: I have an old single-handle shower valve that I want to replace with a modern one. How difficult is this project? A: This project is very challenging, and I would make sure your skills are such that ...

Dear Melissa: This is a very common problem when your bathtub has the old two-handle (hot and cold) shower valve. When a toilet is flushed or the cold water faucet in the kitchen is opened, the ...

Shower valves with two handles aren’t strictly illegal. They are, however, prohibited in new construction and remodeling in ...