The standard distance between a kitchen sink drain and the floor is 18 – 20 inches. This is the best distance for proper drainage. The rough-in height can still be adjusted during the installation phase.

How high should drain be under kitchen sink?

The standard height of a kitchen sink drain from the floor is between 20 and 24 inches. This varies based on the vanity, sink, and trap.

How far below the bottom of a sink should the drain pipe be?





The most common kitchen counter height is 36 inches, but it can vary from 30 to 45 inches. The standard kitchen sink is 8 inches deep, which means that the normal distance between a kitchen sink drain and the floor is 28 inches.

How high should kitchen sink supply lines be?

Supply lines are usually placed high enough from the floor to accommodate a standard sink faucet or toilet. For example, this means that most water supply lines will be installed around sixteen to twenty-one inches from the ground for a sink faucet.

How do you rough in plumb a kitchen sink?

Quote from the video:
Quote from Youtube video: And for today's plumbing adventure cb2 is gonna rough in a kitchen sink stay tuned and we'll see you inside me too I just explained them how we measure quarter inch per foot.

How high should sink water lines be?

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.

How high off the floor should a water supply line be?





Supply line (height): Ideally, the toilet’s water supply line enters the room at 8 1/4 inches above the floor. More broadly, this cold-water-only pipe creates one hole between 5 and 10 inches above the floor.

Can a P-trap be higher than the drain pipe?

You attach the p-trap directly to the drainage and manuever the p-traps exits into you existing drain. It is not ideal to have the p-trap below the the exit drain because water gravity has to force the water out instead of it flowing downwards naturally.

How far does the P-trap need to be below drain?

Maximum Distance



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 a sink drain?

Quote from the video:
Quote from Youtube video: So I don't have a drain line here so if you look there's no place for the water to go. So I gotta fix that real quick because I'm ready to put the toilet and the sink in.

How do you plumb under a sink?



Quote from the video:
Quote from Youtube video: Into place take a nut with the threads facing down slide it up the tailpiece on the sink drain while holding the nut into place choose the proper size washer.

Where should drain be in kitchen sink?

Few know, that moving the drain just inches to the right or left of center may provide benefits greater than keeping with the classic center design. Here are three key reasons you can appreciate having an off-center drain in any Havens copper or stainless steel kitchen sinks.

Does it matter where the drain is on a kitchen sink?

Dishes can easily block a centered drain, causing water and food debris to build up. Centered drains are also not ideal in small kitchens. The central placement of the plumbing below the sink wastes valuable storage space.

Can a sink drain go sideways?



This shouldn’t be an issue. With the standard P-trap, you can probably turn it so that it goes toward the side instead of towards the wall to get your 9″. The important rule of drainage is that it always needs to slope down (other than the traps at each fixture) and that you can’t get too far from the vent.

Does kitchen sink have to be centered under window?

Your sink should not necessarily be centered under the window. It can function perfectly well regardless of where it is, as long as there is a good source of water. In modern interior design, though, placing it in a kitchen island or below the cabinet is normal.

What if new sink drain doesn’t line up with existing pipes?

In general, if the P-trap doesn’t line up with the drain, you can adjust the length and height of your drainpipes by cutting them or simply slipping them in and out of their fittings.

Can a P-trap be higher than the drain pipe?

You attach the p-trap directly to the drainage and manuever the p-traps exits into you existing drain. It is not ideal to have the p-trap below the the exit drain because water gravity has to force the water out instead of it flowing downwards naturally.

How far can P-trap be from drain?



Maximum Distance



According to the International Residential Code, the maximum vertical distance between the sink drain and the entrance to the p-trap is 24 inches.