P Trap Under Bathroom Sink Plumbing Diagram

This makes our bathroom sink drain 1 5 the vent 1 5 the trap arm 1 5 and the p trap 1 5.

P trap under bathroom sink plumbing diagram.

Water runs down the sink drain into a p trap so called because it s shaped like the letter which fills up with water to prevent sewer gases and odors from getting into the house through the pipe. With your pedestal sink on the wall you can install the p trap. You can adjust the p trap sliding it up and down on the pipe that leaves the sink drain. Insert a trap nut over the sink drain tailpiece with the threads facing down insert a plastic ferrule washer beveled edge down under the nut onto the sink tailpiece.

Bathroom sink trap installation. You ve opened up the cabinets under a sink before to see the p shaped tube directly underneath the drain right. This diagram of a typical dwv system is called a plumbing tree. It s called the p trap and it starts the sewage ventilation process.

These drain pipes connect to showers sinks tubs and other appliances in order to carry water away after you re done using it. This water gets refreshed whenever more water runs through it. You will need a 1 5 trap adapter and a 1 5 plastic tubing p trap sometimes called trim trap. The u shape of this pipe is the trap that retains enough water to prevent sewer gases from entering the bathroom.

It rotted out and i m looking to replace it with a pvc solution. Looking up at the basement ceiling it looks like the bathroom sink and the kitchen sink also drain into this line and i know both those sinks have p traps directly under them. But now with the basement p trap leaking sewer smell is present at the kitchen sink and in the bathtub.