What Size P Trap For Bathroom Sink

Sink tailpiece and to 1 1 2 in.

What size p trap for bathroom sink. Every state may have different code on plumbing and it may affect the required size of the bathroom sink pipe. However the universal plumbing code stipulates. The pvc p trap comes in many sizes and a few different styles.

Using a pipe wrench unscrew the p trap s connector and twist the p trap until you can slip a measuring tape across its opening. Glue a 2 inch by 1 1 2 inch p trap adapter to the end of the stub out. Use the flexible hose included for an offset wall drainpipe or the long wall tube for a centered wall drainpipe.

Traps come in 1 1 4 inch standard bathroom sink or 1 1 2 inch standard kitchen sink inside diameter sizes. However most of the bathroom sinks use 1 inch drain pipe. Most codes allow double bowl kitchen sinks triple compartment sinks and laundry sinks to be furnished with one p trap connected by a continuous waste.

Most states require the washing machine or the washing machine p trap to be at least 2 inches in size for proper draining. Then make a note of this measurement. Each compartment cannot be spaced more than 30 inches apart center to center of the drains.

Install the sink and attach the drain assembly which usually screws into the drain hole. This size is precisely the diameter of the pipe instead of the length. A p trap whether installed in your kitchen or in your bathroom is there to keep sewer gases from backing up out of your toilet sink or bathtub.

First you have to cut 2 5 2 0 inches from the end of the tailpiece. Connects to a 1 1 2 in. Check out the diagram in figure 4.