The water supply line runs out of the wall into a hole in the back of the vanity, typically placed at a height of 22 to 24 inches from the finish floor. The sink drain is then situated just 4 inches inward from the water supply line.
How far below drain should P trap be?
However, the Universal Plumbing Code stipulates that the total developed length of all tailpieces, arms and fittings connecting the drain to the p-trap must be 24 inches or less.
How do you rough-in plumbing for a sink?
- Supply line (height): Two holes; vertically, both are about 2 to 3 inches above the drain pipe.
- Supply lines (horizontal): Two holes; one hole is 4 inches to the right of centerline; other is 4 inches to left of centerline.
What is the standard height to rough a sink drain?
The average rough-in height for kitchen sink drains varies between 20 to 24 inches from the floor. The preferred height is dependent on the counter and trap.Sep 19, 2021