between 18 and 20 inches
.
Also, what is the rough in height for a vanity drain?
Sink drain lines are typically between 18 and 20 inches above the finished floor. Water supply lines are usually just a couple of inches higher, between 20 and 22 inches from the floor, and installed one to each side of the drain line. These heights are compatible with most common vanity sinks.
Subsequently, question is, what is the rough in for a standard tub? There is no standard rough-in for a tub, since you have access in the crawl space your best bet is to run a pipe near where the tub will be and finish the install after you put the tub in place, 18in. is plenty of room to work on the connection.
Accordingly, how far should sink drain be from wall?
Rough-In Dimension Terminology
| Toilet | Sink |
| Supply Line (Horizontal) | 6" max from center | 4" to left and right of center |
| Discharge/Drain Hole from Back Wall | 12 1/2" | N/A |
| Discharge/Drain Hole (Vertical) | 0" | 16" to 20" |
| Fixture (Side to Side Buffer) | 15" to 18" min | 15" to 20" min |
How high should sink drain be from floor?
Average Height of a Drain The height of a sink from the floor is usually between 30 and 45 inches.
Related Question Answers
Can a shower and toilet share the same drain?
Your shower drain can connect to the toilet drain, but it cannot connect to the toilet trap arm. So if your "main drain connection" is also the vent for the toilet, the line from the closet flange to the main drain connection is trap arm and the answer is no, the shower cannot tie in here.How far can a sink drain be from the vent?
Install the vent between the sink P-trap and the point where the waste line leading from the trap drops to the main sewer. If the waste line has a diameter of 1 1/4 inches, the vent can be no farther than 2 1/2 feet from the trap. If the waste line is 1 1/2 inches, this critical distance is 3 1/2 feet.How far apart should hot and cold water pipes be?
between 2-6 inches
Can two sinks share a trap?
Speaking from personal experience, only use one trap in a dual sink bathroom. With two traps, you can get air pockets blocking one or the other's drain. Normally, these double tees are used for adjoining bathrooms, so you can have a sink on each side of the wall, and share the same stack.What are rough in dimensions?
The rough-in measurement is the distance from the center of the outlet to the wall facing the back of the toilet. The standard is a 12” rough-in, but you will find alternatives, and in those cases, you are likely facing a 10” or 14” rough-in measurement.What height is a bathroom basin?
Between 800-850mm is generally accepted as a comfortable height for a bathroom basin. If you are particularly tall, though, you may like to install your basin a little higher.How high should the bathroom sink be?
Standard bathroom sink heights range from 29 inches to as much as 36 inches high, depending upon personal preference and the type of sink. For example, pedestal sinks are built between 29 and 33 inches high, while bathroom vanity cabinets with set-in sinks range from 30 to 36 inches in height.What size is a kitchen sink drain pipe?
Kitchen drain pipes have a minimum size of 1 1/2 inches but are sometimes installed with pipe sizes of 2 inches. This size is the diameter of the pipe. The size of the drain pipes for kitchen sinks, and all fixtures inside a house, are governed by local or state plumbing codes.How long is rough in plumbing?
Plumbing rough-in should take between 3 – 5 days, barring any problems.How do you vent a bathroom sink?
Vanity Venting In new construction, the simplest way to vent a bathroom group is usually to install a single vertical vent pipe behind the bathroom sink. This works as long as all the plumbing fixtures connect to the main drain line in the floor within 6 to 10 lineal feet of the sink drain.Can a sink drain go straight down?
In a sense, all drains go through the floor. You cannot have a code-approved sink drain going down, unless you have a vent going up.What is the rough in height for a shower valve?
In a shower only unit, the faucet is placed higher at 48 inches off the floor. The shower head normally is located 72 to 80 inches above the finished floor. If the homeowner prefers an adjustment in heights, then the shower head can be roughed-in higher or lower.What is the average height of a bathtub?
Height. The bathtub will be somewhere between 14 inches and 17 inches in height. (See Reference 2, page 81) If you are going to design this bathroom to provide for easy transfer of a person with a physical disability, consider creating a walk-in shower with a ledge over which a wheelchair can roll instead of a tub.How deep is a soaking tub?
Standard tub depths allow for approximately 12” of water; soaking tubs should offer at least 14” or more so that the water covers the majority of the bather's body. To determine water depth, measure the tub from the bottom (interior) to the overflow drain.What is the smallest bathtub you can buy?
The shortest freestanding tub is a mere 48 inches, or four feet long, and can work well for children's bathrooms or even for adults of average height.What is the height of a tub valve?
“The tub spout will generally be located 4 inches above the rim of the tub. In a shower only unit, the faucet is placed higher at 48 inches off the floor. The shower head normally is located 72 to 80 inches above the finished floor.How much space is needed for a freestanding tub?
As a rule of thumb, the minimum end-to-end (length) additional space you'll need for a clawfoot, pedestal, or freestanding tub is 6 inches. Any less and the tub will look cramped in the space.Can a shower and sink share a drain?
Yes, you can vent the sink drain into the shower drain. 2. Usually, they can share the same vent if the vent is within 5 feet of both fixtures. 
