Installing P Trap For Bathroom Sink

The near vertical drop allows the waste water draining from the sink to enter the trap with a lot of speed so that the trap self scours.

Installing p trap for bathroom sink.

When replacing a p trap you should use the same type of trap you remove. Step 5 install the p trap. Since my pipes are abs i m using abs cement i simply swab the inside of the trap adapter with some cement and do the same for the outside of the drain making sure to fully coat both. For a new sink installation you ll typically have a piece of pipe sticking out of the wall.

The u shape of this pipe is the trap that retains enough water to prevent sewer gases from entering the bathroom. The shape of the p trap when installed this way takes advantage of the brachistochrone property of the cycloid shape. You can adjust the p trap sliding it up and down on the pipe that leaves the sink drain. Over time they leak become corroded or get pl.

Then on the trap s tailpiece screw the nut and gasket onto the. If you install the p trap backwards you don t get the velocity. The curved pieces of drain pipe underneath your sink commonly referred to as p traps do a lot of dirty work. When the p trap is placed in its right position slide the nut over the gasket and screw it down on the sink s tailpiece.

Traps come in 1 1 4 inch standard bathroom sink or 1 1 2 inch standard kitchen sink inside diameter sizes. We initially show the p trap bac. It should easily fit into place and the threaded ends should be wrapped with teflon tape. Here we show you how to perform your plumbing p trap installation when the bathroom sink drain doesn t line up.

With your pedestal sink on the wall you can install the p trap. Traps are made from abs black pvc white or brass either chrome plated or natural colored.