What is the drain pipe called that attaches to a sink basin?

Tailpiece
Tailpiece: Often referred to as the drain tailpiece, this is the section of piping that connects to the drain fitting. It carries water away from the sink.

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What kind of drain pipe do I need for double basin sink?

The continuous waste pipe is used with double-basin sinks to connect the two drain openings together before they feed into the drain trap. On sinks where one basin holds a garbage disposal, the arm of the continuous waste pipe connects to the outlet on the disposal.

Where does the waste pipe go in a kitchen sink?

The drain tailpiece is a straight pipe that connects to the sink strainer and runs down to a tee fitting (below the sink basin without the disposer). The continuous waste pipe connects the disposal’s drain to the tee fitting.

When do you change out the drain pipes under a kitchen sink?

There aren’t many reasons for changing out the drain pipes under a kitchen sink, but it’s not uncommon to replace the drain assembly during a kitchen renovation when the sink is being replaced. The steps for installing the sink drain will depend on how different the new sink is from the old one, as well as what other components are being installed.

How does a sink drain hook up to the wall?

A sink basin drains into a waste assembly at the bottom of the sink, and the waste assembly then connects to a P trap. The P trap is curved into a loop, or J bend, that retains a small amount of water as a seal. The P trap connects to a horizontal pipe that connects to the drain pipe in the wall.

How is a sink P trap connected to a wall?

The sink’s P trap will be connected to a drain in a wall by a short horizontal drain pipe. It is common for these pipes to develop holes and leak, particularly if the pipe is made of copper or galvanized steel.

Can a PVC pipe be connected to a sink?

If the sink drain is exposed — as with a wall hung or pedestal sink — chrome colored PVC can be more attractive. The sink’s P trap will be connected to a drain in a wall by a short horizontal drain pipe. It is common for these pipes to develop holes and leak, particularly if the pipe is made of copper or galvanized steel.