Recommendation Sink Pipe Diameter

This chart includes sizes from 12 to 10.

Sink pipe diameter. Standard Sink Supply Line Size The copper galvanized steel or PEX pipes that constitute a residential water supply system are of two main diameters. After installing new bathroom faucets the drain is usually replaced. For instance you might assume a pipe with OD outer diameter of 1660 is a 1-12 size pipe when in fact it is 1-14 size.

Then again you will also find sink pipes of diameter 15 inches. Wrap a string around the pipe Mark the point where the string touches together Use a ruler or measuring tape to find the length between the tip of the string and the mark you made circumference. The drain has a threaded pipe sticking out below the lock nut that secures the drain to the sink basin itself.

The standard height for a sink is about 20 above the floor for instance. A kitchen trap arm can be 15 in diameter. If the waste line diameter is 1 ¼ inch then the vent should not be more than 2 ½ feet far from the trap.

Up to 4 cash back Measure the Outside Diameter OD of your pipe or pipe fitting. The distance is 3 feet if the waste line is 1 ½ inch. The main pipes which are the ones that come off the main water supply and the water heater are 34 inches in diameter.

The difference between the two means they arent directly compatible. Signature Hardware notes that most bathroom sink drain openings are 1 14 inches although 1 12 inches and 1 58 inches are also common sizes. Pipe Size Some older sinks may have drains that connect to a 1 14-inch tailpiece but most modern drains have a 1 12-inch outlet.

Thats why using a chart and understanding how PVC pipe sizes are measured is important. A 40mm push-fit pipe has a 40-41mm external diameter but a 40mm solvent pipe has a 43mm external diameter. Use string to measure if you dont have measuring tape.