We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Often ignored during regular cleaning, the sink overflow hole is typically located in ...

As its name suggests, a sink’s overflow hole gives water a place to go in the event that the drain is closed or blocked, and the faucet is left on. While the sink’s drain is located at the bottom of ...

It has two surprisingly important jobs.

Q You forgot something when you were doing your plumbing work in a recent column. There is one more thing that can cause vanity sink odor -- the overflow drain. I'm an ex-plumber, and when I moved to ...

Q: I have noticed that kitchen sinks don't have overflow protection like bathroom sinks. When I asked my plumber about this he said it was not necessary but could not tell me why. I think it would be ...