How To Install A Bathroom Sink Drain Pipe

Make sure the horizontal pipe slopes at a rate of 1 8 to 1 4 inch per running foot.

How to install a bathroom sink drain pipe. A bathroom sink pop up stopper is a very convenient feature and while the installation is usually easy occasionally the process is complicated due to variations in the fixture or fittings. Put the tailpiece washer into the flared end of the tailpiece then attach the tailpiece by screwing the slip nut onto the sink strainer. If not add a tailpiece to make up the distance cutting it to the needed length. Add clips to secure the sink if required then add the faucet by screwing it on clockwise.

If it is you ll see a 2 inch plastic pipe stubbing out of the wall under. The drain line for the toilet should be either a 3 inch 7 62 cm or 4 inch 10 16 cm line. Does your sink have a pop up drain. Learn how to replace it.

If you re installing a brand new drain on an unused sink you can skip straight to preparing your plumber s putty for the area around the drain hole. After you attach the pipe to the toilet drain the pipe should slope downwards toward the main drain line. By the time you install a vanity cabinet and drop the sink into it the rough in plumbing for the drain should be done. In this episode of repair and replace stephany shows how to replace a drain in a bathroom sink.

Otherwise install a drain elbow instead of a tee. The p trap is the curved section of pipe at the base of the sink s plumbing. Next put a thin bead of silicon around the lower lip of the sink and set the sink in place. Before you install a bathroom sink turn off the water supply and remove the old sink.

The sink drain starts as a tailpiece and may reach the p trap without additional parts. This video shows how to assemble drain pipes under a sink. The sink drain line will be 1 5 inches 3 81 cm and the bathtub will use a 2 inch 5 08 cm drain line. If the pipe will be accessible install a cleanout on the fitting for the tub.