Bathroom Sink Drain With Overflow
A bathroom sink drain with overflow is a type of drain that is installed in a bathroom sink. It is designed to prevent water from overflowing the sink and flooding the bathroom. The drain is typically made of metal or plastic and has a small hole in the center. Water flows through the hole and into the drainpipe. The overflow hole is located near the top of the drain and allows water to escape if the sink becomes too full.
There are two main types of bathroom sink drains with overflow: pop-up drains and lift-and-turn drains. Pop-up drains are the most common type of drain. They have a stopper that is attached to a rod. When the stopper is pushed down, it closes the drain hole. When the stopper is pulled up, the drain hole opens. Lift-and-turn drains have a stopper that is attached to a lever. When the lever is lifted, the stopper closes the drain hole. When the lever is turned, the stopper opens the drain hole.
Bathroom sink drains with overflow are required by building codes in many areas. They are an important safety feature that can help to prevent flooding. If you are installing a new bathroom sink, be sure to choose a drain with overflow.
How to Install a Bathroom Sink Drain With Overflow
Installing a bathroom sink drain with overflow is a relatively easy task. Here are the steps:
- Turn off the water supply to the sink.
- Remove the old drain assembly.
- Clean the drain hole and the surrounding area.
- Apply a bead of plumber's putty around the base of the new drain assembly.
- Insert the new drain assembly into the drain hole.
- Tighten the drain assembly by turning the locknut.
- Attach the overflow tube to the overflow hole.
- Turn on the water supply and check for leaks.
Troubleshooting Bathroom Sink Drain With Overflow
If you are having problems with your bathroom sink drain with overflow, there are a few things you can check:
- Make sure that the drain hole is clear of debris.
- Make sure that the stopper is properly seated.
- Make sure that the overflow tube is properly attached.
- If you have a pop-up drain, make sure that the rod is properly connected to the stopper.

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