Traps are the J-shaped devices connected to the bottom of sinks and bathtubs. The most common type, installed under most house sinks, is referred to as a "P-Trap." They retain about a cup of water in ...

Curious about P-traps, how they function and what to look for when you buy one? Here's what you need to know.

Connected to the bottom of your sink you will find a J-shaped device called a "trap." A trap retains about a cup of water that blocks sewer gas from moving from the drain system into the house via the ...

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 ...