Kitchen Sink Drain Through Floor Or Wall

Drill 2 1 4 inch holes in the studs and floor plate as needed to route a 2 inch drainpipe.

Kitchen sink drain through floor or wall. When you are installing a kitchen sink drain pipe along with the drain attachment on the floor you will need to be able to fit the drain and the parts together. You can then measure where the drain pipe will be. The horizontal pipes connect to the trap with a double wye tee which has two y shaped inlets and one outlet. My original kitchen had a 2 bowl sink and my new kitchen will have a 30 wide sink base with a 27 wide single bowl.

Sink drains that exit through the wall behind the sink require a p trap and sink drains that exit through the floor beneath the sink require an s trap. Keep in mind that the drain must maintain a minimum down slope of 1 4 inch per foot toward the sewer. Drains that are in the floor are quite common. Start by figuring out the exact location and height of the new sink you want to install.

Sinks should be installed approximately 31 above the floor. If your sink drain is located in the floor all that you need to do is reposition the p trap slightly. There also will be a garbage disposal with the new single bowl. Your p trap the u or j shaped pipe is connected to the drain tailpiece.

A single trap can service more than one sink but adjacent drains cannot be farther apart than 30 inches. In most communities a permit from the local. There should be at least 21 of free space in front of the sink. That drain tailpiece runs from the sink to the drain.

If you re planning to replace a standard sink with a deep basin sink you may need to lower the drain fitting in the wall to match the lower height of the new sink drain. It is my intention to remove all the in wall copper pipe and replace it with abs and somewhere in my basement i ll switch from abs back to the original copper with. Rough in sink drain through floor. Before you buy a new kitchen sink it is a good idea to check the height of the trap arm on the old sink.

How to install drain lines through the floor. Horizontal drain pipes connecting the sink drains to the trap must have a minimum slope of 1 4 inch per foot toward the trap. Both traps serve to hold water in a u. In order to do this you will have to attach the drain to the s trap below your sink where it falls into the floor including applying putty and putting drains into the base of the sink adding the tailpiece and then fitting the t.