Standard Kitchen Sink Drain Parts Diagram: 2026 Guide
A standard kitchen sink drain assembly uses 1.5-inch PVC or tubular brass piping. Water flows from the strainer through the vertical tailpiece, enters the P-trap—which maintains a 2 to 4-inch water seal blocking sewer gas—and exits into the wall drain tee connected to the vertical vent pipe. 📌 Key Takeaways Standard drain plumbing uses 1-1/2…
