Kitchen Sink P Trap Dimensions

Standard sink drain sizes include 3 1 2 inches kitchen sink 1 1 4 inches bathroom sink and 2 inches bar sink.

Kitchen sink p trap dimensions. The p trap is the first thing you see when you look in the sink cabinet. Traps are made from abs black pvc white or brass either chrome plated or natural colored. It s the pipe shaped like an inverted p and it s a necessary component for all plumbing fixtures in the drainage system. The p trap is an important component of sink plumbing that prevents toxic sewer gases from leaking into the home.

It contains a 2 to 4 inch pool of water to form a trap seal that keeps sewer gases inside the sewer pipes. Pretty sure both sinks use 1 1 2 pipe too. Seems that a deep seal lower p trap and regular upper p traps were doing the job. When replacing a p trap you should use the same type of trap you remove.

Traps come in 1 1 4 inch standard bathroom sink or 1 1 2 inch standard kitchen sink inside diameter sizes. 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. Use proper size to keep sink free flowing.