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 ...

Q: I’m planning to replace my bathroom sink and vanity, and have run into an odd snag. Almost none of the sinks I’ve seen have an overflow tube. When I’ve asked about this, I’ve gotten almost ...

If the overflow hole worked better, it would increase the risks of taps running forever, which would waste water. The overflow hole therefore acts as a cushion for some overflow, but not for the ...

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 ...