Some bathroom and kitchen sinks have “S” traps like this one that drain into the floor. It’s important that sewer gas doesn’t get trapped in them. Proper venting of drain lines ensures that a small ...

Q. My new kitchen is going to have a large island with my double-bowl sink in it. The young plumber and my contractor want to use some newfangled thing that just fits under the cabinet. They call it ...

Q. For a month, it's been taking longer and longer for the water to drain from my bathroom sink. This morning the murky water is just standing there, not budging and defying my commands to exit my ...

One of the innovations that make indoor plumbing possible is sink traps. These curved drain pipes prevent sewer gasses and odors from entering the house. A U-shaped section of the drain pipe fills up ...