Standard Kitchen Sink Drain Pipe Size

Since all kitchens use this size of pipe it is best to stick with it during any repair.

Standard kitchen sink drain pipe size.

When installing a new kitchen sink drain or repairing an old leaking one you need a particular size drainpipe. It provides the right amount of flow to drain a kitchen sink during heavy use. This pipe is the standard size for all kitchen sinks. These drains like bathroom and kitchen drains use a p trap which is a j shaped pipe that connects to the main drain line.

Compare the fixture to the minimum sizes of drainage pipe by fixture table. 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. The 1 2 inch supply pipes that come to the sink each terminate with a shutoff valve and this valve is one of the two factors that determine the connector size on the faucet hose. This size is precisely the diameter of the pipe instead of the length.

A standard rule of thumb is that sewer pipes leading away from a toilet are 3 inches in diameter. For instance the minimum pipe diameter for a washing machine drain is pipe with a 1 1 2 inch diameter. Item 2564297 model dk 105 lw. 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.

The standard size and setting. 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. The diameter of the plumbing from the main sink is 1 1 2 which then connects to 2 waste pipe. A 2 inch sink strainer fits the standard bar sink drain.

All the pipes that connect to the tailpiece including the p trap assembly. Drains connect to either a 1 1 4 inch or 1 1 2 inch tail pipe. The main sewer pipe leading to the septic tank or public sewer is usually 4 inches. However most of the bathroom sinks use 1 inch drain pipe.

On an average cabinets measure 36 to 42 inches high 24 inches deep and 25 1 4 to 26 inches wide. 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.