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.
If your pipes are steel or plastic, use that material for the tee instead of copper.