Installing P Trap For Bathroom Sink

The curved pieces of drain pipe underneath your sink commonly referred to as p traps do a lot of dirty work.

Installing p trap for bathroom sink.

If you install the p trap backwards you don t get the velocity. Step 5 install the p trap. With your pedestal sink on the wall you can install the p trap. We initially show the p trap bac.

In order to connect the p trap you ll need a trap adapter that needs to be glued onto the pipe in the wall. Now install the new p trap. The shape of the p trap when installed this way takes advantage of the brachistochrone property of the cycloid shape. 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.

Then on the trap s tailpiece screw the nut and gasket onto the. The u shape of this pipe is the trap that retains enough water to prevent sewer gases from entering the bathroom. Over time they leak become corroded or get pl. 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.

It should easily fit into place and the threaded ends should be wrapped with teflon tape. You can adjust the p trap sliding it up and down on the pipe that leaves the sink drain. The other end of the p trap can slide into and out of the fitting on the wall. For a new sink installation you ll typically have a piece of pipe sticking out of the wall.

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. When replacing a p trap you should use the same type of trap you remove.