Bathroom Sink P Trap Dimensions

We recommend using the flex p trap 1 1 4 kit.

Bathroom sink p trap dimensions. Trim trap kits come with two different sizes of washers. You ll use the 1 5 x 1 25 slip joint washer to connect the p trap to the lav s 1 25 waste outlet. Most bathroom sink drain openings are 1 1 4 inches although 1 1 2 inches and 1 5 8 inches are also common sizes. So it makes sense to standardize the drain size.

The drain line connects to the sink via a p trap a curved piece that prevents sewer gas from entering the bathroom and a tailpiece a straight piece that extends from the sink drain to the trap in most cases a standard tailpiece is the right length to reach from the sink to the trap but in the case of a high drain line or an unusually low sink the tailpiece can be cut to fit. This size is actually half as big as one on your kitchen sink drain. Traps come in 1 1 4 inch standard bathroom sink or 1 1 2 inch standard kitchen sink inside diameter sizes. According to the international residential code the maximum vertical distance between the sink drain and the entrance to the p trap is 24 inches.

Fig 53c you can eliminate the s trap if you have the space fig 53c. However most of the bathroom sinks use 1 inch drain pipe. 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. After installing new bathroom faucets the drain is usually replaced.

Options include pvc or abs plastic adapter and true blue premium washers for superior sealing. This size is precisely the diameter of the pipe instead of the length. It is actually an appropriate size for bathroom sink considering that the duty is smaller as well. In p trap with threaded adapter is designed for use in tubular drain applications.

Be sure to check so you get the right size replacement at your local store. 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. When you visit a real hardware store or plumbing section the shop assistant will mostly recommend you to use the same size. However the universal plumbing code stipulates.

Here s how to connect the plumbing under your bathroom sink. For g 8 inches minimum e 5 g e 3 inches the length of the flex p trap will be 12 inches and the water seal s 3 5 inches. In p trap with threaded adapter 1 1 2 in. You will need a 1 5 trap adapter and a 1 5 plastic tubing p trap sometimes called trim trap.

If you add 1 inch to the p trap s length the water seal will increase with 0 5 inches.