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-trapP-trapIn plumbing, a trap is a U-shaped portion of pipe designed to trap liquid or gas to prevent unwanted flow; most notably sewer gases from entering buildings while allowing waste materials to pass through. ... In domestic applications, traps are typically U, S, Q, or J-shaped pipe located below or within a plumbing fixture.https://en.wikipedia.org › wiki › Trap_(plumbing)Trap (plumbing) - Wikipedia assembly and all the horizontal extensions, are either 1 1/4 or 1 1/2 inches in diameter.
Are all sink pipes the same size?
All kitchen sinks today have the same diameter drain, which is 3 1/2 inches and is larger than a bathroom drain which measures in at 1 1/4 inches. It is the same size as a typical standard shower drain, however. When installing a new drain into the sink, you have no need to shop for certain diameter drains.Sep 26, 2017
What type of pipe is used for bathroom sink drain?
PVC piping
What size are most bathroom sink drains?
While a bathroom sink's design and overall size may vary from one model to the next, the drain holes are fairly standard, 1.25 inches being a general standard, with widths of 1.5 inches and 1.625 inches also common. The size of the hole helps determine which size drain is needed for that particular sink.
What is the standard size pipe for a bathroom sink?
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.Jul 26, 2021
How do you measure a bathroom 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.Sep 26, 2017
Are all bathroom sink pipes the same size?
While a bathroom sink's design and overall size may vary from one model to the next, the drain holes are fairly standard, 1.25 inches being a general standard, with widths of 1.5 inches and 1.625 inches also common. The size of the hole helps determine which size drain is needed for that particular sink.
Are drain pipes standard size?
There is a pipe size. Most modern drains have a 1 1/2 inch outlet, but older sinks may have drains that connect to a 1 1/2 inch tailpiece. All the pipes that connect to the tailpiece are either 1 1/2 or 1 1/2 inches in diameter.
What size plumbing do I need for bathroom?
Bathrooms are usually supplied with 1/2-inch pipe. For maximum water pressure, however, run 3/4-inch pipe to the bathroom and use 1/2-inch for short runs only.Oct 23, 2017