Bathroom Sink P Trap Dimensions

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

Bathroom sink p trap dimensions.

However the universal plumbing code stipulates. According to the international residential code the maximum vertical distance between the sink drain and the entrance to the p trap is 24 inches. In p trap with threaded adapter 1 1 2 in. That way bathroom faucet manufacturers can provide the right sized drain with their faucet.

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. Options include pvc or abs plastic adapter and true blue premium washers for superior sealing. Most bathroom sink drain openings are 1 1 4 inches although 1 1 2 inches and 1 5 8 inches are also common sizes.

This size is actually half as big as one on your kitchen sink drain. You will need a 1 5 trap adapter and a 1 5 plastic tubing p trap sometimes called trim trap. Traps come in 1 1 4 inch standard bathroom sink or 1 1 2 inch standard kitchen sink inside diameter sizes. 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.

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. Then make a note of this measurement. 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. It is actually an appropriate size for bathroom sink considering that the duty is smaller as well.

Traps are made from abs black pvc white or brass either chrome plated or natural colored. Fig 53c you can eliminate the s trap if you have the space fig 53c. When you visit a real hardware store or plumbing section the shop assistant will mostly recommend you to use the same size. Here s how to connect the plumbing under your bathroom sink.

We recommend using the flex p trap 1 1 4 kit. So it makes sense to standardize the drain size. Trim trap kits come with two different sizes of washers. After installing new bathroom faucets the drain is usually replaced.

However most of the bathroom sinks use 1 inch drain pipe.