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What are the rough in measurements for a bathtub drain?
You’ll rough in the tub drain with 1 1/2-inch pipe with male threads that extend 1/2-inch above the level of the floor. The drain will also require a P-trap and must be vented; specific requirements for the trap, drain line and vent will vary by local building codes.
Do you need a trap on a bathtub drain?
Yes, shower and tub drains require a trap in the plumbing to prevent harmful sewer gases from coming into the home.7 days ago.
Does a bathtub need a vent?
Whether you’re putting in a tub, toilet, sink, or floor drain, they all need a plumbing vent on the drain to make it work properly. The fixture without a vent may drain slowly. The drain will likely make gurgling noises. The water in the trap could siphon out, resulting in a potent sewer smell.
How far does a tub drain need to be from the wall?
You will need to cut a hole in the floor at the drain end of the tub to position the tub drain and install it. The hole should be at least 9 inches wide and 12 inches from the wall.
When installing a drain line how many inches should the drain line be installed off the floor?
Before installing a new sink in your bathroom vanity, mark off the water and drain lines according to industry standards. 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.
Are all bathtub drains in the same spot?
All bathtubs drain in basically the same way, with a drain assembly located on the bottom of the tub linked to an overflow that may or may not have a toggle switch. When the plunger or stopper is opened, water drains out of the bathtub, through the drain assembly, down a tailpiece and into the trap.
Why is s trap illegal?
The “S” trap is prohibited under the Uniform Plumbing Code throughout the United States. This is because the “S” trap will siphon or suck water out from the trap which will end up releasing methane (sewer) gases into the home.
How far can p-trap be from shower drain?
lazypup. Under both the IRC & UPC the maximum length of the tailpiece is 24″ vertical from the finished edge of the drain opening to the standing water level in the trap except washer standpipes.
What kind of trap do you use for a bathtub?
The proper size for both a bathtub drain and trap is 1 1/2 inches in diameter, regardless of the bathtub size. The type of trap used on a tub drain is a p-trap. Because they are the same size, the trap will glue directly onto the PVC drain pipe without the use of adaptors or fittings.
How does bathtub plumbing work?
The bathtub works in a way that the water comes to the tub through the faucet and exits through the drain. Each bathtub consists of two main parts; the water supply lines and the drain. The valve is connected to water (hot or cold) supply lines, while the drain is connected to the home’s drain line.
Can a shower and tub share the same vent?
The tub and shower can share a vent, but not the way you show it. In fact the pipe to the tub is already too far from the vent under most codes.
Does a free standing tub need a vent?
You need a vent before it goes vertical after the trap and can t use 2 traps.
Where should a plumbing vent be located?
Vent pipes must be installed so they stay dry. This means that they should emerge from the top of the drainpipe, either straight vertically or at no less than a 45-degree angle from horizontal, so that water cannot back up into them.
Does a shower trap need AU Bend?
Newcomers to bathroom plumbing sometimes ask, ‘why do I need a U bend? The simple answer is that the water trapped in the U bend acts as a barrier to the foul smells that otherwise rise from the sewer or other drainage pipework. This is why it is an absolute requirement in the building regulations.
Which is better S trap or P trap?
P-traps are generally considered by most to be more effective and consistent in maintaining water trap compared to S-traps. Their design makes them less vulnerable to drying out and losing seal: a properly installed P-trap will never lose its water seal.
Where is a tub drain located?
The drain is located in the center of the tub.
Are tub drains universal?
Bathtub drains are 1 1/2 inches wide and fit all standard bathtubs ranging from 14 to 26 inches deep.
What is the rough opening for a standard tub?
Hope this helps! Standard rough opening for a 60″ tub is always 60-1/4″. Joe Carola, Rough openings are not always framed in 1/4″ over the size of the fixture.
Can a shower have a 1.5 inch drain?
Current plumbing codes (IPC as well as MA Plumbing Code 248 CMR 10 for instance) need 1.5 inches to drain for a tub with a shower. The tub can drain at leisure and the shower function when in utilize, with flow-limiting showerheads, fall within the flow rate that a 1.5” drain can handle.
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 vanity drain?
The rough-in height for a sink drain is 20”-24” and depends on the counter, vanity, or trap. Bathroom sinks can have an 18” rough-in but should not exceed 24”. You can adjust sink drain height and depth during the installation process.
Can a tub drain be moved?
Moving your bathtub naturally requires that you redo the plumbing for the drain. Ideally, the drain lines beneath the bathroom will be accessible. This makes it much easier to perform the steps for how to move a bathtub drain. Otherwise, you’ll need to open up a floor or ceiling to work on the plumbing.
