What Is A P Trap For The Sink

The length of the tailpiece that connects the drain to the trap depends on a.

What is a p trap for the sink.

Slide the short side of the p trap onto the tailpiece that drops down from the sink drain. When replacing a p trap you should use the same type of trap you remove. A drain trap is often known as a p trap. 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.

Jim wilson on september 9 2019 at 11 37 am does there need to be a trap in the 4 inch waste line from my bath to the main sewer if the appliances in the bath are trapped. Follow these steps to install the p trap. How a p trap works. The p trap is that curved pipe that you see beneath any sink in your home.

As the name implies the drain waste vent system removes solid liquid or gas waste from the home through drains and vents. The trap that is there now has waste from the commode floating. The p trap is an important component of sink plumbing that prevents toxic sewer gases from leaking into the home. For example as the water empties from a sink it goes through the p trap on to the.

This makes a p trap the number one location of clogs in the sewer system. 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. Unfortunately the trap s water trapping ability extends to hair grease debris and soap scum. Traps come in 1 1 4 inch standard bathroom sink or 1 1 2 inch standard kitchen sink inside diameter sizes.

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. In the united states traps are commonly referred to as p traps. 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. Because of its shape the trap retains some water after the fixture s use.

Traps are made from abs black pvc white or brass either chrome plated or natural colored. Like a p trap an s trap has an inverted. 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. The maximum distance between the sink drain and the p trap is 24.