Standard Kitchen Sink Drain Pipe Size

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Standard kitchen sink drain pipe size.

It provides the right amount of flow to drain a kitchen sink during heavy use. Drains connect to either a 1 1 4 inch or 1 1 2 inch tail pipe. The diameter of the plumbing from the main sink is 1 1 2 which then connects to 2 waste pipe. Snappytrap snappy trap universal drain kit for bathroom sinks.

A standard rule of thumb is that sewer pipes leading away from a toilet are 3 inches in diameter. 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. These drains like bathroom and kitchen drains use a p trap which is a j shaped pipe that connects to the main drain line. While the standard kitchen sink size measures 22 by 30 inches length by width sink sizes generally depend on the interior width of the sink s cabinet.

Since all kitchens use this size of pipe it is best to stick with it during any repair. This pipe is the standard size for all kitchen sinks. The main sewer pipe leading to the septic tank or public sewer is usually 4 inches. When installing a new kitchen sink drain or repairing an old leaking one you need a particular size drainpipe.

The inlet must match the supply pipe and it can be a 1 2 inch female pipe thread fpt connector for galvanized pipes a 1 2 inch compression or sweat connector for. All the pipes that connect to the tailpiece including the p trap assembly. This size is precisely the diameter of the pipe instead of the length. Sewer drains from laundry sinks or washing machines are 2 inches in diameter and those from sinks in the kitchen bathroom or powder room generally use a 1 5 inch pipe.

Compare the fixture to the minimum sizes of drainage pipe by fixture table. A 2 inch sink strainer fits the standard bar sink drain. The standard size and setting. Item 2564297 model dk 105 lw.

On an average cabinets measure 36 to 42 inches high 24 inches deep and 25 1 4 to 26 inches wide. For instance the minimum pipe diameter for a washing machine drain is pipe with a 1 1 2 inch diameter.