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The standard size for a bathroom sink drain pipe is 1.25 inches in diameter. However, this is determined based on your state’s housing code, and you may find that they suggest 1.5 inches or 1.65 inches in diameter, and your home has been built with this plumbing standard.
What size pipe is used for bathroom sink drain?
The piping should be the same size as the drain hole: for a 1 1/2-inch drain hole, use a 1 1/2-inch pipe. All bathroom sink piping is readily available at local hardware and home improvement stores. It’s best to stick to one size for the sink piping, making sure it will all match.
What size pipe do I need for a sink drain?
Some older sinks may have drains that connect to a 1 1/4-inch tailpiece, but most modern drains have a 1 1/2-inch outlet. All the pipes that connect to the tailpiece, including the P-trap assembly and all the horizontal extensions, are either 1 1/4 or 1 1/2 inches in diameter.
What is the standard pipe size for a bathroom vanity?
The 1½-inch size is used to capture water that might flow out of a kitchen sink, a bathroom vanity or a tub. The two-inch pipe is commonly used to drain a shower stall or washing machine, and it may be used as a vertical stack for a kitchen sink. A three-inch pipe is what’s used in homes to pipe toilets.
What size should drain pipes be?
A standard rule of thumb is that sewer pipes leading away from a toilet are 3 inches in diameter. Sewer drains from laundry sinks or washing machines are 2 inches in diameter and those from sinks in the kitchen, bathroom or powder room generally use a 1.5-inch pipe.
What size is a bathroom sink trap?
Traps come in 1-1/4 inch (standard bathroom sink) or 1-1/2 inch (standard kitchen sink) inside diameter sizes. Be sure to check so you get the right size replacement at your local store.
What size are sink traps?
Generally, the following types of appliances use a standard size waste trap and waste pipework: Wash hand basins: 32mm (1 ¼ inch). Sinks: 38mm (1 ½ inch). Urinals: 38mm (1 ½ inch), or 50mm (2 inch).
How do I know what size P-trap I need?
If you have 2.5 inches from the bottom of the tailpiece to shelf and 0.5 inches from the drain to shelf you can use CP-trap. First you have to cut 2.5-2.0 inches from the end of the tailpiece. The height of the p-trap is 4.5 inches 5-2.5=2.5 inches or 4.5-2.5=2.0 inches.
Are all pop up drains the same size?
Most drain openings are 1 1/4 inches, although 1 1/2 inches and 1 5/8 inches are also common sizes.
Does a bathroom sink need a trap?
Beneath a kitchen or bathroom sink drain is a pipe with a sharp bend in it. You must have a p-trap installed under your sink if you want your home to pass inspection in many places, where the building code requires them. Even if they are not required, you should understand the practical purpose for installing a p-trap.
Are bottle traps standard size?
Standard bottle trap. 1.1/4″/32mm with 3″/75mm seal.
What is the minimum trap seal depth?
1002.4 Trap Seals Each fixture trap shall have a liquid seal of not less than 2 inches (51 mm) and not more than 4 inches (102 mm), or deeper for special designs relating to accessible fixtures.
How do you measure a sink pipe?
Measure from the wall where the house drain pipe is to the nut securing the J trap to the sink drain pipe with a tape measure. Add two inches to the measurement and write it down on a piece of paper. This is the measurement for the rear sink drain pipe.
What is the height of a 2 inch p-trap?
The trap is usually attached to the end of the tailpiece, and tailpieces are typically between 6 – 8 inches long (though I’ve seen up to 12). So the “standard” height of a trap would be, 6 – 8″ below the fixture.
Are all bathroom sink wastes the same size?
First and foremost wastes are all the same size 1 1/4″ or 32mm. Sometimes people get confused and ask why is there 2 sizes of basin wastes? the simple answer is that they are 1¼” BSP (32mm) and bath/sink wastes are 1½” BSP (40mm).
Are all bathroom sink plugs the same size?
For bathroom vanities the standard size is 1 1/2 inch. Manufacturers have also taken into account the old days where sizes were different again, so sink plugs are still available in: 1 inch, 1 1/4 inch, 1 3/8 inch, 1 5/8 inch, 1 7/8 inch, 2 inch, 2 1/4 inch, 2 3/8 inch and 2 1/2 inch sizes.
Can you use flexible pipe for sink drain?
Flexible drain parts can be used to quickly connect offset sink drains. It is possible to cut out the pipes under the sink and install a new sink drain using a 45- or a 90-degree bend to make up the difference, but it may not be necessary for a minor misalignment.
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.
