Dear Ed: I have a very old shower stall. It has the original single-handle mixing valve that constantly leaks. I have not been able to find a plumber that wants to fix this valve. The last plumber who ...

Q. I have a very old shower stall. It has the original single-handle mixing valve that constantly leaks. I have not been able to find a plumber that wants to fix this valve. The last plumber who ...

Dear Ed: My old shower mixing valve and shower stall has reached the end. I'll need to install a totally new shower stall complete with new plumbing and fixtures. My old valve did both water flow and ...