What Is A P Trap For The Sink

Because of its shape the trap retains some water after the fixture s use.

What is a p trap for the sink. The name is derived from its shape a looping configuration that looks like a sideways p the bend in the trap holds a small amount of standing water that s left behind in the drain each time the sink is used. Codes require a p trap or an s trap any place there is an open drain line that flows into the drain waste vent system. The p trap is that curved pipe that you see beneath any sink in your home. The p trap is an important component of sink plumbing that prevents toxic sewer gases from leaking into the home.

The trap that is there now has waste from the commode floating. Traps are made from abs black pvc white or brass either chrome plated or natural colored. How a p trap works. Slide the short side of the p trap onto the tailpiece that drops down from the sink drain.

If the p trap becomes only slightly clogged then you experience slow drainage in the. A drain trap is often known as a p trap. It is the addition of a 90 degree fitting on the outlet side of a u bend thereby creating a p like shape oriented horizontally. When replacing a p trap you should use the same type of trap you remove.

Follow these steps to install the p trap. If the p trap doesn t align with the drain that comes out of the wall you may have to cut the tailpiece that protrudes from the pop up assembly to install the p trap. For example as the water empties from a sink it goes through the p trap on to the. As the name implies the drain waste vent system removes solid liquid or gas waste from the home through drains and vents.

In the united states traps are commonly referred to as p traps. Like a p trap an s trap has an inverted. Traps come in 1 1 4 inch standard bathroom sink or 1 1 2 inch standard kitchen sink inside diameter sizes. The length of the tailpiece that connects the drain to the trap depends on a.

It is also referred to as a sink trap because it is installed under most sinks. The maximum distance between the sink drain and the p trap is 24. Unfortunately the trap s water trapping ability extends to hair grease debris and soap scum. In some instances however the drain pipe rises up from under the sink and it used to be the practice to connect the fixture to the drain with an s trap.